MHC-DX20Brazilian ModelMANUAL DE SERVIÇO
SISTEMA COMPACTO DE SOM
Modelo que usa mecanismo similar MHC-DX30
Seção Tipo do Mecanismo do CD CDM58B-K6BD38
CD Base da Unidade BU-K6BD38
Nome da Unidade Óptica KSM-213DCP
Seção Modelo que usa mecanismo similiar Novo
Toca-Fitas
ESPECIFICAÇÕES TÉCNICAS - VER PÁGINA SEGUINTE
Foto: MHC-DX20
Versão 1.0 02.2002
Especificações TécnicasAmplificadorMHC-DX20Potência de Saída RMS 60 + 60 watts
(6 ohms a 1kHz, 10%THD)Potência de Saída PMPO 1.300WMHC-DX20Potência de Saída RMS 60 + 60 watts
(6 ohms a 1kHz, 10%THD)Potência de Saída PMPO 1.300WMHC-DX10BPotência de Saída RMS 50 + 50 watts
(6 ohms a 1kHz, 10%THD)Potência de Saída PMPO 1.100WEntradasMD/VIDEO (AUDIO) IN (tomadas RCA):
sensibilidade 450/250mV,impedância 47 kilohms
GAME (AUDIO) IN (tomada RCA)
sensibilidade 450mV,impedância 47 kilohms
MIC (minitomada)
sensibilidade 1mV,impedância 10 kilohms
SaídasPHONES (minitomada estéreo):
aceita fone de ouvido de8 ohms ou mais
SPEAKER: aceita impedância de 6a 16 ohms
Reprodutor de CDsSistema Sistema áudio digital
de disco compactoLaser Laser semicondutor
(λ=780nm)Duração da emissão:contínua
Saída Laser Máx. 44,6µW**Esta saída é o valormedido a uma distância de200mm da superfície dalente objetiva no bloco dereprodução óptica com7mm de abertura.
Resposta de Freqüência 2Hz – 20kHz (±0,5dB)Comprimento de Onda 780 – 790nmRelação Sinal-Ruído Maior que 90dBFaixa Dinâmica Maior que 90dBSAÍDA ÓPTICA DIGITAL DE CD(Tomada de conector quadrado no painel traseiro)
Comprimento de Onda 660nmNível de Saída –18dBm
Reprodutor de FitasSistema de Gravação 4 pistas, 2 canais estéreoResposta de Freqüência 40 – 13.000Hz (±3dB),
utilizando fita casseteSony tipo I (normal)
Wow e Flutter menor que 0,3%W.RMS (DIN)
RádioFM estéreo, sintonizador super-heteródino de FM/AM
Sintonizador FMFaixa de Sintonização 87,5 – 108,0MHzAntena Antena monofilar de FMTerminais da Antena 75 ohms, não balanceadoFreqüência Intermediária 10,7MHz
Sintonizador AMFaixa de Sintonização 530 – 1.710kHz (com
intervalo de freqüênciaajustado em 10kHz)531 – 1.710kHz (comintervalo de freqüênciaajustado em 9kHz)
Antena Antena Loop de AMTerminais da Antena Terminal da antena externaFreqüência Intermediária 450kHz
Caixas Acústicas
Modelo SS-DX20 para MHC-DX20Sistema 2 vias, tipo bass-reflexUnidades de Alto-FalantesWoofer: 13cm, tipo coneTweeter: 5cm, tipo coneImpedância Nominal 6 ohmsDimensões (LxAxP) Aprox. 200 × 325 × 222mmPeso Líquido Aprox. 3,2kg cada caixa
Modelo SS-DX10B para MHC-DX10BSistema 2 vias, tipo bass-reflexUnidades de Alto-FalantesWoofer: 13cm, tipo coneTweeter: 5cm, tipo coneImpedância Nominal 6 ohmsDimensões (LxAxP) Aprox. 200 × 325 × 203mmPeso Líquido Aprox. 2,9kg cada caixa
GeralAlimentação 127 / 220V CA, 60Hz
Ajustável com seletorde voltagem
Consumo MHC-DX20: 110 watts
Dimensões (LxAxP) Aprox. 280 × 325 × 421mmPeso HCD-DX20: Aprox. 8,5kg
Acessórios Fornecidos: Antena Loop de AM (1)Controle Remoto (1)RM-SR210 RM-SR200B (MHC-DX10B)
Pilhas tipo AA (2)Antena monofilar de FM (1)Pés de apoio para as
caixas acústicas (8)Projeto e especificações técnicas sujeitos à alteraçãosem prévio aviso.
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MHC-DX20
3
MHC-DX20
Este aparelho é classificado como um produto LASER CLASSE 1.O símbolo do produto laser classe 1 está localizado na parte posteriorexterna do aparelho.
O componente laser desse produto é capaz de emitir radiação, excedendo o limite daClasse 1.
AtençãoO uso dos controles, ajustes ou execução de procedimentosque não sejam os descritos nesse manual, podem causar exposiçãoa uma perigosa radiação.
Notas sobre substituição de componentes tipo chip• Nunca reutilize um componente tipo chip.• Informamos que os capacitores eletrolíticos de tântalo podem
ser danificados se expostos a altas temperaturas.
Notas sobre o reparo da placa de circuito impresso• Mantenha a temperatura do ferro de solda por volta de 270˚C
durante o reparo.• Não ressolde componentes em um mesmo ponto da placa mais
de três vezes.• Tenha cuidado para não forçar os condutores (trilhas) da placa
durante o processo de soldagem e dessoldagem.
NOTAS SOBRE O MANUSEIO DA UNIDADE Ó PTICA
O diodo laser da unidade óptica é sensível a descargas eletroestáticaspodendo ser danificado por descargas causadas por roupas ou mes-mo pelo corpo humano. Durante o reparo tenha cuidado para nãocausar danos a unidade, devido a descargas eletroestáticas e sigacorretamente os procedimentos descritos nesse manual para a exe-cução de reparos e troca de componentes. As placas de circuito im-presso são facilmente danificadas, tenha muito cuidado para manu-seá-las.
NOTAS SOBRE O DIODO EMISSOR DE LASER
O feize laser nesse modelo é concentrado e deve ser focado na super-fície reflexiva do disco, pela lente objetiva da unidade óptica. Quan-do observar a emissão do diodo laser, tome o cuidado de estarno mínimo a 30 cm da lente objetiva.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITHMARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTSLIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESECOMPONENTS WITH SONY PARTS WHOSE PART NUMBERSAPPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTSPUBLISHED BY SONY.
ATENÇÃO COM OS COMPONENTES DE SEGURANÇA !
OS COMPONENTES IDENTIFICADOS COM A MARCA 0 NOSDIAGRAMAS ESQUEMÁTICOS E NA LISTA DE PEÇAS SÃOCRÍ TICOS PARA A SEGURANÇA. SOMENTE OS SUBS-TITUA POR PEÇAS NUMERICAMENTE IDENTIFICADAS NES-SE MANUAL OU EM SUPLEMENTOS PUBLICADOS PELASONY.
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MHC-DX20
Í N D I C E
VERIFICAÇ ÃO DE SEGURANÇA
Depois de corrigido o problema de manutenção original, exe-cute as seguintes verificações de segurança antes de liberar o apa-relho para o consumidor: verifique os terminais de antena, o acaba-mento metálico, os botões "metalizados", os parafusos e outras pe-ças de metal expostas, para verificar se não há fuga AC:
FUGA
A fuga de AC de alguma parte do metal exposta à terra e de todas aspartes de metal expostas que tenham retorno ao chassi, não deve exceder 0,5mA (500 micro-amperes). A corrente de fuga pode sermedida por qualquer um dos três métodos abaixo:
1. Um aparelho medidor de fuga, como o Simpson 229 ou o RCAWT-540A. siga as instruções dos fabricantes para usar esses ins-trumentos.
2. Um miliamperímetro operado a bateria. O multímetro digital Data Precision 245 é adequado para esse serviço.
3. Medindo a queda de tensão através de um resistor por meio de um multímetro ou de um voltímetro de AC operado a bateria. A indicação de limite é de 0,75 V, desse modo os medidoresanalógicos precisam ter uma escala precisa de baixa tensão. OSimpson 250 e o Sanwa SH-63Trd são exemplos de multí-metros operados a bateria, que têm uma faixa de 2V AC, sãoadequados.
Terra
Voltímetro de AC(0.75V)1.5kΩ0.15µF
Fig. A. Usando um voltí metro AC para verificar a corrente de fuga.
Para peç as expostasno aparelho
PARTS No.1. NOTA DE SERVIÇO ..................................................... 5
2. GERAL ............................................................................... 6
3. DESMONTAGEM ........................................................... 8
4. MODO DE TESTE......................................................... 14
5. AJUSTES ELÉTRICOS .............................................. 18
6. DIAGRAMAS6-1. Localização das Placas de Circuito ................................ 216-2. Diagrama em Bloco - Seção Tuner .................................. 22
Diagrama em Bloco - Seção Principal ............................. 236-3. Placa de Circuito Impresso - Seção BD............................ 246-4. Diagrama Esquemático - Seção BD ............................... 256-5. Placa de Circuito Impresso - Seção Principal ................... 266-6. Diagrama Esquemático - Seção Principal (1/5) – ............ 276-7. Diagrama Esquemático - Seção Principal (2/5) – ........... 286-8. Diagrama Esquemático - Seção Principal (3/5) – ........... 296-9. Diagrama Esquemático - Seção Principal (4/5) – ........... 306-10. Diagrama Esquemático - Seção Principal (5/5) – ........... 316-11. Placa de Circuito Impresso - Seção Power Amp .............. 326-12. Diagrama Esquemático - Seção Power Amp..................... 336-13. Placa de Circuito Impresso - Seção Painel ....................... 346-14. Diagrama Esquemático - Seção Painel ............................. 356-15. Placa de Circuito Impresso - Seção Trans ........................ 366-16. Diagrama Esquemático - Seção Trans .............................. 376-17. Placa de Circuito Impresso - Seção Driver ....................... 386-18. Diagrama Esquemático - Seção Driver.............................. 386-19. Descrição dos Pinos dos IC's ............................................ 396-20. Diagrama em Bloco dos IC's............................................. 42
7. VISTAS EXPLODIDAS7-1. Seção Principal.................................................................. 457-2. Painel Frontal ................................................................... 467-3. Chassis .............................................................................. 477-4. Mecanismo do CD ........................................................... 48
8. LISTA DE PEÇAS ELÉTRICAS ............................. 49
5
MHC-DX20SEÇÃO 1
NOTA DE SERVIÇO
1 Connector 13p (CN712)
2 Corte os sete pontos de plástico derretido usando um alicate de corte.
4 Corte os seis pontos de plástico derretido usando um alicate de corte.
3 Placa Panel
5 Placa Key
Placa PANEL(três furos para parafusos)
Placa KEY(oito furos para parafusos)
Furo do Parafuso
Ao invés de reinstalar as placas conforme estavam, fixe-asusanso parafusos (+BVTP 2.6 × 8 ) usando os furos indica-dos. Não aperte os parafusos excessivamente.
* A placa PANEL e a placa KEY são conectadas ao painel frontal por pontos de solda plástica.
Nota para instalação da placas PANEL e KEY
REMOVENDO A PLACA PANEL E A PLACA KEY
Solda Plástica
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MHC-DX20
Esta seç ão foi extraí da do manual de instruções.
SEÇ ÃO 2GERAL
Aparelho
1 Tecla ?/1 (power)(págs. 9˜10, 19, 24, 27, 29)
2 Tecla GAME EQ* (pág. 20)3 Tecla GROOVE (pág. 20)4 Tecla EFFECT ON/OFF
(págs. 20˜21)5 Teclas v/V/b/B
(págs. 10, 19, 21, 24)6 Tecla MUSIC EQ (pág. 20)7 Tecla DISPLAY (págs. 10˜11)
Tecla EDIT (pág. 18)Tecla PLAY MODE
(págs. 12˜13)Tecla REPEAT (pág. 12)Tecla SPECTRUM (pág. 22)Tecla STEREO/MONO
(pág. 15)Tecla TUNER MEMORY
(pág. 14)Tecla DIRECTION
(págs. 16˜18)8 Gaveta de CDs (pág. 11)9 Tecla MOVIE EQ (pág. 20)0 Tecla ENTER
(págs. 10, 13˜14, 18˜19, 24)
qa Tecla P FILE (pág. 21)qs Tecla CD (págs. 12˜13, 17˜18)qd Tecla TUNER/BAND
(págs. 14˜15)qf Tecla TAPE A/B (págs. 16˜17)qg Tecla MD (VIDEO)
(págs. 25, 27)qh Controle de VOLUME (pág. 27)qj Tecla Z OPEN/CLOSE
(págs. 11˜12)qk Tomada PHONESql Tecla Z (deck B) (pág. 16)w; Deck B (págs. 16˜19)wa Teclas DISC 1˜3 (págs. 12˜13)ws Tecla M (avanço rápido) /
TUNING + (págs. 12, 14˜16)wd Tecla REC PAUSE/START
(págs. 17, 23)wf Tecla CD SYNC (págs. 17˜18)wg Tecla . (retrocesso) /
PRESET – (págs. 12˜16)Tecla x (parada)
(págs. 12˜13, 16˜17)Tecla nN* (reprodução)
(págs. 12˜13, 16˜18)
Tecla N** (reprodução)(págs. 12˜13, 16˜18)
Tecla X (pausa)(págs. 12, 16, 18)
Tecla > (avanço) /PRESET + (págs. 12˜16)
wh Tecla m (rebobinamento) /TUNING – (págs. 12, 14˜16)
wj Controle MIC LEVEL*(pág. 22)
wk Tecla Z (deck A) (pág. 16)wl Deck A (pág. 16)e; Tomada MIC* (pág. 22)ea Tecla DISC SKIP EX-CHANGE
(págs. 11˜12)es Tecla KARAOKE PON*
(pág. 22)ed Tomadas AUDIO* (pág. 25)ef Tomada VIDEO* (pág. 25)eg Tecla GAME* (págs. 22, 25)
* Somente para MHC-DX30 /MHC-DX20.
** Somente para MHC-DX10B.
ql
w;
qj
qh
qk
qg
qd
qfeg
ef
ed
es
e;
wl
ea
wawswdwfwgwhwjwk
1 2 3 4 65 8 9 q; qa qs7
ParaMHC-DX30MHC-DX20
ou
ParaMHC-DX10B
7
MHC-DX20
Controle Remoto
5
6
7
8
9
0
qa
qs
1 2 34
qdqf
qg
qh
ql
qk
qj
CD qjCLEAR 6CLOCK/TIMER SELECT 2CLOCK/TIMER SET 3D.SKIP qlEFFECT ON/OFF qaENTER qfGAME qk
MD (VIDEO) 9P FILE qdPRESET EQ qgSLEEP 1SURROUND 0TAPE A/B 8TUNER/BAND qhVOL +/– 7
Descrição dos Botões
v/V/b/B qsM (fast forward)/TUNING
+ 5. (go back)/PRESET
– 5?/1 (power) 4x (stop) 5nN (play) 5X (pause) 5> (go forward)/PRESET
+ 5m (rewind)/TUNING – 5
4 Pressione ENTER.
5 Pressione v or V repetidamente para ajus-
6 Pressione B.A indicação de minuto piscará.
7 Pressione v ou V repetidamente para ajustaros minutos.
8 Pressione ENTER.
DicaSe você cometer um erro ou quiser mudar a hora, inicie pelopasso 1.
NotaAs configurações de relógio serão canceladas se você desconectaro cabo de força da tomada ou ocorrer uma falha de energia.
Ajustando a Hora
1 Ligue o aparelho.
2 Pressione CLOCK/TIMER SET no controleremoto.Proceda o passo 5 quando “CLOCK” aparecer no display.
3 Pressione v ou V repetidamente para selecionar "SET CLOCK”.
tar a hora.
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MHC-DX20SEÇÃO 3
DESMONTAGEM
3-1. GABINETE (LADO DIREITO, LADO ESQUERDO, TAMPA)
Nota : Desmonte o aparelho seguindo a ordem abaixo.
Nota : Siga o procedimento de desmontagem na ordem numérica dada.
Placas Driver, Motor e Address sensor .
Seção Chassis
Gabinete (Lado direito, lado esquerdo, tampa)
CD Door
Painel Frontal
Mecanismo do CD(CDM58B)
Placa KeyPlaca PainelMecanismo Toca-Fitas
Placa Sub trans, Video out , painel traseiro, transformador (placa Trans )
Placa PRINCIPAL, Placa Power amp
Base da unidade, placa BD
Aparelho
Lado Direito
Lado Esquerdo
5
qd
qs
qs
q;
Tampa
6 Dois Parafusos (Case 3 TP2)
8 Parafuso (+BVTP 3 × 10)
3 Parafuso (+BVTP 3 × 10)
9 Parafuso (+BVTT 3 × 8)
4 Parafuso (+BVTT 3 × 8)
1 Dois parafusos (Case 3 TP2)
qa Quatro Parafusos (+BVTP 3 × 10)
7 Parafuso (Case 3 TP2)
2 Parafuso (Case 3 TP2)
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MHC-DX20
3-2. CD DOOR
3-3. PAINEL FRONTAL
2 Puxe a bandeja de discos para fora.
1 Gire o mecanismo na direção indicada pela seta.
mecanismo
CD door
lado do painel frontal
Mecanismo do CD (CDM58B)
3
qd
qs
5
Mecanismo do CD (CDM58B)
Painel Frontal
q; Conector (B Deck)
9 Conector (A Deck)
7 Conector (CN714)
6 Cabo tipo flat (CN2)
1 Cabo tipo flat (CN102)
2 Conector (CN701)
qa Três parafusos (+BVTP 3 × 6)
8 Parafuso (+BVTP 3 × 10)
3 Parafuso (+BVTP 3 × 10)
4 Parafuso (+BVTP 3 × 10)
Chassis
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MHC-DX20
3-4. MECANISMO DO TOCA-FITAS
3-5. PLACA PAINEL
1 Seis Parafusos (+BVTP 2.6 × 8)
2 Mecanismo do Toca-Fitas
1 botão volume
2 anel do botão volume
4 Connector (CN712)
Nota: Quando fixar a placa do painel, veja a nota de serviço na página 5.
6 Panel board
3
5 Corte os sete pontos de conexão com um alicate de corte.
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MHC-DX20
3-6. PLACA KEY
3-7. PLACA SUB TRANS , TRANS , SENSOR E VIDEO OUT.
2 Placa Key
1 Corte os seis pontos de conexão com um alicate de corte.
6 Dois parafusos (+BVTT 4 × 6)
qf Cinco Parafusos (+BVTP 3 × 10)
qg Dois Parafusos (+BVTT 3 × 6)
qh
qj Dois Parafusos (+BVTP 3 × 10)
q; Dois parafusos (+BVTP 3 × 10)
ql Parafuso (+BVTP 3 × 10)Painel Traseiro
7 Dois Parafusos (+BVTT 4 × 6)
8 Transformador de forç a (T911)
5 Connector 13P (CN915)
1 Conector 4p
2 Conector 3p (CN903)
9 Conector 2p (CN504)
qd Placa Sensor
qs Cover (Duct)
w; Placa Video out
qa Parafuso (+BVTP 3 × 10)
4 Sub trans board
qk ventilador DC (M961)
Trans board
3 Dois parafusos (+BVTP 3 × 10)
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MHC-DX20
3-8. PLACAS PRINCIPAL E POWER
3-9. BASE DA UNIDADE
4 Trê s Parafusos (+BVTT 3 × 6)
6 Dois parafusos (+BVTT 3 × 6) 7 Dissipador
3 Dois parafusos (+BVTP 3 × 16)
1 Dois Parafusos (+BVTT 3 × 6)
2 Placa Principal
5 Placa Power
Placa Principal
Base da Unidade
qa
9 Dois parafusos (+PTPWH M2.6)
1 Parafuso (+PTPWH M2.6)
q; Parafuso (DIA. 12)
7 Dois parafusos (+BVTP 2.6 × 8)
6 Placa BD
qs Dois isoladores
2 Holder montado
qs Dois Isoladores
8 Dois stoppers (BU)
3 Cabo Tipo Flat 19p (CN101)
4 Cabo tipo flat (CN102)
5 Parafusos (+BVTP 2.6 × 8)
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MHC-DX20
3-10. PLACAS DRIVER , MOTOR e ADDRESS SENSOR.
9 Puxe a bandeja de discos
4 Dois Parafusos (+BVTP 2.6 × 8)
q; Parafuso (+PTPWH 2.6 × 8)
qa bandeja
1 Parafuso (+BVTP 2.6 × 8)
qs Parafuso (+BVTP 2.6 × 8)
6 Cabo tipo flat 8p (CN721)
3 Cabo tipo flat 8p (CN702)
8 Placa Motor
qd Placa Address sensor
2 Placa Driver
5 Remova as duas soldas do motor.
7 Conector 4p (CN722)
14
SEÇÃO 4MODO DE TESTE
[MC Cold Reset]• O cold reset limpa todos os dados, imcluindo os armazenados
na RAM ao inicializar o aparelho. Execute este modo quando fordevolver o aparelho ao cliente.
Procedimento:1. Aperte os botões x , ENTER , e ?/1 simultaneamente.2. O tubo fluorescente mostrará “COLD RESET” e o
modo terá sido executado.
[CD Ship Mode]• Este modo move a unidade para uma posição segura para o
transporte. Execute-o quando for devolver o aparelho aocliente.
Procedimento:1. Tecle 1/ u para ligar o aparelho.2. Tecle CD junto com 1/ u (simultâneamente).3. Depois do "STANDBY" piscar seis vezes, a mensagem
“LOCK”é mostrada no tubo fluorescente, entãoo aparelho estara no CD Ship Mode.
[MC Hot Reset]• Este modo limpa a memória, eliminando todos os dados e
programações armazenados, algo similar a desligar o cabo dealimentação da tomada e reconectá-lo depois.
Procedimento:1. Tecle os botões x , ENTER , e DISC 1 simultaneamente.2. O tubo fluorescente apagara por um instante e a memória
do aparelho estará limpa.
[CD Service Mode]• Este modo permite que o CD Sled Motor corra livrimente.
Use-o para limpar a unidade.Procedimento:1. Tecle ?/ 1 para ligar o aparelho.2. Selecione a função “CD”.3. Tecle os botões x , ENTER , e OPEN/CLOSE simul-
taneamente.4. O Modo CD Service é selecionado.5. Com o CD parado, gire o knob shuttle no sentido horário para
mover a unidade para fora e no sentido anti-horário paramover a unida para dentro.
6. Para sair deste modo faça o seguinte:1) Mova a unidade para a posição da faixa mais interna.2) Pressione os botões do passo 2 de forma analoga.
Nota: • Sempre posicione a unidade na posição da faixa mais interna parasair deste modo. Do contrário, um disco não poderá ser lido.
• Não use (mova) o sled motor excessivamente, pois pode causar odesgaste das engranagens.
[VACS ON/OFF Mode]• Este modo é usado para chavear o VACS (Variable Attenuation
Control System) em ON ou OFF.
Procedimento:Pressione ENTER e SPECTRUM simultaneamente. A mensa-gem “VACS OFF” ou “VACS ON” aparecerá no display.
[Variando o passo do AM entre 9 kHz e 10kHz]10 kHz]• O passo de seleção de frequência do AM pode ser de 9kHz
ou de 10 kHz.Procedimento:1. Tecle ?/ 1 para ligar o aparelho.2. Selecione a função “TUNER”, e tecle TUNER/BAND
para selecionar a faixa “MW”.3. Press ?/1 button to turn the set OFF.4. Tecle ENTER e ?/1 simultaneamente, e o display fluores-
cente indicará “MW 9 k STEP” ou “MW 10 k STEP”.O valor indicado será o novo passo nesta faixa.
[GC Test Mode]• Este modo é usado para verificar a versão de software, o tubo FL, os
LED"s, as teclas e os VACS.Procedimento:1. tecle os botões x , ENTER , e DISC 2 simultaneamente.2. Todos os LED's e o todo otubo fluorescente acendem.3. Para visualizar o mode de exibição da vesão do software,
tecle DISC 1 . O número do modelo e o destino serão exibidos.4. Sempre que DISC 1 é apertado, a sequência de exibição começa:
versão do MC, versão do GC, versão do VC, versão do CD, versãodo CM, versão do ST, versão do TC, versãoo do TA, versão do TM eversão do BRnesta ordem, e retorna ao número do modelo ee o destino.
5. Tecle DISC 3 e uma sequência de números começará a ser exi-bida, exceto o número do modelo e o destino. São mostrados o ano, o mês, e o dia da criação do software. Quando DISC 3 éteclado novamente, o display retorna à versão do software.Tecle DISC 1 enquanto aparece o ano, o mês e o dia da criaçãodo software e aparecerá o ano, o mês e o dia da criaçãoda versão do software,sendo exibida na mesma ordem que a jáexibida anteriormente.
6. Tecle DISC 2 e o modo de verificação das chaves é ativado.7. No mode de verificação das chaves, o tubo fluorescente mostrará
“KEY0 VOL0”. Cada vez que um botão for precionado, o valor de“KEY”aumenta, todavia, uma vez que um botão foi apertadoele não voltará a ser contado.O valor do “VOL” aumenta de 1, 2, 3 ... se rodado o VOLUMEno sentido “+” ou decresce de 0, 9, 8 ... se rodado nosentido “–”.
8. Quando DISC 3 é pressionado depois de todos os LEDs e dotubo fluorescente acenderem, aparece o valor dos VACS.
9. Para sair deste modo pressione as três teclas indicadasno passo 1 ou desconecte o cabo de alimentação da tomada.
MHC-DX20
15
[MC Test Mode]• Este modo é utilizado para verificar as operações das seçõesdo amplificador, do tuner, do CD e do toca-fitas.
Procedimento:1. Pressione ?/ 1 para ligar o aparelho.2. Pressione os botões x , ENTER e DISC 3
simultaneamente.3. A messagem “TEST MODE” aparecerá no tubo FL4 Tecle f (CURSOR UP) e o GEQ vai para o valor máximo
e a mensagem “GEQ ALL MA” aparece.5. Tecle F (CURSOR DOWN) e o GEQ vai para o valor mínimo
e a mensagem “GEQ ALL M1” aparece.6. Tecle g (CURSOR LEFT) ou G (CURSOR RIGHT) e o GEQ
é posicionado em flaat, e a mensagem “GEQ FLAT”aparece.
7. Quando o knob do VOLUME é girado no sentido horário,o volume aumenta até o máximo e a mensagem"VOLUME MAX" é exibida por dois segundos, então,o display retorna a exibição original.
8. Quando o knob do VOLUME girado no sentido anti-horário,o volume diminui até o mínimo e a mensagem"VOLUME MIN" é exibida por dois segundos, então,o display retorna a exibição original.
9. No modo de teste, o canal default-preset é chamado quando oTUNER é selecionado e uma tentativa é feita para selecionarcanal que foi armazenado na memória, usando o knobShuttle. (Ista indica que a memória esta limpa.)
10. Selecionando CD e teclando EDIT o disco que esta paratocar, neste momento, começa a seleção default.Isso indica que o disco default somente é acessado, quando umoutro disco é selecionado e a indicação no display mostraconcordância. Por algum tempo, os DISK SKIP EX-CHANGE e o OPEN/CLOSE não podem ser acessados.Isto indica que ao motor da bandeja e o de rotaçãoestão fora de operação.)
11. Quando uma fita é colocada no Deck B e a gravação é inicializada,a função VIDEO ém se lecionada automaticamente.
12. Tecle x e a gravação para, o toca-fitas (Deck B) ée a fita é rebobinada, usando o knob Shuttle, a fitaé rebobinada até aproximadamente onde começou a gravação,e a fita começa a ser tocada automaticamente. Se umapausa é inserida durante a gravação, a fita é rebobinadaaté a posição onde a pausa foi inserida.
13. Teclando CD SYNC HI-DUB durante a reprodução do deckB, pode-se selecionar a velocidade normal ou a velocidadealta.
14. Selecione a função loop, teclando PLAY MODE .Insira uma fita de teste AMS-110A ou AMS-RO no deck A.
15. Pressione SPECTRUM para entrar no Modo de Teste AMS.16. Depois de uma fita se rebobinada, o FF AMS é verificado, e o
mecanismo é desligado, depois de detectado o sinal de AMS duas vezes.17. O REW AMS é verificado depois que o mecanismo é
desligado.18. Quando a verificação termina, a menssagen OK ou NG
aparece.19. Para sair do modo de teste. pressione ?/ 1 duas vezes.
O cold reset é executado.
[versã o do Microprocessor ]• Esta operação é feita durante o modo POWER OFF.
1. Quando os botões STOP , ENTER , V (CURSOR DOWN)são pressionados ao mesmo tempo, a versão do microprocessador MC e GC são mostradas no display como “M1.00 G1.00”.
2. Quando os botões STOP , ENTER , v (CURSOR UP) sãopressionados ao mesmo tempo, o modelo e destino são mostradosno display como “BG1 AS1A3”.
MHC-DX20
16
[Aging Mode]Este modo é utilizado para verificar o funcionamento da CD e do toca-fitas• Se um erro ocorrer:
A operação de aging para e aparece uma mensagem.• Se não ocorrer nenhum erro:
A operação de aging será repetida continuamente.
1. Método de operar o modo de agingLigue o aparelho e selecione a função "CD".1) Selecione o DISC1. Selecione ALL DISC CONTINUE, e REPEAT OFF.2) Carregue uma fita no deck A e outra no deck B.3) Tecle os botões x , ENTER , e
DISC SKIP/EX-CHANGE simultaneamente.4) A operação de aging do CD é inicializada depois de algum tempo.5) Para sair do modo de aging, execute o [MC Cold Reset].
3. Modo de aging na seção CD1) Exibe o estado• Sem ocorrer erros
Nota:[*][*][*][*] : Número de operações de aging
Display de ERROS
E **s ## $$ %%12 3 4 5
• Quando os botões x , ENTER e DISC 1 são pressionados simultaneamente, o númro de vezes que ocorreram erros de mecanismo e deNO DISC, pode ser verificado.Display: EMC**EDC** **: Número de vezes que ocorreu o erro (Maximo de três vezes)
EMC: Erro do mecanismoEDC: Erro NO DISC
• Quando o aging é completado, execute o MC Cold Reset para limpar o histórico de erros.
D: Sem indicação de disco
01: FOCUS ERROR02: GFS ERROR03: SETUP ERROR
01: NO DISC julga sem prender o disco02: NO DISC julga após prender o disco
Indica o tempo do julgamento do NO DISC(Somente dgitos de ordem alta)1: STOP2: SETUP3: TOC READ4: ACCESS5: PLAY BACK6: PAUSE7: MANUAL SEARCH (PLAY)8: MANUAL SEARCH (PAUSE)
AGING[*][*][*][*]
1 **
2 s
3 ##
4 $$
5 %%
M: Erro de mecanismo
Sem problemas
Somente dígitos de ordem altaD: Para durante o fechamento, devido a problemas não mecânicos.E: Para durante a operação, devido a problemas não mecânicos.C: Para durante o carregamento do disco, devido a problemas não mecânicos.F: Para durante o "EX-opening" devido a problemas não mecânicos
Informação de Erro de Emergêncial (Somente dgitos de ordem alta)1: Para durante o carregamento.2: Para durante o descarregamento.3: Tempo excessivo para o EX-OPEN5: Tempo excessivo para o EX-CLOSE
O erro No. 00 indica não haver erro. Como o No. do erro aumenta, isto indica a ordem dos erros.Para ver o hstórico dos erros, pressione o botão PLAY MODE para o caso de erro do mecanismo.ou pressione REPEAT para o caso de erro NO DISC.
Display
MHC-DX20
17
2) Operação durante o modo de agingNo modo de aging, o programa é executado na seguinte seque-quência.(1) A bandeja de discos abre e fecha.(2) O mecanismo acessa o DISC 2 e faz uma tentativa de ler
TOC. Toda via, se não houver discos, a menssagem“CD2 NO DISC” aparecerá.
(3) O mecanismo acessa o DISC 3 e a menssagem “CD3 NODISC” aparece.
(4) A bandeja seleciona o DISC 1.(5) Um disco é carregado.(6) O TOC do disco é lido.(7) A unidade acessa a faixa 1 e a executa por 2 segundos.(8) A unidade acessa a última faixa e a executa por 2 segundos.(9) Toda vez que se completar uma operação do aging (passos 1 a 8)
o display indicará “AGING [*][*][*][*]” aumentando ovalor do número de operações realizadas.
(10) Retorna ao passo 1.
3. Modo de Aging na Seção do Toca-fitas1) Indicação do Display• Sem ocorrer erros
Display continua em ação• Ocorrendo um erro
O display indica a última vez em que houve ação
2) Operação Durante o Modo de AgingNo modo de aging, o programa é executado na seguintesequência.(1) Rebobina os deck A e B até o início da fita e os executa.(2) Toca o deck A por 2 minutos(3) FF é executado por 20 segundos ou até o início da fita che-
gar.(4) O lado reverso da fita no deck A é executado por 2 minu-
tos.(5) A fita é rebobinada até o início.(6) Retorna ao passo 2 e executa os passos 2 a 5.
[Function Change Mode]* Alterna a entrada externa entre VÍDEO MD
Procedimento:1. Desligue o aparelho2. Pressione os botões MD/VIDEO e ?/ 1 por algum tempo.
O aparelho liga e: se estava em MD ao ser desligado, voltacomo VíDEO, e se estava como VÍDEO, retorna comoMD.
NO. Ação indicada O que faz Como termina
1 TAPE A AG-1 Rewind the TAPE A, B Vai para o início da fita
2 TAPE A AG-2 FWD play the TAPE A toca por 2 min.
3 TAPE A AG-3 F.F. the TAPE A Avança por 20 seg. ouaté o fim da fita
4 TAPE A AG-4 REV play the TAPE A toca por 2 min.
5 TAPE A AG-5 Rewind the TAPE A Vai para o incio da fita
6 TAPE B AG-2 FWD play the TAPE B toca por 2 min.
7 TAPE B AG-3 F.F. the TAPE B Avana por 20 seg. ouat o fim da fita
8 TAPE B AG-4 REV play the TAPE B toca por 2 min.
9 TAPE B AG-5 Rewind the TAPE B Vai para o incio da fita
MHC-DX20
18
Ajuste do Nível do FM Tuned
Procedimento:1. Coloque um sinal de 28 dB 98 MHz no terminal da antena.2. Sintonize em 98 MHz.3. Ajuste o RV611 no ponto (momento) em que o indicador
TUNED fica entre aceso e apagado.
Localização do Ajuste: Placa Principal
Ajuste do Null
Procedimento:1. Coloque um sinal de 60 dB 98 MHz no terminal de antena.2. Coloque o TUNED do aparelho em 98 MHz.3. Meça a tensão entre o pino 21do IC 601. Ajuste o T601 ubtil
the voltage becomes 0 V.
Localização do Ajuste: Placa Principal
Localização dos Ajustes
[PLACA PRINCIPAL] Lado Componente
FM RF SSG
75 Ω coaxial
Portadora : 98 MHzModulaç ã o : AUDIO 1 kHz, 75 kHz separaç ã o (100%)Ní vel de Saí da : 28 dB (com 75 W em aberto)
Terminal de antena FM(TM601)
aparelho
FM RF SSG
75 Ω coaxial
Portadora : 98 MHzModulaç ã o : AUDIO 1 kHz, 75 kHz separaç ã o (100%)Nível de Saída :60 dB (at 75 W open)
Terminal de antena FM(TM601)
aparelho
SEÇ ÃO CD
Nota :1. O bloco do CD é construido basicamente para operar sem ajuste,
entretanto, execute as verificações a segui, na ordem indicada.2. Use um disco conhecido.3. Use um osciloscópio com mais de 10MΩ de impedancia.4. Limpe a lente objetiva com detergente neutro quando o
sinal estiver com o valor abaixo do especificado, quandoverificado pelo método a seguir.
VERIFICAÇÃO DA CURVA-S
Procedimento :1. Conecte o osciloscópio no TP (FEO).2. Coloque em curto o TP (FEI) com o TP (VC) (use um cabo isolado)3. Coloque em curto o TP (AGCCON) com o TP (GND) (use um cabo isolado)4. Ligue o aparelho.5. Coloque um disco conhecido e verifique a atuação do foco
(o foco atua em consequência de se abrir e fechar a bandejade disco)
6. Confirme que a forma de onda no osciloscópio (S-curve) ésimétrica entre os pontos A e B e que o valor de pico a picoé de 4 ±1 Vp-p.
7. Após a verificação retire os curtos colocados nos passos 2 e 3.Nota : • Tente medir várias de forma a obter um melhor valor para a relação
de A : B ou B : A deve ser maior que 10 : 7.• Melhore a visualização do sinal aumentando o tempo de var-
redura e a intensidade do brilho.
Verificação do Nível de RF
Procedimento :1. Conecte o osciloscópio no TP (RF).2. Coloque em curto o TP (AGCCON) e o TP (GND) (use um cabo isolado)3. Ligue o aparelho.4. Coloque um disco conhecido para tocar.5. Confirme a forma de onda nos osciloscópio, o sinal deve estar
claro e verifique se o nível esta correto ou não.6. AAps a verificao retire os curtos colocados nos passos 2 .
Placa BDosciloscópio
TP(FEO)TP(VC)
simé tricos
Forma de onda da Curva-S
valor de 4 ±1Vp-p
A
B
TP(RF)TP(VC)
Placa BDosciloscópio
T101
RV661
RV101
IFT101T102
RV661:TAPE SPEED
T101:NULL
RV101:FM TUNED LEVEL
SEÇÃO 5AJUSTES ELÉTRICOS
MHC-DX20
19
Nota : Um sinal limpo de RF terá a forma de “ ◊ ” ( l o s a n g o s )podendo ser facilmente observado no centro da onda.
Verificaç ã o do Balanço de E-F
Procedimento :1. Conecte o osciloscópio entre o TP (TEO) e o TP (VC).2. Ligue o aparelho3. Coloque um disco conhecido.4. Pressione gG (Começa a tocar a faixa 1)5. Confirme os níveis B e A no osciloscópio. Devem estar
com a forma de onda conforme abaixo (tensão DC).
6. Após as verificações, remova os cabos colocados no passo 1
Verificaç ã o da Frequê ncia RF PLL Free-runProcedimento :1. Conecte o frequencímetro conforme abaixo.
2. Ligue o aparelho.3. Coloque um disco conhecido.
Confirme que o valor da frequência é: 4.3218MHz.
Forma de onda do sinal de RF
VOLT/DIV : 200mVTIME/DIV : 500ns
Nível : 1.45 ± 0.3Vp-p
TP(TEO)TP(VC)
Placa BDosciloscópio
Nível=1.3±0.6Vp-p simétrico
A (Tensão DC)
centro da forma de onda
B
0V
1 track jump waveform
Nível especificado: –– × 100=mennor que ±22%BA
Placa BD
TP (XPCK)
frequencímetro
TP(XPCK)
TP(TEO)
TP(FEO)
TP(FEI)
TP(RF)
TP(VC)
TP(DGND)
TP(AGCCON)
112
241
2021
40
60
8041
61
IC101
IC103
Localização do Ajuste
[BD BOARD] (Lado Condutor)
MHC-DX20
20
MHC-DX20SEÇÃO 5
DIAGRAMAS
Nota nos diagramas esquemáticos• Todos os capacitores estã o em µF a menos que especificados.
pF: µµF 50 WV ou menores nã o sã o indicados, exceto paraos eletrolí ticos e os de tântalo.
• Todos os resistores estã o em Ω e 1/4 W a menos que espe-
cificados diferentemente.• f : componente interno• C : designação do painel
Nota nas Placas de Circuito Impresso• X : partes extraidas do lado componente• : partes do lado que nao pode ser visto• Indicação de transistor
Nota:Os componentes identificados com a marca 0 são críti-cos para a segurança. Some nte os substitua por peçasnumericamente identificadas nesse manual.
• A : B+ Line.• B : B– Line.• H : ajuste para reparo.• Voltagens e formas de onda estã o em DC, com relação ao
terra, em condição de ausência de sinal. • Voltagens sã o obtidas com um VOM (impedâ ncia de entrada de 10Mohm.)
Variações de voltagem são verificadas dentro de uma faixa de tolerâ ncia.
• Formas de onda são obtidas com um osciloscópio.Variações de voltagem são verificadas dentro de uma faixa de tolerância.
• Números circulados referem-se a formas de onda.• Simbologia
F : FMf : AME : PB (DECK A)d : PB (DECK B)G : REC (DECK B)J : CDc : digital out
ESTA NOTA É COMUM PARA PLACA DE CIRCUITO IMPRESSO E DIAGRAMAS ESQUEMÁTICOS(Notas adicionais estão impressas nas folhas correspondentes aos diagramas e placas. )
B
Estes são omitidos
C E
Q
C
B
Estes sã o omitidos
E
Q
21
MHC-DX20
5-1. LOCALIZAÇÃO DAS PLACAS DE CIRCUITO
• FORMAS DE ONDA
1 IC102 wf STOP MODE
4.1Vp-p
2 IC401 qd STOP MODE
3 IC401 qa STOP MODE
4.0Vp-p
3.0Vp-p
222ns(4.5MHz)
63ns(16.0MHz)
31µs(32.768kHz)
1 IC701 4 STOP MODE
5.3Vp-p200ns(5MHz)
– PLACA PRINCIPAL – - PLACA PANEL -
1 IC101 yj CD PLAY MODE
6.4Vp-p59ns
(16.9344MHz)
1.2Vp-p
2 IC101 ta CD PLAY MODE
3 IC101 ra CD PLAY MODE
4 IC101 el CD PLAY MODE
400nsec/div
approx 200mVp-p
approx 170mVp-p
– PLACA BD –
placa TRANS
placa MOTOR
placa ADDRESS SENSOR
placa DRIVER
placa SENSOR
placa BD
placa VIDEO OUT
placa SUB TRANS
Placa PRINCIPAL
Placa POWER AMP
placa PANEL
placa KEY
2222
MHC-DX20
6-2. DIAGRAMA EM BLOCOSEÇÃO TUNER
: FM
: AM
: CD
• Signal Path
• RCH is omitted
: DIGITAL OUT
FM 75Ω
AM
TM101
ANT IN1 7IF OUT
8OSC OUT
5VT
FE101
ANT IN1 7IF OUT
8OSC OUT
5VT
FE101
JR109
+B A+12VQ102
10
FM OSC15
VT1 IN18
VT117
PD119
PLLIC102
12IFFM/AM7FM
14AM OSC
2VCO STOP
8IF REQ
6DO4DI
5CL
3CE
XIN1
XOUT24
X1014.5MHz
RF IFAMP
Q101CF101 CF102
T101
T102
DOD108DI
CL
CE
1
13
3
455
122
14
1511
6 7
9
RB101
19AM MIX OUT
IF OUT9
AM/IF12
AM OSC24
VCO STOP13
IF MUTE8
AM RF20
OSC22
V REG23
FM IF1
FM DET5
AM/FM FRONT-END, IFAMP, MPX
IC10111L OUT
10R OUT
AMPQ103
18AM IF INIFT101
IFT101
R-CH
AMAIN
SECTION
MUX
6TU LED
7ST LED
3FM SD ADJ
FM SD ADJRV611
X1024.332MHz
RDS DATA21
RDS INT20
ST MUTE22
ST CE25ST CLK28ST DOUT26ST DIN27
STEREO (IN)23TUNED24
MASTER CONTROL
IC401(1/2)
DO
CL
CE
DI
DI
OPTICAL PICK-UPBLOCK
A
B
C
D
E
F
LD
VC
+5V
GND
PD
VR
LDDRIVE
FOCUSCOIL
TRACKINGCOIL
Q101
RF AMP
AMTRACKING
IC103VC12
A5
B6
C7
D8
E11
F10
LD3
PD4
IC102MOTOR DRIVER
CH1OUT R
13
CH1OUT F
14
CH2OUT R
11
CH2OUT F
12
CH3OUT R
18
CH3OUT F
17
MM102SLED
MOTOR
CH4OUT R
16
CH4OUT F
15
MM101
SPINDLEMOTOR
F+
F-
T+
T-
3CH1R IN
2CH1F IN
6CH2R IN
5CH2F IN
23CH3R IN
24CH3F IN
25CH4S IN
20MUTE
MDP26
SFDR28
SRDR29
TRDR31
TFDR30
FRDR33
FFDR32
DIGITAL SIGNAL PROCESSORD/A CONVERTER
IC101
DIGITAL SERVO
60D OUT
RFAC51
17RFI
16RFO
14FE
13TE
22LD ON
21HOLD SW
RFDC43
FE39
TE41
SE40
XLON14
72L OUT 1
DIGITALOUT
OPTICAL CDDIGITAL OUT
OPTICAL
PH671
75L OUT 2
5DATA
BMAIN
SECTIONL-CH
L OUT
L-CH
7CLOK
6XLAT
2SQCK
9SCLK
20SCOR
1SQSO
27SSTP
66XTAI
67XTAO
3XRST
S101LIMITIN SW
X10116.9344MHz
CD DAT OUT35
CD CLK37
XLT42
SQ CLK33
SCOR19
SQ DAT32
XRST43
HOLD40
TBL ADDRESSSENSOR49T SENS
IC711
48BU UP/DOWN SW
46OPEN SW
47CLOSE SW
44LOAD IN
OPEN/CLOSES701
UP/DOWNS711
45LOAD OUT
MOTORDRIVE
9
7
4
2
M
IC701
M+7V
TURNMOTOR
M721
8SENS SENS34
AMFREQUENCYCOVERRAGE
FM IF
AM IF
2222
MHC-DX20
6-2. DIAGRAMA EM BLOCOSEÇÃO TUNER
: FM
: AM
: CD
• Signal Path
• RCH is omitted
: DIGITAL OUT
FM 75Ω
AM
TM101
ANT IN1 7IF OUT
8OSC OUT
5VT
FE101
ANT IN1 7IF OUT
8OSC OUT
5VT
FE101
JR109
+B A+12VQ102
10
FM OSC15
VT1 IN18
VT117
PD119
PLLIC102
12IFFM/AM7FM
14AM OSC
2VCO STOP
8IF REQ
6DO4DI
5CL
3CE
XIN1
XOUT24
X1014.5MHz
RF IFAMP
Q101CF101 CF102
T101
T102
DOD108DI
CL
CE
1
13
3
455
122
14
1511
6 7
9
RB101
19AM MIX OUT
IF OUT9
AM/IF12
AM OSC24
VCO STOP13
IF MUTE8
AM RF20
OSC22
V REG23
FM IF1
FM DET5
AM/FM FRONT-END, IFAMP, MPX
IC10111L OUT
10R OUT
AMPQ103
18AM IF INIFT101
IFT101
R-CH
AMAIN
SECTION
MUX
6TU LED
7ST LED
3FM SD ADJ
FM SD ADJRV611
X1024.332MHz
RDS DATA21
RDS INT20
ST MUTE22
ST CE25ST CLK28ST DOUT26ST DIN27
STEREO (IN)23TUNED24
MASTER CONTROL
IC401(1/2)
DO
CL
CE
DI
DI
OPTICAL PICK-UPBLOCK
A
B
C
D
E
F
LD
VC
+5V
GND
PD
VR
LDDRIVE
FOCUSCOIL
TRACKINGCOIL
Q101
RF AMP
AMTRACKING
IC103VC12
A5
B6
C7
D8
E11
F10
LD3
PD4
IC102MOTOR DRIVER
CH1OUT R
13
CH1OUT F
14
CH2OUT R
11
CH2OUT F
12
CH3OUT R
18
CH3OUT F
17
MM102SLED
MOTOR
CH4OUT R
16
CH4OUT F
15
MM101
SPINDLEMOTOR
F+
F-
T+
T-
3CH1R IN
2CH1F IN
6CH2R IN
5CH2F IN
23CH3R IN
24CH3F IN
25CH4S IN
20MUTE
MDP26
SFDR28
SRDR29
TRDR31
TFDR30
FRDR33
FFDR32
DIGITAL SIGNAL PROCESSORD/A CONVERTER
IC101
DIGITAL SERVO
60D OUT
RFAC51
17RFI
16RFO
14FE
13TE
22LD ON
21HOLD SW
RFDC43
FE39
TE41
SE40
XLON14
72L OUT 1
DIGITALOUT
OPTICAL CDDIGITAL OUT
OPTICAL
PH671
75L OUT 2
5DATA
BMAIN
SECTIONL-CH
L OUT
L-CH
7CLOK
6XLAT
2SQCK
9SCLK
20SCOR
1SQSO
27SSTP
66XTAI
67XTAO
3XRST
S101LIMITIN SW
X10116.9344MHz
CD DAT OUT35
CD CLK37
XLT42
SQ CLK33
SCOR19
SQ DAT32
XRST43
HOLD40
TBL ADDRESSSENSOR49T SENS
IC711
48BU UP/DOWN SW
46OPEN SW
47CLOSE SW
44LOAD IN
OPEN/CLOSES701
UP/DOWNS711
45LOAD OUT
MOTORDRIVE
9
7
4
2
M
IC701
M+7V
TURNMOTOR
M721
8SENS SENS34
AMFREQUENCYCOVERRAGE
FM IF
AM IF
2323
MHC-DX20
SEÇÃO PRINCIPAL
R-CH
RESET
: FM
: CD
• Signal Path
• RCH is omitted
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
TUNERSECTION
CDSECTION
MD/VIDEO(AUDIO IN)
VIDEO OUT
GAMEIN
J702
MIC
RV703
MICLEVEL
L
R
L
R
24OUT L
MUTEQ301
MUTECONT
Q361,362POWER
AMP
IC5011
12
6
7
MUTEDRIVE
Q581
MUTEBUFFER
Q503,504
OVER LOADDETECTOR
Q501D502
DCDETECT
Q381,382
PROTECTCONT
Q383
RERAYDEIVE
Q384,385
PROTECTSWITCH
Q386,387
MUTECONT
Q365
MUTEQ363
PHONES
R CH
R CH
L
R
JK302
SPEAKERIMPEDANCEUSE 6-16Ω
67 B REC REV
89 A SHUT
71 B PLAY
70 A PLAY
69 B HALF
68 A HALF
A TRIGDRIVE
CAPSTAN MOTORCAPM+
RV661MOTORSPEED
B-SOL
A-SOL
REC(REV)
A-PHOTO
A-MODE
B-MODE
A-HALF
B-HALF
DRIVE
Q605,606
Q601,602
B TRIGDRIVE
Q603,604
A TRIG60
B TRIG61
CAP M CONT65
POW
ERKE
Y74
POW
ER97
LED
34
LED
33
LED
32
LED
31
LED
30
LED
29
LED
28
LED
27
KEY
0
22
KEY
1
21
KEY
2
20
DVD
5.1
26
DISP
LAY
KEY
73
LEDDRIVER
FLUORECENTINDICATOR TUBE
FLD1
Q701
EVER 5.7V
F1F2VP (-30V)
IC401(2/2)MASTER CONTROL
IC701DISPLAY CONTROL
83
LINE
MUT
84
STK
MUT
88
FRON
T-RE
LAY
85
PROT
ECT
10
XC IN
11
XC O
UT
15
X IN
13
X OU
T
32.768kHzX601
16MHzX602
3
X1
4
X2
5MHzRES701
T911
JW911
S901F919
JW913
DX20: AR,E2,E51,EA,SP
F914
DX20: AR,E2,E51,EA,SP
-VREG
+5VREG
Q911,D911-913
D541
VP (-30V)
+B
-B
POWERAMP
D681-684
EVER +5.7V
F1
AC1
AC1
AC3
AC3
AC4
AC4
F2
D902-905
ACIN
RELAYDRIVE
Q901
IC901 T901
31
+5.7VREG 13
RY901
+12VREG 31
+9VREG 31
CD POWERSWITCH
+5VREG 31
IC681 Q681,682
IC682
IC683
IC684
D+5V(SW)
A+5V(SW)
RDS +5V
BD +5V
EVER +5V
EVER +5.7V
D +5V
+5V(SW)
MIC +12V
+9V
M+7V
+7VD687-690
D686
D667
D661
D669
D670
STBY RELAY 86
38CD POWER
RESET 12 3 1
Q661 IC661
D383
D691-693
D664
D543 D542
JW912 JW6
JW5
JW3
JW1
66 B REC KEYREC(FWD)
90 B SHUTB-PHOTO
A
B
R-CH
L-CH
LOUT
L-CH
J301
J705
R-CH
R-CH
L-CH
R-CH
ERASE
L-CH
L-CH
JK704
INPUT SELECTTONE/VOL CONT
IC301
TUNER L43
CD L42
MD L47
32
24OUT R R CH31
MIC56
TC R
ELAY
BUFFER
Q213
MIC AMP
IC702(1/2)
AMP
IC702(2/2)
R-CH
19 6
9
2
1
11
5
AMCDETECT REMOTE
CONTROLRECEIVER
SEN701
Q210,211D203,204
A/B
Q217
Q227 Q222,225
D206
MIC +12V
Q220,221
BIAS OSC
Q223,L201 Q224,228
5681 8082917972767775
A
B
PB
REC
IC201
Q214
39 38 37 36 35 34
TAPE/ L45
INLE GAME49
DPLL157
D302
BPOU
T
C B A SCK
SI
–A DECK–HP101
PLAYBACKHEAD
–B DECK–HRPE101RECOD/
PLAYBACK/ERASEHEAD
CASETTEDECKUNIT
BIAS
PB A
/B
AMS
REC-
MUT
E
3878
-DAT
3878
-LAT
3878
-CLK
SP-L
ATA
SP-L
ATB
SP-L
ATC
SP-V
ACS
7
REC/ PB AMP
VIDEO
AUDIO
MOT
OR H
MOT
OR L
S701`/1
D701`/1
S726DISPLAY
37-58 61-68 69-80
LED DRIVERQ702-710
KEY MATRIXS713-725S727-738
S702,704,711S712 DX20
VOL
13
VOL
14
VDD
25
REM
OTE
IN
4
RESE
TM
-RES
ET
6
41
SBSY
S-BS
Y
10
3S
S-LC
K
7
2
SS-
OUT
9
1
SS-
IN
8
100
HEAD
PHON
ES
17
Q701-712,716-720
ROTARYENCODER
VR701
VOLUME
+5V (SW) D713
EVER +5V
D685
JW2
JW4
S901
VOLTAGE SELECTOR
230-240Vr
220Vr
120V
RY371
JACK701
F920
2323
MHC-DX20
SEÇÃO PRINCIPAL
R-CH
RESET
: FM
: CD
• Signal Path
• RCH is omitted
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
TUNERSECTION
CDSECTION
MD/VIDEO(AUDIO IN)
VIDEO OUT
GAMEIN
J702
MIC
RV703
MICLEVEL
L
R
L
R
24OUT L
MUTEQ301
MUTECONT
Q361,362POWER
AMP
IC5011
12
6
7
MUTEDRIVE
Q581
MUTEBUFFER
Q503,504
OVER LOADDETECTOR
Q501D502
DCDETECT
Q381,382
PROTECTCONT
Q383
RERAYDEIVE
Q384,385
PROTECTSWITCH
Q386,387
MUTECONT
Q365
MUTEQ363
PHONES
R CH
R CH
L
R
JK302
SPEAKERIMPEDANCEUSE 6-16Ω
67 B REC REV
89 A SHUT
71 B PLAY
70 A PLAY
69 B HALF
68 A HALF
A TRIGDRIVE
CAPSTAN MOTORCAPM+
RV661MOTORSPEED
B-SOL
A-SOL
REC(REV)
A-PHOTO
A-MODE
B-MODE
A-HALF
B-HALF
DRIVE
Q605,606
Q601,602
B TRIGDRIVE
Q603,604
A TRIG60
B TRIG61
CAP M CONT65
POW
ERKE
Y74
POW
ER97
LED
34
LED
33
LED
32
LED
31
LED
30
LED
29
LED
28
LED
27
KEY
0
22
KEY
1
21
KEY
2
20
DVD
5.1
26
DISP
LAY
KEY
73
LEDDRIVER
FLUORECENTINDICATOR TUBE
FLD1
Q701
EVER 5.7V
F1F2VP (-30V)
IC401(2/2)MASTER CONTROL
IC701DISPLAY CONTROL
83
LINE
MUT
84
STK
MUT
88
FRON
T-RE
LAY
85
PROT
ECT
10
XC IN
11
XC O
UT
15
X IN
13
X OU
T
32.768kHzX601
16MHzX602
3
X1
4
X2
5MHzRES701
T911
JW911
S901F919
JW913
DX20: AR,E2,E51,EA,SP
F914
DX20: AR,E2,E51,EA,SP
-VREG
+5VREG
Q911,D911-913
D541
VP (-30V)
+B
-B
POWERAMP
D681-684
EVER +5.7V
F1
AC1
AC1
AC3
AC3
AC4
AC4
F2
D902-905
ACIN
RELAYDRIVE
Q901
IC901 T901
31
+5.7VREG 13
RY901
+12VREG 31
+9VREG 31
CD POWERSWITCH
+5VREG 31
IC681 Q681,682
IC682
IC683
IC684
D+5V(SW)
A+5V(SW)
RDS +5V
BD +5V
EVER +5V
EVER +5.7V
D +5V
+5V(SW)
MIC +12V
+9V
M+7V
+7VD687-690
D686
D667
D661
D669
D670
STBY RELAY 86
38CD POWER
RESET 12 3 1
Q661 IC661
D383
D691-693
D664
D543 D542
JW912 JW6
JW5
JW3
JW1
66 B REC KEYREC(FWD)
90 B SHUTB-PHOTO
A
B
R-CH
L-CH
LOUT
L-CH
J301
J705
R-CH
R-CH
L-CH
R-CH
ERASE
L-CH
L-CH
JK704
INPUT SELECTTONE/VOL CONT
IC301
TUNER L43
CD L42
MD L47
32
24OUT R R CH31
MIC56
TC R
ELAY
BUFFER
Q213
MIC AMP
IC702(1/2)
AMP
IC702(2/2)
R-CH
19 6
9
2
1
11
5
AMCDETECT REMOTE
CONTROLRECEIVER
SEN701
Q210,211D203,204
A/B
Q217
Q227 Q222,225
D206
MIC +12V
Q220,221
BIAS OSC
Q223,L201 Q224,228
5681 8082917972767775
A
B
PB
REC
IC201
Q214
39 38 37 36 35 34
TAPE/ L45
INLE GAME49
DPLL157
D302
BPOU
T
C B A SCK
SI
–A DECK–HP101
PLAYBACKHEAD
–B DECK–HRPE101RECOD/
PLAYBACK/ERASEHEAD
CASETTEDECKUNIT
BIAS
PB A
/B
AMS
REC-
MUT
E
3878
-DAT
3878
-LAT
3878
-CLK
SP-L
ATA
SP-L
ATB
SP-L
ATC
SP-V
ACS
7
REC/ PB AMP
VIDEO
AUDIO
MOT
OR H
MOT
OR L
S701`/1
D701`/1
S726DISPLAY
37-58 61-68 69-80
LED DRIVERQ702-710
KEY MATRIXS713-725S727-738
S702,704,711S712 DX20
VOL
13
VOL
14
VDD
25
REM
OTE
IN
4
RESE
TM
-RES
ET
6
41
SBSY
S-BS
Y
10
3
SS-
LCK
7
2
SS-
OUT
9
1
SS-
IN
8
100
HEAD
PHON
ES
17
Q701-712,716-720
ROTARYENCODER
VR701
VOLUME
+5V (SW) D713
EVER +5V
D685
JW2
JW4
S901
VOLTAGE SELECTOR
230-240Vr
220Vr
120V
RY371
JACK701
F920
2424
MHC-DX20
6-3. PLACA DE CIRCUITO IMPRESSO – SEÇÃO BD – • Veja pág. 21 para localização das placas de circuito.
IC101
IC10
2
IC10
3
(Page 24)
ECN102
TP(VC)
TP(RF)
TP(TE0)
TP(FE0)
TP(FE1)
TP(D GND)
TP(AGC CON)
TP(XPCK)
18
19
2
1
M
23
23
Ref. No. Location
IC101 B-2IC102 C-3IC103 B-2
Q101 A3
• Localização doSemicondutor
2424
MHC-DX20
6-3. PLACA DE CIRCUITO IMPRESSO – SEÇÃO BD – • Veja pág. 21 para localização das placas de circuito.
IC101
IC10
2
IC10
3
(Page 24)
ECN102
TP(VC)
TP(RF)
TP(TE0)
TP(FE0)
TP(FE1)
TP(D GND)
TP(AGC CON)
TP(XPCK)
18
19
2
1
M
23
23
Ref. No. Location
IC101 B-2IC102 C-3IC103 B-2
Q101 A3
• Localização doSemicondutor
2525
MHC-DX20
6-4. DIAGRAMA ESQUEMÁTICO – SEÇÃO BD – • Veja pág. 21 para formas de onda • Veja págs. 42 para diagrama em bloco dos ICs.
IC B/D
IC B/D
IC B/D
CN102(Page 29)
E(5/5)
A X
2
1 1
16 16
2525
MHC-DX20
6-4. DIAGRAMA ESQUEMÁTICO – SEÇÃO BD – • Veja pág. 21 para formas de onda • Veja págs. 42 para diagrama em bloco dos ICs.
IC B/D
IC B/D
IC B/D
CN102(Page 29)
E(5/5)
A X
2
1 1
16 16
2626
MHC-DX20
6-5. PLACA DE CIRCUITO IMPRESSO – SEÇÃO PRINCIPAL – • Veja pág. 21 para localização das placas de circuito.
Ref. No. Location
• Localização dos SemicondutoresRef. No. Location
D101 D-11D104 C-9D107 D-9D108 C-8D203 E-5D204 E-5D205 F-5D206 E-3D207 G-5D301 E-6D302 C-5D303 B-6D361 F-8D372 G-10D383 E-9D601 D-3D602 D-3D661 B-4D662 B-4D663 B-5D664 B-5D665 B-5D666 C-4D667 B-4D668 B-4D669 B-4D670 B-6D681 G-9D682 H-8D683 G-9D684 H-8D685 G-6D686 F-7D687 G-9D688 G-9D689 G-9D690 G-9D691 F-6D692 F-6D693 F-6D694 G-10D695 G-10
IC101 C-10IC102 A-9IC103 D-9IC201 F-4IC301 D-7IC401 C-3IC661 B-5IC681 C-7IC682 G-6IC683 G-7IC684 G-6
Q101 C-9Q102 A-10Q103 C-9Q104 D-9Q105 D-9Q210 E-5Q211 E-5Q212 G-4Q213 E-3Q214 F-5Q215 G-5Q216 F-3Q217 F-3Q218 G-3Q219 G-3Q220 G-3Q221 G-3Q222 F-5Q223 H-4Q224 H-4Q225 F-5Q226 E-4Q227 G-5Q228 H-5Q229 E-4Q230 G-4Q301 H-6Q302 H-6Q361 D-3Q362 D-4Q363 F-9Q364 F-9Q365 F-9Q381 F-10Q382 F-10Q383 F-10Q384 E-10Q385 E-9Q386 E-9Q387 E-9Q601 D-3Q602 D-3Q603 D-3Q604 D-3Q605 D-3Q606 D-3Q661 B-5Q681 C-7Q682 D-8
JW031JW032
JW035 JW034
GND1
JW02
9
JW030
CLP3
JW054
JW059JW058
JW057
JW056
JW055
JW06
5
JW06
4JW
063
JW06
2
JW06
0JW
061
JW02
6JW
027
JW02
8
JW073
8
916
1
JW075JW074JW072
JW076
JW077
JW078
JW079
JW108
JW10
7JW
106
JW10
5
JW10
3
JW10
2JW
116
JW11
5
JW10
9
JW11
0
JW05
3
JW052
JW07
0
JW06
9
JW06
8 JW06
7JW
066
JW07
1
JW11
7
JW11
4 JW11
3JW
112
JW11
1
JW051
JW050
JW049
JW048
131
JW037
JW03
8
JW03
6
JW04
1
JW039JW040
JW04
2JW
043
JW04
4
JW15
7
JW15
6JW
153
JW15
5JW
154
JW15
2JW
151
JW04
6
JW04
5
1 13
JW150
JW04
7
12
13
JW018
JW01
7
JW016
JW001
JW021
JW014
JW013
JW02
0
JW01
5
1
24JW01
9
JW025
JW022
JW002
JW00
3
JW004
JW005
JW00
7
JW006
JW012
JW011
JW010JW009
JW008
12
1324
1JW08
4
JW08
3
JW08
2
JW08
5
JW08
7
JW08
6
191
JW08
9
JW08
8
JW023JW024
JW312
JW080
JW081
JW101
JW09
1JW
092
JW09
3
JW09
0
JW104
JW314
JW313
JW09
6
JW217
JW098
JW09
9
JW09
5
JW097
JW09
4
10
CLP2
JW232
JW23
1
JW23
0JW
228JW
229
JW100
1
JW23
9JW
238
JW23
7JW
236
JW23
5
JW24
3
JW24
2JW
241
JW24
0
JW250
JW251
JW22
3JW
222
JW22
1
JW22
0JW
219
JW256
JW227
RG30
RG30
JW22
6
JW25
4
JW22
4JW
225
JW252
JW25
3JW260
JW259
JW258JW257
JW316
JW315
JW26
9
JW289
JW290
JW298
JW29
9
JW297
JW291JW292JW293
JW281JW282
JW283JW285JW284
JW286JW287 JW288
JW294
JW319
JW244
JW246JW248
JW24
9
JW247
JW303
JW304
JW305
JW306
JW307
JW302
JW245
JW301
JW308
JW309JW310
JW311
30
JW30
0
29
JW16
1
JW16
2
JW15
8
JW16
3JW
164
JW15
9JW16
0JW173
JW165
JW171
JW17
4
JW172
JW16
7
JW166
JW17
5
JW16
9JW
170
JW176
JW17
8
JW147
JW148 JW31
7
JW318
JW12
2JW
125
JW12
8
JW133JW134 JW
118
JW12
3JW
124
JW139
JW130
JW137JW138
JW131
JW132JW13
5
JW136
JW145
JW146
JW11
9JW
120
JW12
1
JW12
6
JW129
JW20
3
JW214JW215
JW21
2
JW21
3
JW12
7
JW202
JW21
8 JW216
JW21
0JW
209
JW20
8JW
207
JW20
6
JW20
5JW
204
JW26
1
2
JW26
5JW
266
JW26
2
JW26
3JW
264
JW19
8
JW200
1
JW144
JW143
JW140
JW18
9JW
190
JW142JW141
JW19
3
JW191
JW19
2
JW19
5
JW19
9
JW19
7
JW19
6
JW18
8JW
187
JW18
5JW
186
JW18
3
JW18
2
JW27
2
JW27
3
17
16
JW268
JW26
7JW270
JW271JW277JW278
JW279JW280
JW201
JW275
12
JW274
CLP1
JW18
1
L371RG30
DX20
DX20
D694
R377R378
D695
RB101
Q382
C382
RY371
Q381
C302
C301
C381
JK101JK101
Q383
D688
Q386
Q384
Q365
C362
R362
Q364
C361
Q363
R361
C363
C697
Q385
JW2
C186C184
C181
C171
C383
Q387
IC103
X102C308
C681
C311
C307
JW11
JW12
IC683
C685C690C691
JW8D683
CN403
D681
D689
C683
C684
C693
CN402
L372
R379
D682
D684C694
D687
D690
JW9
R380
C104
FE101:DX20DX20
DX20
DX20
RG30
RG30
DX20
FE101:RG30
IC101
C676
Q102
T102:DX20
L671
C140
C133
C114
C113
C137
JW1
RV101
C106 C108
C135
C143
C144
C127
C136IFT101
CF101
C125
CF102
Q101
T101
C116
C117
X101
IC102
C677
CN102
C675C671
C658
Q682
C304
C312
C314
C303
C310 C309
C687
1 2 3
C686
Q681E
E
E
EEE
E
EE
E
E
E
E
E
IC681
C319
C327C339
C325
C328
C326
C333
C337
C338
C313
C318
C320 C315
1 64
32 33
C356
C317
C300
CN1
X602 C665 C661
C321
JW28
JW29
C662
Q661
IC66
1
C602
C663
X601
C364
C610
Q361
C699
C222
C698
C348
C689 C688
C347
Q301 Q302
JW16
8
Q227
C225
Q223
C239
C215
C234
Q215C230
Q212 C2
72
C214
C212
Q228
Q224C2
40
Q230
IC684
Q225C221
Q222
C257
IC682
C692
D691
D692
D693
C344
C334
C340
1617
4948
C342
C343
C349C345 C346
JW31
C256
CN2
Q362JW
32Q2
26
C218
C232
C233
C217
Q210 Q211
C236
C235
Q214
Q229 C2
70
C211
C213 C231
C229
C219
IC201
C209
CN203
Q219
Q218
Q213
C271
JW33DX20
Q605
Q603
Q601
Q602
Q604E
E
E
E
EE
E
E Q606
RV661
CN70
1
C241
C242
Q221
Q220
C210
L201CN202
C223
.1
0
JR607
.1
E
E
Q105
L109
L107 L108
C666
C657
R60
1
R60
3
FB4
C204
E
E
E E
E E
E
E E
E E
EE
E
E
E
E
E
EE
E
1 2 3 1 2 3 1 2 3
E
E
C205
R27
7R247
DX20
DX20
DX20
R205
R27
1
R202
R27
3R
275
C202
C201R201R240
R239
Q217Q216
R203
C203
C206
C208
R21
0
R22
4
R20
9
R229
C227R223
R227R22
1
C207
R20
7
C243
R215C265
R218
R270
R26
2
R673 R670
R21
7
R20
4D
206
R656
R640
R64
1 C605
R32
5
D30
2
R309
FB5
C664
C601
R63
3
R67
7R
674
R676R678
R60
6
D601JR10
JR8 R
679
R67
1
R628
R626R627 R659
R657
R658
R66
0
R63
2
R680 R63
7R
636
R63
5
R369
R37
0 R675
R672
R639
R638
JR4
R60
5
D602R602
R604
C611
R64
3
R63
4
R630
R629
R631
IC401
R308
R30
5
R30
6R
307
R31
5
R324
C350
R322R320
R321R31
8
R313
R314
R317
R31
6
IC301
D301
R23
1
R32
3
R34
2 R34
1R237
R219
R24
6
R256C235A1
R245
R249
D204
JR17R263
R25
7
D20
3
R235
R233
D20
5
R22
0
R250
D686
R26
1 R258
R22
2R
238
R264
C236
AR
231A
C237
C266
C224
R25
3
C226
JR7
R260R226
C238R225
R274
R27
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276 R22
8
R23
0R2
78R
214
R23
6
C244
R23
4R232
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R20
8 C228
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241R242
R20
6
R25
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248
D685
R24
3R
254
R36
8
R333
R337 R33
5
R331
R33
2
R338
R336
R334
R216
R25
5
D20
7R
244
R327D303
R340
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DX20
JR16
D670 JR15
C673
R64
7R
648JR
14
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2
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R655
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7
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8
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664
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5
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3C6
56
R66
4
R644
JR1
C607
C608
R66
3D
666
R665
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R607
C606
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5
C644
C614
R615
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4R
623
R62
1
R61
4
R610
R613R
612
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R60
9
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R62
2
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R649
R64
5
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608
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R620
R61
6
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9
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R11
2
R3
C112
R113PH671
1
3
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R116
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JR60
2
R104 JR641R12
3
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R7R109
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R107 JR109
C118
C123
R12
0
C124
C121
C122
R13
6
JR60
3
C119
JR60
6
C120
R12
2
R13
5
R11
1
C101
R121
R119 JR633
FB2
FB3
C672
C679 C678
JR640
C659
FB1
C674
D10
8R12
6 R11
8
R106
C374C3
72
C373
C371
C375
C376
D37
2
JR63
8
D36
1
C322
R36
7
JR636
JR63
9
Q104
R130
R129R128
R105C102
R103
R13
8
R68
1
R32
9R
339
C660
R172
R174
C175
D107
R32
8
R326
R181
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JR63
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C182
C180
C179
R175
C29
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117
R13
9
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1
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RG30
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8
R125
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4
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7
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0
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103
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124
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R133
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C185
C173
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R381
R383
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C352
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4
R303
R301
R302
C360
R38
7
R39
3
R38
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366
R36
5 R36
3R
364
R38
4
R38
8
R39
4
R386
R389
D38
3
C176
E
3
1
E
31 30
80 81
5051
1100
1 12
1324
1458
8 5 4 1
31
7
1
MAIN BOARD
DX20 RG3011
(14)21
(21)1-681-440-
DPOWER AMP
BOARD(Page 30)
POWER AMPBOARD
(Page 30)
F
APANELBOARD
(Page 32)
B
DRVERBOARD
(Page 36)
E
BDBOARD
(Page 22)
PH671CD DIGITAL OUT
OPTICAL
R-CH
L-CH
ERASE
R-CH
L-CH
A DECKPLAYBACK
TAPE DECK BLOCKSUPPLIED WITHTHE ASSEMBLED
BLOCK
B DECKRECORD/PLAYBACK/ERASE
J302SPEAKER
IMPEDANCEUSE 6-16Ω
–
+
L
–
+R
FM75Ω
AM
FM75Ω
AM
L
JK301MD/VIDEO(AUDIO)
R
2 3 4 5 6 7 8 9 10 11 12
A
1
B
C
D
E
F
G
H
I
2626
MHC-DX20
6-5. PLACA DE CIRCUITO IMPRESSO – SEÇÃO PRINCIPAL – • Veja pág. 21 para localização das placas de circuito.
Ref. No. Location
• Localização dos SemicondutoresRef. No. Location
D101 D-11D104 C-9D107 D-9D108 C-8D203 E-5D204 E-5D205 F-5D206 E-3D207 G-5D301 E-6D302 C-5D303 B-6D361 F-8D372 G-10D383 E-9D601 D-3D602 D-3D661 B-4D662 B-4D663 B-5D664 B-5D665 B-5D666 C-4D667 B-4D668 B-4D669 B-4D670 B-6D681 G-9D682 H-8D683 G-9D684 H-8D685 G-6D686 F-7D687 G-9D688 G-9D689 G-9D690 G-9D691 F-6D692 F-6D693 F-6D694 G-10D695 G-10
IC101 C-10IC102 A-9IC103 D-9IC201 F-4IC301 D-7IC401 C-3IC661 B-5IC681 C-7IC682 G-6IC683 G-7IC684 G-6
Q101 C-9Q102 A-10Q103 C-9Q104 D-9Q105 D-9Q210 E-5Q211 E-5Q212 G-4Q213 E-3Q214 F-5Q215 G-5Q216 F-3Q217 F-3Q218 G-3Q219 G-3Q220 G-3Q221 G-3Q222 F-5Q223 H-4Q224 H-4Q225 F-5Q226 E-4Q227 G-5Q228 H-5Q229 E-4Q230 G-4Q301 H-6Q302 H-6Q361 D-3Q362 D-4Q363 F-9Q364 F-9Q365 F-9Q381 F-10Q382 F-10Q383 F-10Q384 E-10Q385 E-9Q386 E-9Q387 E-9Q601 D-3Q602 D-3Q603 D-3Q604 D-3Q605 D-3Q606 D-3Q661 B-5Q681 C-7Q682 D-8
JW031JW032
JW035 JW034
GND1
JW02
9
JW030
CLP3
JW054
JW059JW058
JW057
JW056
JW055
JW06
5
JW06
4JW
063
JW06
2
JW06
0JW
061
JW02
6JW
027
JW02
8
JW073
8
916
1
JW075JW074JW072
JW076
JW077
JW078
JW079
JW108
JW10
7JW
106
JW10
5
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3
JW10
2JW
116
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5
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9
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0
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3
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9
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8 JW06
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066
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7
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4 JW11
3JW
112
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1
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JW050
JW049
JW048
131
JW037
JW03
8
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6
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1
JW039JW040
JW04
2JW
043
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4
JW15
7
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6JW
153
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5JW
154
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2JW
151
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6
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5
1 13
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7
12
13
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7JW016
JW001
JW021
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JW013
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0
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5
1
24JW01
9
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JW022
JW002
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3
JW004
JW005
JW00
7
JW006
JW012
JW011
JW010JW009
JW008
12
1324
1JW08
4
JW08
3
JW08
2
JW08
5
JW08
7
JW08
6
191
JW08
9
JW08
8
JW023JW024
JW312
JW080
JW081
JW101
JW09
1JW
092
JW09
3
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0
JW104
JW314
JW313
JW09
6
JW217
JW098
JW09
9
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5
JW097
JW09
4
10
CLP2
JW232
JW23
1
JW23
0JW
228JW
229
JW100
1
JW23
9JW
238
JW23
7JW
236
JW23
5
JW24
3
JW24
2JW
241
JW24
0
JW250
JW251
JW22
3JW
222
JW22
1
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JW256
JW227
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JW22
6
JW25
4
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JW252
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JW260
JW259
JW258JW257
JW316
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JW26
9
JW289
JW290
JW298
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9
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JW291JW292JW293
JW281JW282
JW283JW285JW284
JW286JW287 JW288
JW294
JW319
JW244
JW246JW248
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9
JW247
JW303
JW304
JW305
JW306
JW307
JW302
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JW301
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JW309JW310
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30
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0
29
JW16
1
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DX20
DX20
D694
R377R378
D695
RB101
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C382
RY371
Q381
C302
C301
C381
JK101JK101
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Q386
Q384
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C362
R362
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C361
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C697
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X102C308
C681
C311
C307
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JW12
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C685C690C691
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D681
D689
C683
C684
C693
CN402
L372
R379
D682
D684C694
D687
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C104
FE101:DX20DX20
DX20
DX20
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RG30
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FE101:RG30
IC101
C676
Q102
T102:DX20
L671
C140
C133
C114
C113
C137
JW1
RV101
C106 C108
C135
C143
C144
C127
C136IFT101
CF101
C125
CF102
Q101
T101
C116
C117
X101
IC102
C677
CN102
C675C671
C658
Q682
C304
C312
C314
C303
C310 C309
C687
1 2 3
C686
Q681E
E
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E
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C319
C327C339
C325
C328
C326
C333
C337
C338
C313
C318
C320 C315
1 64
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C317
C300
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C321
JW28
JW29
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C663
X601
C364
C610
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C699
C222
C698
C348
C689 C688
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8
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C225
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E
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1 2 3 1 2 3 1 2 3
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R27
7R247
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1
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R239
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C203
C206
C208
R21
0
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1
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7
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206
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5
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307
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5
R324
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R322R320
R321R31
8
R313
R314
R317
R31
6
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D301
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1
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3
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R219
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6
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339
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117
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0
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103
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124
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R133
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R383
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C352
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4
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R301
R302
C360
R38
7
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3
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366
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5 R36
3R
364
R38
4
R38
8
R39
4
R386
R389
D38
3
C176
E
3
1
E
31 30
80 81
5051
1100
1 12
1324
1458
8 5 4 1
31
7
1
MAIN BOARD
DX20 RG3011
(14)21
(21)1-681-440-
DPOWER AMP
BOARD(Page 30)
POWER AMPBOARD
(Page 30)
F
APANELBOARD
(Page 32)
B
DRVERBOARD
(Page 36)
E
BDBOARD
(Page 22)
PH671CD DIGITAL OUT
OPTICAL
R-CH
L-CH
ERASE
R-CH
L-CH
A DECKPLAYBACK
TAPE DECK BLOCKSUPPLIED WITHTHE ASSEMBLED
BLOCK
B DECKRECORD/PLAYBACK/ERASE
J302SPEAKER
IMPEDANCEUSE 6-16Ω
–
+
L
–
+R
FM75Ω
AM
FM75Ω
AM
L
JK301MD/VIDEO(AUDIO)
R
2 3 4 5 6 7 8 9 10 11 12
A
1
B
C
D
E
F
G
H
I
2727
MHC-DX20
6-6. DIAGRAMA ESQUEMÁTICO – SEÇÃO PRINCIPAL (1/5) – • Veja pág. 42 para diagrama em bloco dos ICs.
IC201
Q210Q211
Q217
Q219
Q220
Q221
Q224
Q218
Q222
Q223
Q216
Q214
Q215
R234
R232
R232A
R214
R216 C244
R272
R278
R276
R274R237 R220
R208
R206
R201
R202
R239
R240
R210
C206
C203
C204
C201
C202
R228 R230
R222
R224
C224
JR17
R258
R256
R249
R257 R261R250 R218
R238
R264
C235A
R262R263
R236
R217 C265 C207R209
C205
C208
R205
R223
C237R229 R227
R207R271
R273
R275
R277
R215R247C243
R226
R231
R231A
R233
JR7
R252
R241R242
R245
R243R244
R246
R251 R248
C266
R260
R253
R254
C240
C215C221
C256
C235
C236
C270
R270
C230
C229
C217
C210
R203
R204
CN202
C209
C271 C213
C272
C218
C257
C236A
C233
C242
C241
C239
L201
C223
Q213
R225
R221
C211
C234
C214 C212
Q212
R235
Q228Q225
Q227
D206
D203
D204
D207
D205
R219
C219
C222
C225
C231
C232
C226
C238
Q229
Q226
Q230R255
R259
CN203
C228
C227
TA8189N
2SC27852SC2785
2SC3623A
2SC2785
2SC2785
2SC2785
2SC2785
2SC2785
2SC2785
2SC2001
2SC3623A
2SC3623A
2SC3623A
68k
2.2k
1k
4.7k
100k 0.0015
1M
100k
4.7k
1.5k10k 22k
8.2k
47
10
10
10k
10k
270k
220p
680p
680p
680p
680p
120k 1.8k
220
180k
470p
0
220
10k
680k
390 390180k 180k
680k
10k
47p
100k10k
4.7k
10k 0.01 220p270k
220p
220p
47
180k
470p1.8k 120k
8.2k1M
1.5k
4.7k
100k
4.7k100k0.0015
22k
2.2k
1k
68k
0
27k
4.7k4.7k
10k
2.2k27k
4.7k
2.2k 12k
0.022
390
10k
4.7k
4716V
2.250V4.7
50V
150V
150V
10016V
10016V
220
10010V
10010V
4716V
4716V
10
10
4716V
150V
150V
150V
4716V
0.150V
47p
0,01uFMC
0.001MC
0.0047MC
0.015MC 0.022
MC
2SC2785
22k
10k
0.018MC
0,01uFMC
150V
0.018MC
2SC2785
4.7k
2SB1116A2SB1116A
2SB1116ABUFFER
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
2SC3623A-LKMUTE
DTA124ESSWITCH
2SC3623A-LKMUTE
1k
1k
3P
47p
47p89
10
11
12
7 6 54 3 2 113
*
*50V
*50V
*50V
*50V
*50V
*
*
REC/PB PRE AMP
HEADPLAYBACK
L-CH
R-CH
ERASEHEAD
RECORD/PLAYBACK
HRP101-B DECK-
-A DECK-HP101
L-CH
R-CH
AMPQ210,211
MUTE
MUTE
OSCBIAS
BIAS OSC
123
4
5
6
7 8
9
SWITCHQ220,221
AMP
SWITCHQ218,219
BIAS OSCQ224,228
B+ SWITCH
SWITCH
SWITCH
AMP
*R219
47k10k
RG30DX20
RG30DX20
*C2193.32.2
RG30DX20
3.3
*C222
4.7
RG30DX20
3.34.7
*C225
RG30DX20
3.3*C231
0.47
RG30DX200.47
*C232
RG30DX20
*C226
0.00220.0018
RG30DX20
0.00220.0018
*C238
SWITCHQ222,225
DX20
DX20
GND
REC
NF GND
MIX
PRE
MET
AL
NF CH1/
A
CH1/
B
OUT
OUT
OUT
M/H
REC
OUT
IN
PRE
MET
AL
OUT
OUT NFREC NFIN
REC
OUT
TAPE A/
B
CH2/
B
CH2/
ACD VCC
ALC
0.33
MAINBOARD(4/5)(Page 28)
MAINBOARD(3/5)
MAINBOARD(2/5)
(Page 27)
(Page 26)
2727
MHC-DX20
6-6. DIAGRAMA ESQUEMÁTICO – SEÇÃO PRINCIPAL (1/5) – • Veja pág. 42 para diagrama em bloco dos ICs.
IC201
Q210Q211
Q217
Q219
Q220
Q221
Q224
Q218
Q222
Q223
Q216
Q214
Q215
R234
R232
R232A
R214
R216 C244
R272
R278
R276
R274R237 R220
R208
R206
R201
R202
R239
R240
R210
C206
C203
C204
C201
C202
R228 R230
R222
R224
C224
JR17
R258
R256
R249
R257 R261R250 R218
R238
R264
C235A
R262R263
R236
R217 C265 C207R209
C205
C208
R205
R223
C237R229 R227
R207R271
R273
R275
R277
R215R247C243
R226
R231
R231A
R233
JR7
R252
R241R242
R245
R243R244
R246
R251 R248
C266
R260
R253
R254
C240
C215C221
C256
C235
C236
C270
R270
C230
C229
C217
C210
R203
R204
CN202
C209
C271 C213
C272
C218
C257
C236A
C233
C242
C241
C239
L201
C223
Q213
R225
R221
C211
C234
C214 C212
Q212
R235
Q228Q225
Q227
D206
D203
D204
D207
D205
R219
C219
C222
C225
C231
C232
C226
C238
Q229
Q226
Q230R255
R259
CN203
C228
C227
TA8189N
2SC27852SC2785
2SC3623A
2SC2785
2SC2785
2SC2785
2SC2785
2SC2785
2SC2785
2SC2001
2SC3623A
2SC3623A
2SC3623A
68k
2.2k
1k
4.7k
100k 0.0015
1M
100k
4.7k
1.5k10k 22k
8.2k
47
10
10
10k
10k
270k
220p
680p
680p
680p
680p
120k 1.8k
220
180k
470p
0
220
10k
680k
390 390180k 180k
680k
10k
47p
100k10k
4.7k
10k 0.01 220p270k
220p
220p
47
180k
470p1.8k 120k
8.2k1M
1.5k
4.7k
100k
4.7k100k0.0015
22k
2.2k
1k
68k
0
27k
4.7k4.7k
10k
2.2k27k
4.7k
2.2k 12k
0.022
390
10k
4.7k
4716V
2.250V4.7
50V
150V
150V
10016V
10016V
220
10010V
10010V
4716V
4716V
10
10
4716V
150V
150V
150V
4716V
0.150V
47p
0,01uFMC
0.001MC
0.0047MC
0.015MC 0.022
MC
2SC2785
22k
10k
0.018MC
0,01uFMC
150V
0.018MC
2SC2785
4.7k
2SB1116A2SB1116A
2SB1116ABUFFER
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
2SC3623A-LKMUTE
DTA124ESSWITCH
2SC3623A-LKMUTE
1k
1k
3P
47p
47p89
10
11
12
7 6 54 3 2 113
*
*50V
*50V
*50V
*50V
*50V
*
*
REC/PB PRE AMP
HEADPLAYBACK
L-CH
R-CH
ERASEHEAD
RECORD/PLAYBACK
HRP101-B DECK-
-A DECK-HP101
L-CH
R-CH
AMPQ210,211
MUTE
MUTE
OSCBIAS
BIAS OSC
123
4
5
6
7 8
9
SWITCHQ220,221
AMP
SWITCHQ218,219
BIAS OSCQ224,228
B+ SWITCH
SWITCH
SWITCH
AMP
*R219
47k10k
RG30DX20
RG30DX20
*C2193.32.2
RG30DX20
3.3
*C222
4.7
RG30DX20
3.34.7
*C225
RG30DX20
3.3*C231
0.47
RG30DX200.47
*C232
RG30DX20
*C226
0.00220.0018
RG30DX20
0.00220.0018
*C238
SWITCHQ222,225
DX20
DX20
GND
REC
NF GND
MIX
PRE
MET
AL
NF CH1/
A
CH1/
B
OUT
OUT
OUT
M/H
REC
OUT
IN
PRE
MET
AL
OUT
OUT NFREC NFIN
REC
OUT
TAPE A/
B
CH2/
B
CH2/
ACD VCC
ALC
0.33
MAINBOARD(4/5)(Page 28)
MAINBOARD(3/5)
MAINBOARD(2/5)
(Page 27)
(Page 26)
2828
MHC-DX20
6-7. DIAGRAMA ESQUEMÁTICO - SEÇÃO PRINCIPAL (2/5) – • Veja pág. 21 para formas de onda. • Veja pág. 42 para diagrama em bloco dos IC's.
JK101 R3
C103
R104
C104
R107
R101
R102
R108
R103
CF101
CF102
C102 R105
C149
R139
C110 R117
C111
C29
L1081µH
R111
R112
R113
R114
R115
R116
C112 C114 C115
C116 C117
C118
R135
R136
C119
R118
R119
R120
R121
R122
R123
C120X101
C123 C124
R124 C125 C126 RV101C128
C129 C130C134
C135
C136
C171
C172
C173
C175
C176
C127
R126
R127
R128
R129
C106C107
C108
R110
C141
C143
C137C138
R131
R132
R137
C140 R130
R4
Q105
R174
R175
R138
R183 C184
C186
C187
X102
C182 C183
R181
C179 C180
C181
R177
R7
T102
R109
D101
R171
C144
C101
C113
C121 C122
JK101
D107
R172
L109
JR637
JR636
JR639
Q103
Q104
R133 R134
C131 C132
C133
R125
T101
C142
C139
JR633
Q102
C105
Q101
R106JR606
L107
L107
JR634
JR635
JR603
JR11
0
JR60
7
JR10
9
JR641
JR642 JR602
D104
D108
0
0.01
150
4716V
0
47
680
330
680
0.01 1.5k
4p
0
0.01 100k
0.01
33p
100
4.7k
4.7k
4.7k
10k
100
0.01 4716V 0.01
2.250V
4716V
0.01
4.7k
3.3k
0.01
100
10k
10k
1k
10k
10k
0.014.5MHz
0.001 0.001
220 4716V 0.01 22k
0.01
0.01 0.010.047
4.750V
4.750V
4716V
0.1
560p
330p
0.01
150V
4.7k
2.2k
560
560
10016V 0.01
1050V
10k
0.047
2216V
1050V
560p
12k
2.2k
100
150V
10k
0
2SC2412K
1k
470
100
4.7k 2.250V
1050V
0.01
4.332MHz
56p 56p
4.7k
0.01 0.01
2.250V
100
0
47
DA204K
100
4716V
0.01
0.4750V
22pCH
33pCH
1SS3
55TE
100k
0
0
0
0
2SC1623
2SC1623
0.2250V
4.7k
0
UN4111
0.01
2SC2410SN
0
0
0
0
0
0
0 0
0
0 0
-TTDTZ 11-6.8B
1SS355TE
541613 14 X1 X2
10
2021222324
25 26 2728
*2 *2
*1 *1
*
*
*
FM
AM
XIN
VCO
CE DI CLK
DO FM MW
FM IFIF F
EO
FM/A
M
XOUT
GMND VT
2
PD1
PD2
VT1I
N
VT1 B+ SW
VT2I
N
FM O
SC
AM O
SC
REG
AFC
AGC
MPX
MPX
OSC/
OUT
AM R
F
AM M
IX
AM IF
AM/F
M O
UT
VCO
STOPOS
C
VCC
GND
AM/F
M
L OU
T
R OU
T
IF O
UT
IF M
UT
ST L
ED
TU L
ED
FM D
ET
FM S
D
FM IF
FM75 Ω
75 Ω
AM
ST L
ED
TU L
ED
ST M
UTE
RCLK
+BGND
VTGND
GND
ANT
IN
OSC
OUTGA
FE101
+BGND
VTGND
GND
ANT
IN
OSC
OUT
FE101
IF O
UT
IF O
UT
RDSDECODER
RB101
IFT101
IC103BU1924
IC102LC72130
IC101BA1450
CED
PB641
PLL
FM/AMFRONTEND,IF AMP,MPX
AMP
RG30
QUAL
RDAT
A
VREF
MUX
VDD1
VSS1
VSS3
CMP
RCLK
NC XO XI VDD2
VSS2
T1 T2
RG30DX20
DX20
RG30
AMPQ103,104
DX20
*2 R133,134
470DX200.015FM TUNED LEVEL
DX20100P
*C142
DX20
*C139
220P
RG30
DX20
+BSWITCH
RF IF AMP
DX20
*R106
330 RG30
33µH
DX20
RG30
RG30
DX20
DX20
*1 C131,132
MAIN BOARD(3/5)
(Page 27)
MAIN BOARD(4/5)
MAIN BOARD(5/5)
(Page 28)(Page 29)
MAIN BOARD(1/5)(Page 25)
46
2828
MHC-DX20
6-7. DIAGRAMA ESQUEMÁTICO - SEÇÃO PRINCIPAL (2/5) – • Veja pág. 21 para formas de onda. • Veja pág. 42 para diagrama em bloco dos IC's.
JK101 R3
C103
R104
C104
R107
R101
R102
R108
R103
CF101
CF102
C102 R105
C149
R139
C110 R117
C111
C29
L1081µH
R111
R112
R113
R114
R115
R116
C112 C114 C115
C116 C117
C118
R135
R136
C119
R118
R119
R120
R121
R122
R123
C120X101
C123 C124
R124 C125 C126 RV101C128
C129 C130C134
C135
C136
C171
C172
C173
C175
C176
C127
R126
R127
R128
R129
C106C107
C108
R110
C141
C143
C137C138
R131
R132
R137
C140 R130
R4
Q105
R174
R175
R138
R183 C184
C186
C187
X102
C182 C183
R181
C179 C180
C181
R177
R7
T102
R109
D101
R171
C144
C101
C113
C121 C122
JK101
D107
R172
L109
JR637
JR636
JR639
Q103
Q104
R133 R134
C131 C132
C133
R125
T101
C142
C139
JR633
Q102
C105
Q101
R106JR606
L107
L107
JR634
JR635
JR603
JR11
0
JR60
7
JR10
9
JR641
JR642 JR602
D104
D108
0
0.01
150
4716V
0
47
680
330
680
0.01 1.5k
4p
0
0.01 100k
0.01
33p
100
4.7k
4.7k
4.7k
10k
100
0.01 4716V 0.01
2.250V
4716V
0.01
4.7k
3.3k
0.01
100
10k
10k
1k
10k
10k
0.014.5MHz
0.001 0.001
220 4716V 0.01 22k
0.01
0.01 0.010.047
4.750V
4.750V
4716V
0.1
560p
330p
0.01
150V
4.7k
2.2k
560
560
10016V 0.01
1050V
10k
0.047
2216V
1050V
560p
12k
2.2k
100
150V
10k
0
2SC2412K
1k
470
100
4.7k 2.250V
1050V
0.01
4.332MHz
56p 56p
4.7k
0.01 0.01
2.250V
100
0
47
DA204K
100
4716V
0.01
0.4750V
22pCH
33pCH
1SS3
55TE
100k
0
0
0
0
2SC1623
2SC1623
0.2250V
4.7k
0
UN4111
0.01
2SC2410SN
0
0
0
0
0
0
0 0
0
0 0
-TTDTZ 11-6.8B
1SS355TE
541613 14 X1 X2
10
2021222324
25 26 2728
*2 *2
*1 *1
*
*
*
FM
AM
XIN
VCO
CE DI CLK
DO FM MW
FM IFIF F
EO
FM/A
M
XOUT
GMND VT
2
PD1
PD2
VT1I
N
VT1 B+ SW
VT2I
N
FM O
SC
AM O
SC
REG
AFC
AGC
MPX
MPX
OSC/
OUT
AM R
F
AM M
IX
AM IF
AM/F
M O
UT
VCO
STOPOS
C
VCC
GND
AM/F
M
L OU
T
R OU
T
IF O
UT
IF M
UT
ST L
ED
TU L
ED
FM D
ET
FM S
D
FM IF
FM75 Ω
75 Ω
AM
ST L
ED
TU L
ED
ST M
UTE
RCLK
+BGND
VTGND
GND
ANT
IN
OSC
OUTGA
FE101
+BGND
VTGND
GND
ANT
IN
OSC
OUT
FE101
IF O
UT
IF O
UT
RDSDECODER
RB101
IFT101
IC103BU1924
IC102LC72130
IC101BA1450
CED
PB641
PLL
FM/AMFRONTEND,IF AMP,MPX
AMP
RG30
QUAL
RDAT
A
VREF
MUX
VDD1
VSS1
VSS3
CMP
RCLK
NC XO XI VDD2
VSS2
T1 T2
RG30DX20
DX20
RG30
AMPQ103,104
DX20
*2 R133,134
470DX200.015FM TUNED LEVEL
DX20100P
*C142
DX20
*C139
220P
RG30
DX20
+BSWITCH
RF IF AMP
DX20
*R106
330 RG30
33µH
DX20
RG30
RG30
DX20
DX20
*1 C131,132
MAIN BOARD(3/5)
(Page 27)
MAIN BOARD(4/5)
MAIN BOARD(5/5)
(Page 28)(Page 29)
MAIN BOARD(1/5)(Page 25)
46
2929
MHC-DX20
6-8. DIAGRAMA ESQUEMÁTICO - SEÇÃO PRINCIPAL (3/5) –
R301
R302
R303
R304
R307
R308
R309
R363
R364
R365R366
R367
R368
R369
R393 R394
R324
R341
R342
R331
R332
R333
R334
R335
R336
R337
R338
Q301
Q302
R325R326
R328
R329
R305R306
R327
C301
C302
C303
C304
C312
C313
C315
C356
C300
C317
C318
C319
C307C308 C309 C310
C311
C333 C334
C337
R313
R314
R315
R316
C338
C339
C340
C344
R317
R318
C342
C343
R320
C345
C346
C347
C348
R323
C349
C350
C321
Q363
Q364
C364
C363
C360
C322
R339 R340
C325 C326
C361 R361
R362C362
C320 C327 C328
JK301
R322
R321
D302
D303
D361
C351
C352
D301
C314
Q365
Q362
Q361
R370
10k
10k
27k
27k
15k
15k
1M
1k
1k
47k10k
1k
100k
22k
56 56
10k
220
220
4.7k
4.7k
2.2k
2.2k
100k
100k
10k
10k
2SC3623A
2SC3623A
15k10k
3.3k
3.3k
2.2k2.2k
2.2k
4.750V
4.750V
4.750V
4.750V
0.1
0.047
4.750V
4.750V
0.1
0.22
0.22
0.22
4.750V
4.750V
4.750V
4.750V
1050V
0.0022 0.0022
0.047
100k
100k
33k
33k
0.047
0.047
0.047
1050V
100k
270k
0.1
0.1
150k
22016V
0.27
1050V
1050V
220
10010V
0.22
0.033
2SC3623A
2SC3623A
2.250V
4750V
0.1
0.1
6.8k 6.8k
0.022 0.022
4.7100VBP
6802W
6802W
4.7100VBP
0.22 0.022 0.022
10k
10k
1SS3
55TE
1SS355TE
1SS355TE
UDZSTE-179.1B
4.750V
DTA124ES
DTA124ES
DTC114ES
X1 X2
36 37 38 48 41
52
21
20
515049
43
18
812
13 14
2728
11
9
53
567808182ABC
E D
*
*
*
F1L1
F1L2
F1R1
F1R2
F2L1
F2L2
F2R1
F2R2
F3L1
F3L2
F3R1
F3R2
F4L1
F4L2
F4R1
F4R2
F5L
F5R
VCC
CAP
FILTER
HPFL1
HPFL2
HPFL3
HPFR1
HPFR2
HPFR3
ALCC
ALCR
BASS1
BASS2
BASS3
OUT R
OUT L
C B A
SCK SI
SETP
C
MD
R
TAPE
R
TUNE
R R
CD R
MD
L
TAPE
L
TUNE
R L
CD L
BP N
F
BP O
UT
INLEGAME
GAMEINRE
PS1
PS2
DPLR2
DPLR1
DPLL2
DPLL1
REC R
REC L
VFC1
GND
VFC2
MIC
IC301BH3878KS2
R
L
DX20
*C351,352
470P
(AUDIO)MD/VIDEO
MUTE
MUTE
DX20
MUTECONTROL
MUTECONTROL
Q361,362MUTE
Q363,364
RG30DX20
*R3704.7k1.5k
INPUT SELECT,TONE/VOLUME CONTROL
MAIN BOARD(5/5)(Page 29)
(1/5)
MAIN BOARD(Page 25)
MAIN BOARD(5/5)(Page 29)
MAIN BOARD(4/5)
MAIN BOARD(4/5)
(Page 28)
(Page 28)
MAIN BOARD(5/5)(Page 29)
MAIN BOARD(2/5) MAIN BOARD(4/5) (Page 28)(Page 26)
2929
MHC-DX20
6-8. DIAGRAMA ESQUEMÁTICO - SEÇÃO PRINCIPAL (3/5) –
R301
R302
R303
R304
R307
R308
R309
R363
R364
R365R366
R367
R368
R369
R393 R394
R324
R341
R342
R331
R332
R333
R334
R335
R336
R337
R338
Q301
Q302
R325R326
R328
R329
R305R306
R327
C301
C302
C303
C304
C312
C313
C315
C356
C300
C317
C318
C319
C307C308 C309 C310
C311
C333 C334
C337
R313
R314
R315
R316
C338
C339
C340
C344
R317
R318
C342
C343
R320
C345
C346
C347
C348
R323
C349
C350
C321
Q363
Q364
C364
C363
C360
C322
R339 R340
C325 C326
C361 R361
R362C362
C320 C327 C328
JK301
R322
R321
D302
D303
D361
C351
C352
D301
C314
Q365
Q362
Q361
R370
10k
10k
27k
27k
15k
15k
1M
1k
1k
47k10k
1k
100k
22k
56 56
10k
220
220
4.7k
4.7k
2.2k
2.2k
100k
100k
10k
10k
2SC3623A
2SC3623A
15k10k
3.3k
3.3k
2.2k2.2k
2.2k
4.750V
4.750V
4.750V
4.750V
0.1
0.047
4.750V
4.750V
0.1
0.22
0.22
0.22
4.750V
4.750V
4.750V
4.750V
1050V
0.0022 0.0022
0.047
100k
100k
33k
33k
0.047
0.047
0.047
1050V
100k
270k
0.1
0.1
150k
22016V
0.27
1050V
1050V
220
10010V
0.22
0.033
2SC3623A
2SC3623A
2.250V
4750V
0.1
0.1
6.8k 6.8k
0.022 0.022
4.7100VBP
6802W
6802W
4.7100VBP
0.22 0.022 0.022
10k
10k
1SS3
55TE
1SS355TE
1SS355TE
UDZSTE-179.1B
4.750V
DTA124ES
DTA124ES
DTC114ES
X1 X2
36 37 38 48 41
52
21
20
515049
43
18
812
13 14
2728
11
9
53
567808182ABC
E D
*
*
*
F1L1
F1L2
F1R1
F1R2
F2L1
F2L2
F2R1
F2R2
F3L1
F3L2
F3R1
F3R2
F4L1
F4L2
F4R1
F4R2
F5L
F5R
VCC
CAP
FILTER
HPFL1
HPFL2
HPFL3
HPFR1
HPFR2
HPFR3
ALCC
ALCR
BASS1
BASS2
BASS3
OUT R
OUT L
C B A
SCK SI
SETP
C
MD
R
TAPE
R
TUNE
R R
CD R
MD
L
TAPE
L
TUNE
R L
CD L
BP N
F
BP O
UT
INLEGAME
GAMEINRE
PS1
PS2
DPLR2
DPLR1
DPLL2
DPLL1
REC R
REC L
VFC1
GND
VFC2
MIC
IC301BH3878KS2
R
L
DX20
*C351,352
470P
(AUDIO)MD/VIDEO
MUTE
MUTE
DX20
MUTECONTROL
MUTECONTROL
Q361,362MUTE
Q363,364
RG30DX20
*R3704.7k1.5k
INPUT SELECT,TONE/VOLUME CONTROL
MAIN BOARD(5/5)(Page 29)
(1/5)
MAIN BOARD(Page 25)
MAIN BOARD(5/5)(Page 29)
MAIN BOARD(4/5)
MAIN BOARD(4/5)
(Page 28)
(Page 28)
MAIN BOARD(5/5)(Page 29)
MAIN BOARD(2/5) MAIN BOARD(4/5) (Page 28)(Page 26)
3030
MHC-DX20
6-9. DIAGRAMA ESQUEMÁTICO - SEÇÃO PRINCIPAL (4/5) – • Veja pág. 21 para formas de onda • Veja pág. 39 para descrição dos pinos dos IC's.
R601
R602
JR10
R603
R604
R605
R606
JR8
D691C692
R676 R677 R678 R679R671 R672
R673
R674 R675
Q661
CN1
R607
R608
R610
R612R613
R614
R615
R616
R618
R619
R620
R621
R622
R623R624
JR15JR1
C607C608
R644
X601X602
R645
R649R650
JR11
JR16
R655
R665
R661
R663
R664 C665
R632
R634
R635
R633
R636
R637
R643
C601
C602
FB5
C664
C603
C604
C605
C606R656
R626 R627 R628 R629 R630 R631 R658
R657C6
11
C610
FB4
R625
C644 FB6
RV661
CN2
D692 D693
R617
C614
TP71
R647
JR14
R648
R646
C656
C663
C662
R662
C681
JR4
C666
C613
C612
C661
D601
D602
D669
D670
D665
D661 D662
D664
D667
D668
D663
D666
R640
R641
R638
R670
C657
C658
C659
C660
R660
R659
R680
CN701
R611
R609
Q601
Q603
Q605
Q602
Q604
Q606
1k
680
0
1k
680
1k
680
0
11ES247016V
47k 47k 47k 47k47k 47k
47k
47k 47k
2SC2785
10P
100
100
100
10010k
100
100
100
10k
100
220
220
100
100100
00
18p15p
330k
32.7
68kH
z
16MHz10k
10k10k
0
0
0
10k
4.7k
47k
47k10006.3V
10k
10k
100
100
100
100
1k
0.1
1050V
0
0.01
220p
220p220p
220p100
100 100 100 100 100 100
100
10k
0.01 10
50V
0
10k
0.1 0
2.2k
17P
11ES2 11ES2
100
0.1
00
0
10k
0.1
0.1
0.1
1k
0.1
0
0.1
0.001
0.001
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE 1SS355TE
1SS355TE
1SS3
55TE
1SS3
55TE
1SS355TE
1SS355TE
0
3.3k
0.1
0.1
0.1
0.1
100
10k
10k
30P
10k
10k
DTC114ES
DTC114ES
DTC114ES
2SB1116A
2SB1116A
2SB1068
6
54
52
43
4039
4950
3534
51
24 25
17
26 2930
4647
7 53
X3 2223
44
4 5 1 3 213
57
1234
1
234
97
100
E
D
C
41
A
B
F
GH
66
67
68
69
7071
89
90
202122232425262728
32
33
34
35
37
40
42
43
44
45
46
47
48
49
60 61 65 66 67 68 69 70 71 73 74
80 81 82
J
I
K
95
918384
85
86
60
61
65
4445
46474849
19
83
84
85
86
88
91
89
90
7374
100
38
41
88
6
95
IJK
97
*
*1
*2
1
5
10
15
20
25
30
SENS
HOLD
XLT
XRST
OPEN
CLOSE
SQ DAT
SQ CLK
CD DAT OUT
CANT USE
CD CLK
CD POWER
CLOCK OUT
M RESET
LOAD IN
LOAD OUT
UP/DOWN
T SENS
GAME/DVD
PROTECT
VACS
AVSS
POWER
AVCC
S IN
AV REF
VIDEO SW2
SPEC IN
MODE IN
SP/VACS
B SHUT
ASHUT
FRONT RELAY
REAR RELAY
STB RELAY
STK MUT
LINE MUT
SP LATC
SP LATB
VDD
VSS
AMS
BIAS
SP L
ATA
REC
MUT
PB M
UT
TC R
ELAY
PB A
/B
POW
ER K
EY
DISP
LAY
KEY
B PL
AY
A PL
AY
B HA
LF
A HA
LF
B RE
C RE
W
B RE
C KE
Y
CAPM
CON
T
SOFT
TES
T
B TR
G
A TR
G
SUR3
SUR2
SUR1
494
LT
494
CLK
494
DAT
REAR
MUT
CENT
MUT
NO U
SEVC
D
VCD
SCOR
NMI
VCC
XIN
VSS
XOUT
RESE
T
CNXS
S
BYTE
NO USE
S OU
T
S CL
K
S BS
Y
REM
OTE
IN
3878
DAT
3878
LAT
3878
CLK
XC IN
XC O
UT
AC O
UT
RDS
INT
RDS
DATA
ST M
UTE
STER
EO(IN
)
TUNE
D
ST C
E
ST D
OUT
ST D
IN
ST C
LK
IC401M30622MAA
IC661M51943BSL
GND
VFVP
VFVFGND
GAME LGAME GNDGAME R
POWER ONVIDEO SWPOWER KEYDISPLAY KEYM RESETREMOTE INS BSYS CLKS OUTS INNO USELED GNDMIC +12VMIC SIGMIC GNDHP RHP GNDHP LD GNDEVER +5V+5V(SW)
MTR CTN2M GND
MTR CTN1M +7VD +5VOPEN SWCLOSE SWUP/DOWN SWADDRESS SWD GND
GND NC
CAPM
+
NCNC
A HA
FEA
MOD
EA
PHOT
OA
SOL
B HA
FEB
MOD
EB
PHOT
OB
SOL
RESET
MOT
OR H
MOT
OR L
REC(
FWD)
REC(
REW
)
MT GND
MASTERCONTROL
DX20
*C661
22/50V
RESETQ661
INV.
RG30DX20
47k10k
RG30
*1 R64033k47k
*2 R641
1.5k22k
TAPE SPEED
TAPE DECK BLOCK
SUPPLIED WITHTHE ASSSENBLED
BLOCK( (
DX20DX
20
Q601,602A TRIG DRIVE
A TRIG DRIVEQ603,604
Q605,606CAP MOTOR DRIVE
DX20:EADX20:KR,SP,TH
AR,E2,E51,MXDX20:
MAINBOARD(3/5)
MAINBOARD(2/5)
(Page 26)
(Page 27)
MAINBOARD(5/5)
(Page 29)
MAINBOARD(3/5)
(Page 27)
MAINBOARD(5/5)
(Page 29)
MAINBOARD(5/5)
(Page 29)
MAINBOARD(5/5)(Page 29)
BOARDCN701
DRIVER
(Page 36)
BOARDPANEL
CN711(Page 33)
MAINBOARD(3/5) (Page 27)
MAINBOARD(1/5)(Page 25)
3030
MHC-DX20
6-9. DIAGRAMA ESQUEMÁTICO - SEÇÃO PRINCIPAL (4/5) – • Veja pág. 21 para formas de onda • Veja pág. 39 para descrição dos pinos dos IC's.
R601
R602
JR10
R603
R604
R605
R606
JR8
D691C692
R676 R677 R678 R679R671 R672
R673
R674 R675
Q661
CN1
R607
R608
R610
R612R613
R614
R615
R616
R618
R619
R620
R621
R622
R623R624
JR15JR1
C607C608
R644
X601X602
R645
R649R650
JR11
JR16
R655
R665
R661
R663
R664 C665
R632
R634
R635
R633
R636
R637
R643
C601
C602
FB5
C664
C603
C604
C605
C606R656
R626 R627 R628 R629 R630 R631 R658
R657C6
11
C610
FB4
R625
C644 FB6
RV661
CN2
D692 D693
R617
C614
TP71
R647
JR14
R648
R646
C656
C663
C662
R662
C681
JR4
C666
C613
C612
C661
D601
D602
D669
D670
D665
D661 D662
D664
D667
D668
D663
D666
R640
R641
R638
R670
C657
C658
C659
C660
R660
R659
R680
CN701
R611
R609
Q601
Q603
Q605
Q602
Q604
Q606
1k
680
0
1k
680
1k
680
0
11ES247016V
47k 47k 47k 47k47k 47k
47k
47k 47k
2SC2785
10P
100
100
100
10010k
100
100
100
10k
100
220
220
100
100100
00
18p15p
330k
32.7
68kH
z
16MHz10k
10k10k
0
0
0
10k
4.7k
47k
47k10006.3V
10k
10k
100
100
100
100
1k
0.1
1050V
0
0.01
220p
220p220p
220p100
100 100 100 100 100 10010
0
10k
0.01 10
50V
0
10k
0.1 0
2.2k
17P
11ES2 11ES2
100
0.1
00
0
10k
0.1
0.1
0.1
1k
0.1
0
0.1
0.001
0.001
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE
1SS355TE 1SS355TE
1SS355TE
1SS3
55TE
1SS3
55TE
1SS355TE
1SS355TE
0
3.3k
0.1
0.1
0.1
0.1
100
10k
10k
30P
10k
10k
DTC114ES
DTC114ES
DTC114ES
2SB1116A
2SB1116A
2SB1068
6
54
52
43
4039
4950
3534
51
24 25
17
26 2930
4647
7 53
X3 2223
44
4 5 1 3 213
57
1234
1
234
97
100
E
D
C
41
A
B
F
GH
66
67
68
69
7071
89
90
202122232425262728
32
33
34
35
37
40
42
43
44
45
46
47
48
49
60 61 65 66 67 68 69 70 71 73 74
80 81 82J
I
K
95
918384
85
86
60
61
65
4445
46474849
19
83
84
85
86
88
91
89
90
7374
100
38
41
88
6
95
IJK
97
*
*1
*2
1
5
10
15
20
25
30
SENS
HOLD
XLT
XRST
OPEN
CLOSE
SQ DAT
SQ CLK
CD DAT OUT
CANT USE
CD CLK
CD POWER
CLOCK OUT
M RESET
LOAD IN
LOAD OUT
UP/DOWN
T SENS
GAME/DVD
PROTECT
VACS
AVSS
POWER
AVCC
S IN
AV REF
VIDEO SW2
SPEC IN
MODE IN
SP/VACS
B SHUT
ASHUT
FRONT RELAY
REAR RELAY
STB RELAY
STK MUT
LINE MUT
SP LATC
SP LATB
VDD
VSS
AMS
BIAS
SP L
ATA
REC
MUT
PB M
UT
TC R
ELAY
PB A
/B
POW
ER K
EY
DISP
LAY
KEY
B PL
AY
A PL
AY
B HA
LF
A HA
LF
B RE
C RE
W
B RE
C KE
Y
CAPM
CON
T
SOFT
TES
T
B TR
G
A TR
G
SUR3
SUR2
SUR1
494
LT
494
CLK
494
DAT
REAR
MUT
CENT
MUT
NO U
SEVC
D
VCD
SCOR
NMI
VCC
XIN
VSS
XOUT
RESE
T
CNXS
S
BYTE
NO USE
S OU
T
S CL
K
S BS
Y
REM
OTE
IN
3878
DAT
3878
LAT
3878
CLK
XC IN
XC O
UT
AC O
UT
RDS
INT
RDS
DATA
ST M
UTE
STER
EO(IN
)
TUNE
D
ST C
E
ST D
OUT
ST D
IN
ST C
LK
IC401M30622MAA
IC661M51943BSL
GND
VFVP
VFVFGND
GAME LGAME GNDGAME R
POWER ONVIDEO SWPOWER KEYDISPLAY KEYM RESETREMOTE INS BSYS CLKS OUTS INNO USELED GNDMIC +12VMIC SIGMIC GNDHP RHP GNDHP LD GNDEVER +5V+5V(SW)
MTR CTN2M GND
MTR CTN1M +7VD +5VOPEN SWCLOSE SWUP/DOWN SWADDRESS SWD GND
GND NC
CAPM
+
NCNC
A HA
FEA
MOD
EA
PHOT
OA
SOL
B HA
FEB
MOD
EB
PHOT
OB
SOL
RESET
MOT
OR H
MOT
OR L
REC(
FWD)
REC(
REW
)
MT GND
MASTERCONTROL
DX20
*C661
22/50V
RESETQ661
INV.
RG30DX20
47k10k
RG30
*1 R64033k47k
*2 R641
1.5k22k
TAPE SPEED
TAPE DECK BLOCK
SUPPLIED WITHTHE ASSSENBLED
BLOCK( (
DX20DX
20
Q601,602A TRIG DRIVE
A TRIG DRIVEQ603,604
Q605,606CAP MOTOR DRIVE
DX20:EADX20:KR,SP,TH
AR,E2,E51,MXDX20:
MAINBOARD(3/5)
MAINBOARD(2/5)
(Page 26)
(Page 27)
MAINBOARD(5/5)
(Page 29)
MAINBOARD(3/5)
(Page 27)
MAINBOARD(5/5)
(Page 29)
MAINBOARD(5/5)
(Page 29)
MAINBOARD(5/5)(Page 29)
BOARDCN701
DRIVER
(Page 36)
BOARDPANEL
CN711(Page 33)
MAINBOARD(3/5) (Page 27)
MAINBOARD(1/5)(Page 25)
3131
MHC-DX20
6-10. DIAGRAMA ESQUEMÁTICO - SEÇÃO PRINCIPAL (5/5) –
Q381 Q382
Q385
Q386
Q387
C371C372
C373C374
C686C687 C688 C690C689 C691
C698C697
RY371
R383R384
R385
R386
R387
R388
R389
C381
C375C376
L371
L372
C382
C383
C685
L671
C676C674 C675
CN403
R377R378
R379
R380
JW8
JW9
C683 C684
C672
C673
C678
C679
C693 C694
C671
C677
D686
D383
D372
D685
JK302
Q384
Q383
D687 D688
D689 D690
D694 D695
C699
JR638
CN102
FB2 0µH
0µH100µH
JR640
Q682
R681D681 D682
D683 D684
Q681R382
R381
CN402
FB1
2SC2785 2SC2785
2SC2785
2SC2785
2SC2785
0.10.1
0.10.1
1050V
10006.3V
1050V
1050V
10010V
10010V
1050V
220025V
10k10k
33k
22k
4.7k
22k
5.6k
10010V
1000p1000p
2.250V
2.250V
220016V
10010V
100p 4706.3V
101/2W
101/2W
101/2W
101/2W
0.1 0.1
100p
100p
100p
100p
0.01 0.01
10006.3V
47010V
1SS355TE
1SS355TE
1SS355TE
1SS355TE
DTC114ES
2SA1175
11ES2N 11ES2N
11ES2N 11ES2N
11ES2N 11ES2N
47016V
0
19P
0
DTC114ES
011ES2N 11ES2N
11ES2N 11ES2N
RT1P137S
13P
1746 47
3637
38
3940
48
2524
2827
30
41
29
26
2223
X3
1644 35 34 21 20
18
19
32
3334
40
42
4335
37
H
38
F G
42
*
*
PH671
CD DIGITALOUT+5V
OUTIC681UPC7805A UPC7805A
IC682 IC683UPC7812A
IC684
VF VF -B VP
L OU
T
R OU
T
SP G
NDSP
GND
PW G
ND AC4
AC4
AC3
AC3
STBY
PROTECTOR
L OUT
R OUTA GND
+12V GNDREG+12VFAN ON
EVER +5VD GNDSTK MUT
+7V
+B SWITCHQ681,682
+12V REG+5V REG +5V REG
OUTING
OUTING
OUTING
OPTICAL
OUTING
+9V REG
SCORSOCKSENSSOSOHOLDCLOKXLTDATAXRSTA+5V(SW)ROUTAGNDLOUTDGNDDOUTD+5V(SW)+5V
MGND
SPEAKER
USE 6-16Ω
+-
+-
AVDD
DVDD
CD/R
CD/L
R
LIMPEDANCE
DRIVERELAY
Q384,385
PROTECTSWITCH
PROTECTSWITCH
PROTECTSWITCH
PROTECTQ381,382
DETECTOR
M5F7809AFH
GND
DX20
47kRG30DX20
*R38256k
RG30DX2056k
47k*R381
RG30
MAIN BOARD(4/5)
MAIN BOARD(3/5)
(Page 28)
(Page 27)
BOARDCN502
POWER AMP
(Page 31)
BOARDBD
CN101(Page 23)
MAIN BOARD(4/5)
(Page 28)
BOARDCN403
POWER AMP
(Page 31)
MAIN BOARD(2/5) MAIN BOARD(4/5) MAIN BOARD(3/5)
MAIN BOARD(3/5)(Page 26) (Page 28)
(Page 27) (Page 27)MAIN BOARD(4/5) (Page 28)
3131
MHC-DX20
6-10. DIAGRAMA ESQUEMÁTICO - SEÇÃO PRINCIPAL (5/5) –
Q381 Q382
Q385
Q386
Q387
C371C372
C373C374
C686C687 C688 C690C689 C691
C698C697
RY371
R383R384
R385
R386
R387
R388
R389
C381
C375C376
L371
L372
C382
C383
C685
L671
C676C674 C675
CN403
R377R378
R379
R380
JW8
JW9
C683 C684
C672
C673
C678
C679
C693 C694
C671
C677
D686
D383
D372
D685
JK302
Q384
Q383
D687 D688
D689 D690
D694 D695
C699
JR638
CN102
FB2 0µH
0µH100µH
JR640
Q682
R681D681 D682
D683 D684
Q681R382
R381
CN402
FB1
2SC2785 2SC2785
2SC2785
2SC2785
2SC2785
0.10.1
0.10.1
1050V
10006.3V
1050V
1050V
10010V
10010V
1050V
220025V
10k10k
33k
22k
4.7k
22k
5.6k
10010V
1000p1000p
2.250V
2.250V
220016V
10010V
100p 4706.3V
101/2W
101/2W
101/2W
101/2W
0.1 0.1
100p
100p
100p
100p
0.01 0.01
10006.3V
47010V
1SS355TE
1SS355TE
1SS355TE
1SS355TE
DTC114ES
2SA1175
11ES2N 11ES2N
11ES2N 11ES2N
11ES2N 11ES2N
47016V
0
19P
0
DTC114ES
011ES2N 11ES2N
11ES2N 11ES2N
RT1P137S
13P
1746 47
3637
38
3940
48
2524
2827
30
41
29
26
2223
X3
1644 35 34 21 20
18
19
32
3334
40
42
4335
37
H
38
F G
42
*
*
PH671
CD DIGITALOUT+5V
OUTIC681UPC7805A UPC7805A
IC682 IC683UPC7812A
IC684
VF VF -B VP
L OU
T
R OU
T
SP G
NDSP
GND
PW G
ND AC4
AC4
AC3
AC3
STBY
PROTECTOR
L OUT
R OUTA GND
+12V GNDREG+12VFAN ON
EVER +5VD GNDSTK MUT
+7V
+B SWITCHQ681,682
+12V REG+5V REG +5V REG
OUTING
OUTING
OUTING
OPTICAL
OUTING
+9V REG
SCORSOCKSENSSOSOHOLDCLOKXLTDATAXRSTA+5V(SW)ROUTAGNDLOUTDGNDDOUTD+5V(SW)+5V
MGND
SPEAKER
USE 6-16Ω
+-
+-
AVDD
DVDD
CD/R
CD/L
R
LIMPEDANCE
DRIVERELAY
Q384,385
PROTECTSWITCH
PROTECTSWITCH
PROTECTSWITCH
PROTECTQ381,382
DETECTOR
M5F7809AFH
GND
DX20
47kRG30DX20
*R38256k
RG30DX2056k
47k*R381
RG30
MAIN BOARD(4/5)
MAIN BOARD(3/5)
(Page 28)
(Page 27)
BOARDCN502
POWER AMP
(Page 31)
BOARDBD
CN101(Page 23)
MAIN BOARD(4/5)
(Page 28)
BOARDCN403
POWER AMP
(Page 31)
MAIN BOARD(2/5) MAIN BOARD(4/5) MAIN BOARD(3/5)
MAIN BOARD(3/5)(Page 26) (Page 28)
(Page 27) (Page 27)MAIN BOARD(4/5) (Page 28)
3232
MHC-DX20
6-11. PLACA DE CIRCUITO IMPRESSO - SEÇÃO POWER AMP – • Veja pág. 21 para localização das placas de circuito.
Ref. No. Location
D501 B-5D502 B-4D541 C-5D542 A-3D543 A-3D551 B-4
IC501 A-5
Q501 B-5Q503 B-5Q504 B-5Q551 B-4Q581 B-5
• Localização doSemicondutor
POWER AMP BOARD
11(13)
21(21)
DX20
1-681-448-
D
FMAIN BOARD(Page 24)
MAIN BOARD(Page 24)
RG30
RG30/DX20:KR
C TRANS BOARD(Page 34)
(CHASSIS)
DX20
RG30/DX20:KR
RG30/DX20:KR(CHASSIS)
E E
E
EER5
13
R519
_+
1
13
1
13
1
13
2 3 4 5 6 7
A
1
B
C
D
3232
MHC-DX20
6-11. PLACA DE CIRCUITO IMPRESSO - SEÇÃO POWER AMP – • Veja pág. 21 para localização das placas de circuito.
Ref. No. Location
D501 B-5D502 B-4D541 C-5D542 A-3D543 A-3D551 B-4
IC501 A-5
Q501 B-5Q503 B-5Q504 B-5Q551 B-4Q581 B-5
• Localização doSemicondutor
POWER AMP BOARD
11(13)
21(21)
DX20
1-681-448-
D
FMAIN BOARD(Page 24)
MAIN BOARD(Page 24)
RG30
RG30/DX20:KR
C TRANS BOARD(Page 34)
(CHASSIS)
DX20
RG30/DX20:KR
RG30/DX20:KR(CHASSIS)
E E
E
EER5
13
R519
_+
1
13
1
13
1
13
2 3 4 5 6 7
A
1
B
C
D
3333
MHC-DX20
6-12. DIAGRAMA ESQUEMÁTICO - SEÇÃO POWER AMP –
Q504
Q501
Q551
Q503
C542C592
C541
C591
C501
C503
C504
C511
C512
C543
R501
R502
R512
R561
CN501
R505
R506
D501
D502R507
C507
C508
D551
D542D543
C545C544
JW501
C551R551 C553
C554
C559
R552
R581
R582
R514
R515
R516 R517
R556
R557C557
C558
R559
C509 R511
JW51
3
EP501
EP502
C513C502
C552
R503
R553
R504
Q581
R509
R513
R519
R510R508
R558
R560
R555
R541 R591
D541
CN502
CN503
R554
R518
2SC1841
2SC1841
2SC1841
2SA988
220050V 2200
50V
0.1100V
0.1100V
1050V
100p
2250V
0.01
0.001
0.1
1k
56k
11/4W
1001/4W
1k
15k
1SS133T
1SS133T100k
0.068
0.068
1SS133T
11ES211ES2
330035V
100025V
1050V 1k 100p
2225V
2250V
56k
33k
33k
2.2k
22k
10k 2.2k
15k
100k0.068
0.068
101/2W
2250V
1001/4W
2SC1841
101/2W
22k
22k
0.222W 0.22
2W
0.222W
0.222W
1k
22k1/2W 22k
1/2W
D5SBA204101
13P
13P
10k
**
*
*
*
*
*
+VCCPRE
BIAS
+VCC
-VCC
CH1 IN
CH1 NFCH1 +VE
CH1 -VE
CH2 +VE
CH2 -VE
PRE -VCCSUB GND
CH2 NF
CH2 IN
PROT
ECTO
R
L OU
T
R OU
TA
GND
+12V
GND
REG+
12V
FAN
ON
EVER
+5V
D GN
DST
K M
UT VF VF -B VP
L OU
T
R OU
T
SP G
NDSP
GND
PW G
ND AC4
AC4
AC3
AC3
AC4AC4
AC3AC3
VFVFVPD GNDEVER +5V
STBY
REL
AY
STBY RELAY
AC1GNDAC1
IC501
POWER AMP
(CHASSIS)
(CHASSIS)
*C513
0.001
0.001
*C502,552
*R503
1.2k
1.2k
RG30DX20
*R50433k56k
MUTEDRIVER
BUFFERMUTE
Q503,504 PROTECTION
PROTECTION
DX20
DX20
RG30DX20
33k56k
*R554
STK402-0705(1/2)
IC501STK402-0705(2/2)
RG30/DX20:KR
*R553
DX20KR
MAINBOARD(5/5)
(Page 29)
MAINBOARD(5/5)
(Page 29)
BOARDTRANS
(Page 35)
3333
MHC-DX20
6-12. DIAGRAMA ESQUEMÁTICO - SEÇÃO POWER AMP –
Q504
Q501
Q551
Q503
C542C592
C541
C591
C501
C503
C504
C511
C512
C543
R501
R502
R512
R561
CN501
R505
R506
D501
D502R507
C507
C508
D551
D542D543
C545C544
JW501
C551R551 C553
C554
C559
R552
R581
R582
R514
R515
R516 R517
R556
R557C557
C558
R559
C509 R511
JW51
3
EP501
EP502
C513C502
C552
R503
R553
R504
Q581
R509
R513
R519
R510R508
R558
R560
R555
R541 R591
D541
CN502
CN503
R554
R518
2SC1841
2SC1841
2SC1841
2SA988
220050V 2200
50V
0.1100V
0.1100V
1050V
100p
2250V
0.01
0.001
0.1
1k
56k
11/4W
1001/4W
1k
15k
1SS133T
1SS133T100k
0.068
0.068
1SS133T
11ES211ES2
330035V
100025V
1050V 1k 100p
2225V
2250V
56k
33k
33k
2.2k
22k
10k 2.2k
15k
100k0.068
0.068
101/2W
2250V
1001/4W
2SC1841
101/2W
22k
22k
0.222W 0.22
2W
0.222W
0.222W
1k
22k1/2W 22k
1/2W
D5SBA204101
13P
13P
10k
**
*
*
*
*
*
+VCCPRE
BIAS
+VCC
-VCC
CH1 IN
CH1 NFCH1 +VE
CH1 -VE
CH2 +VE
CH2 -VE
PRE -VCCSUB GND
CH2 NF
CH2 IN
PROT
ECTO
R
L OU
T
R OU
TA
GND
+12V
GND
REG+
12V
FAN
ON
EVER
+5V
D GN
DST
K M
UT VF VF -B VP
L OU
T
R OU
T
SP G
NDSP
GND
PW G
ND AC4
AC4
AC3
AC3
AC4AC4
AC3AC3
VFVFVPD GNDEVER +5V
STBY
REL
AY
STBY RELAY
AC1GNDAC1
IC501
POWER AMP
(CHASSIS)
(CHASSIS)
*C513
0.001
0.001
*C502,552
*R503
1.2k
1.2k
RG30DX20
*R50433k56k
MUTEDRIVER
BUFFERMUTE
Q503,504 PROTECTION
PROTECTION
DX20
DX20
RG30DX20
33k56k
*R554
STK402-0705(1/2)
IC501STK402-0705(2/2)
RG30/DX20:KR
*R553
DX20KR
MAINBOARD(5/5)
(Page 29)
MAINBOARD(5/5)
(Page 29)
BOARDTRANS
(Page 35)
3434
MHC-DX20
6-13. PLACA DE CIRCUITO IMPRESSO - SEÇÃO PAINEL • Veja pág. 21 para localização das placas de circuito.
Ref. No. Location
D701 A-9D702 B-2D703 B-2D704 A-2D705 A-2D706 B-9D707 H-3D708 F-4D709 G-7D710 G-7D713 C-4D716 B-2D717 B-2D718 A-2D719 A-2D720 B-9D721 D-3
IC701 B-5IC702 D-7SEN701 A-7
Q701 A-8Q702 B-3Q703 B-3Q704 B-3Q705 B-3Q706 B-8Q707 F-3Q708 G-3Q709 G-6Q710 G-6Q711 B-6
• Localização doSemicondutor
PANEL BOARD
KEY BOARD
11(13)
11(21)1-681-447-
DX20 RG30
11(13)
21(21)
1-681-446-
DX20 RG30
DX20
J702MIC
VR703MIC LEVEL
(CHASSIS)
(CHASSIS)
AMAIN
BOARD(Page 24)
(CHASSIS)
>
Mx
X
Z
B
B
B
B
gG>M
E
VIDEO OUT BOARD
11(13)
21(21)
1-681-441-
DX20 RG30
1
1 2
L
R
(CHASSIS)
CLP4 CN714
JK705VIDEOOUT
2
IC702
12
67 5
43
1
J701PHONES
VOLUME
S701,702,704-738
267 5
43
12
67 5
43
12
3029
DX20
TUNER/BAND
E
E
E
E
61 60
20 21
80
1
41
40
E
DX20
1 4
58
113
113
DISPLAY
MUSIC EQ
EFFECT ON/OFF
GROOVEGAME EQ
DISC SKIPEX–CHANGE
DISC 1
DISC 2
DISC 3OPEN/LCOSE
P.FILE
ENTER
SPECTRUM
MOVIE EQ
TUNER MEMORY/PLAY MODE
E
E
KARAOKE PON
DX20
DIRECTION/EDITSTEREO/MONO
REPEAT
+
E
31
AUDIO
INPUT
VIDEO
IC701
2 3 4 5 6 7 8 9 10
A
1
B
C
D
E
F
G
H
I
3434
MHC-DX20
6-13. PLACA DE CIRCUITO IMPRESSO - SEÇÃO PAINEL • Veja pág. 21 para localização das placas de circuito.
Ref. No. Location
D701 A-9D702 B-2D703 B-2D704 A-2D705 A-2D706 B-9D707 H-3D708 F-4D709 G-7D710 G-7D713 C-4D716 B-2D717 B-2D718 A-2D719 A-2D720 B-9D721 D-3
IC701 B-5IC702 D-7SEN701 A-7
Q701 A-8Q702 B-3Q703 B-3Q704 B-3Q705 B-3Q706 B-8Q707 F-3Q708 G-3Q709 G-6Q710 G-6Q711 B-6
• Localização doSemicondutor
PANEL BOARD
KEY BOARD
11(13)
11(21)1-681-447-
DX20 RG30
11(13)
21(21)
1-681-446-
DX20 RG30
DX20
J702MIC
VR703MIC LEVEL
(CHASSIS)
(CHASSIS)
AMAIN
BOARD(Page 24)
(CHASSIS)
>
Mx
X
Z
B
B
B
B
gG>M
E
VIDEO OUT BOARD
11(13)
21(21)
1-681-441-
DX20 RG30
1
1 2
L
R
(CHASSIS)
CLP4 CN714
JK705VIDEOOUT
2
IC702
12
67 5
43
1
J701PHONES
VOLUME
S701,702,704-738
267 5
43
12
67 5
43
12
3029
DX20
TUNER/BAND
E
E
E
E
61 60
20 21
80
1
41
40
E
DX20
1 4
58
113
113
DISPLAY
MUSIC EQ
EFFECT ON/OFF
GROOVEGAME EQ
DISC SKIPEX–CHANGE
DISC 1
DISC 2
DISC 3OPEN/LCOSE
P.FILE
ENTER
SPECTRUM
MOVIE EQ
TUNER MEMORY/PLAY MODE
E
E
KARAOKE PON
DX20
DIRECTION/EDITSTEREO/MONO
REPEAT
+
E
31
AUDIO
INPUT
VIDEO
IC701
2 3 4 5 6 7 8 9 10
A
1
B
C
D
E
F
G
H
I
3535
MHC-DX20
6-14. DIAGRAMA ESQUEMÁTICO - SEÇÃO PAINEL • Veja pág. 21 para formas de onda.
SEN701
C708 C709
R747
R749
R750
R752
R753
R756C710 C711
R758C712 C713
R760C714 C715
R762
C722
C723
C724
C725
C726
C727
C728
C729
C730
C731
C732
C733
R798R797
R746R745
S726
R727R728R729R730R731R732R733R734R735R736R737
S727S731S732S733S734S735S736S738
S713
R714R715R716R717R718R719R720R721
S714S715S716S717S718S719S720S721
R703R704R705R706R707R708R709R710R711
S704S705S706S707S708
S709S710S711
R713
R726
S725
R725
S724S723S722
S702R702
R722 R723 R724
C735
C734
C738C739
R770R771
R772
C760 C761
C762
C763
C765
C754
C755
C756C757
C758
C759
JW706
JW707
C766
R784
JW704
JW705R786
R788
VR703
R792
R791R789
C720
R765RES701
C716
C721
S728S729S730S737
C704C705
R769
R796
R805R806
C778
C779
R743
R744
R741
R742
JW710
JW713
CN714
R755
JW70
8
JW709
C701
C702
R701
R748
CN715
C703
C770
D702
Q702
D716
Q703
D717
D703
Q704
D718
D704
Q705
D719
D705
Q706
D720
D706
D701
Q701R738
C777
C706
C707
J705CN174
WIRE701
WIRE704
WIRE702
J701PHONES
C736
C737
CN711
D721
FB7010µH
D713
Q709 Q710
Q707 Q708
D707
D710D709
CN712
S712
R768
IC702(1/2)
IC702(2/2)
R787
R790
R764
R763
R761
R759
R757
R785
R783
J702
WIRE703
R740
S701
Q711
C775
D708
100p 100p
10k
10k
10k
10k
10k
100100p 100p
100100p 100p
100100p 100p
100
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
330330
3303303304705606801k1.2k1.8k2.7k3.3k4.7k6.8k
3304705606801k1.2k1.8k2.7k
4705606801k1.2k1.8k2.7k3.3k4.7k
270
270
10k
330
3.3k 4.7k 6.8k
0.01
0.01
10010V
10010V
1k12k
10k
2.250V
47p
100p
2.250V
1050V
47p
0.2250V
0.0010.01
0.150V
470p
1050V
100k
1k
100
50K
100k
10010k
0.01
1M5MHZ
0.022
4710V
4710V
0.001
47
47
180120
0.1
0.1
27k
27k
10k
10k
10k
3350V
3350V
270
10k
0.01
0.1
SEL5955A
DTC114ESLED
DRIVE
SEL5955A
DTC114ESLED
DRIVE
SEL5955A
SEL5955A
DTC114ESLED
DRIVE
SEL5955A
SEL5955A
DTC114ESLED
DRIVE
SEL5955A
SEL5955A
DTC114ESLED
DRIVE
SEL5955A
SEL5955A
SEL223C
DTA124ESLED
DRIVE
0.1
0.001
0.001
30P
1SS133T
1SS133T
DTC114ESLED
DRIVE
DTC114ESLED
DRIVE
DTC114ESLED
DRIVE
DTC114ESLED
DRIVE
SEL5223S
SEL5923ASEL5923A
13P
100
NJM4565M-TE2
NJM4565M-TE2
22k
180k
10k
10k
10k
10k
10k
10k
1k
82
2SC2875BUFFER
0.01
SEL5223S
6
13
14
7
8
9
10
21 22 26 27 28 29
30 31 32 33 34
37 38 39 4041
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
6162636465666768697071727374757677787980
68 67 66 65 64 63 62 61 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 69 70 71 72 73 74 75 76 77 78 79 80
69 70 71 72 73 74 75 76 77 78 79 80
31 32 33 34 30
21 22 26 2728 29
6
789
10
13
14
17
17
**
*
1
5
10
15
20
25
30
IC701
DISPLAYCONTROL
GND
VFVP
VFVFGND
GAME LGAME GNDGAME R
POWER ONVIDEO SWPOWER KEYDISPLAY KEYM RESETREMOTE INS BSYS CLKS OUTS INNO USELED GNDMIC +12VMIC SIGMIC GNDHP RHP GNDHP LD GNDEVER +5V+5V(SW)
DISC 1DISC 2DISC 3 DISC SKIP
CD SYNCREC PAUSE/START
EFFECT ON/OFF P.FILE ENTERPLAY MODE
STEREO/MONOREPEAT
DIRECTION DISPLAY
MD(VIDEO) TAPE A/B TUNER/BAND CD
4
3
2
1
87
6
5
(CHASSIS)
(CHASSIS)
J704
(CHASSIS)
KEY1
KEY0
VSS
AVDD
VDD
DVD5
.1
LED
LED
LED
LED
LED
LED
LED
LED
NC S29
S28
S27
S26
VLOOD
VDD2
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
G0 G1 G2 G3 G4 G5 G6 G7 G8 G9 G10
G11 S0 S1 S2 S3 S4 S5 S6 S7
VDD
VSS
X1
X2
IC
RESET
S
S
S
SBSY
NC
NC
VOL
VOL
NC
NC
HEADPHONE
AVSS
NC
KEY2
FLUORESCENTINDICATOR
TUBE
FLD1
(CHASSIS)
MD(VIDEO) TAPE A/B CD TUNER/BAND GAME
I/
RG30DX20
*R7381k
2.2k
DX20
RG30DX20
*C706,707100P0.001
VIDEOOUT
R
L
VIDEO
AUDIO
GAMEIN
VR701ROTARY
ENCODER( (
VOLUME
SEN701NJL64H400A-1
REMOTECONTROL
RECEIVER
GAME
GROO
VE
GROOVEKARAOKE PON
DX20
GROOVEKARAOKE PON EX-CHANGE
DX20
OPEN/CLOSE
MOVIE EQ MUSIC EQ GAME EQ TUNER MEMORY/EDIT
SPECTRUM
+ -
UPD780232GC- 031-8BT
MICAMP
MIC LEVEL
MIC
I/
DX20
RECPAUSE/START ENTER
BOARDMAIN
(Page 28)(4/5)
3535
MHC-DX20
6-14. DIAGRAMA ESQUEMÁTICO - SEÇÃO PAINEL • Veja pág. 21 para formas de onda.
SEN701
C708 C709
R747
R749
R750
R752
R753
R756C710 C711
R758C712 C713
R760C714 C715
R762
C722
C723
C724
C725
C726
C727
C728
C729
C730
C731
C732
C733
R798R797
R746R745
S726
R727R728R729R730R731R732R733R734R735R736R737
S727S731S732S733S734S735S736S738
S713
R714R715R716R717R718R719R720R721
S714S715S716S717S718S719S720S721
R703R704R705R706R707R708R709R710R711
S704S705S706S707S708
S709S710S711
R713
R726
S725
R725
S724S723S722
S702R702
R722 R723 R724
C735
C734
C738C739
R770R771
R772
C760 C761
C762
C763
C765
C754
C755
C756C757
C758
C759
JW706
JW707
C766
R784
JW704
JW705R786
R788
VR703
R792
R791R789
C720
R765RES701
C716
C721
S728S729S730S737
C704C705
R769
R796
R805R806
C778
C779
R743
R744
R741
R742
JW710
JW713
CN714
R755
JW70
8
JW709
C701
C702
R701
R748
CN715
C703
C770
D702
Q702
D716
Q703
D717
D703
Q704
D718
D704
Q705
D719
D705
Q706
D720
D706
D701
Q701R738
C777
C706
C707
J705CN174
WIRE701
WIRE704
WIRE702
J701PHONES
C736
C737
CN711
D721
FB7010µH
D713
Q709 Q710
Q707 Q708
D707
D710D709
CN712
S712
R768
IC702(1/2)
IC702(2/2)
R787
R790
R764
R763
R761
R759
R757
R785
R783
J702
WIRE703
R740
S701
Q711
C775
D708
100p 100p
10k
10k
10k
10k
10k
100100p 100p
100100p 100p
100100p 100p
100
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
100p
330330
3303303304705606801k1.2k1.8k2.7k3.3k4.7k6.8k
3304705606801k1.2k1.8k2.7k
4705606801k1.2k1.8k2.7k3.3k4.7k
270
270
10k
330
3.3k 4.7k 6.8k
0.01
0.01
10010V
10010V
1k12k
10k
2.250V
47p
100p
2.250V
1050V
47p
0.2250V
0.0010.01
0.150V
470p
1050V
100k
1k
100
50K
100k
10010k
0.01
1M5MHZ
0.022
4710V
4710V
0.001
47
47
180120
0.1
0.1
27k
27k
10k
10k
10k
3350V
3350V
270
10k
0.01
0.1
SEL5955A
DTC114ESLED
DRIVE
SEL5955A
DTC114ESLED
DRIVE
SEL5955A
SEL5955A
DTC114ESLED
DRIVE
SEL5955A
SEL5955A
DTC114ESLED
DRIVE
SEL5955A
SEL5955A
DTC114ESLED
DRIVE
SEL5955A
SEL5955A
SEL223C
DTA124ESLED
DRIVE
0.1
0.001
0.001
30P
1SS133T
1SS133T
DTC114ESLED
DRIVE
DTC114ESLED
DRIVE
DTC114ESLED
DRIVE
DTC114ESLED
DRIVE
SEL5223S
SEL5923ASEL5923A
13P
100
NJM4565M-TE2
NJM4565M-TE2
22k
180k
10k
10k
10k
10k
10k
10k
1k
82
2SC2875BUFFER
0.01
SEL5223S
6
13
14
7
8
9
10
21 22 26 27 28 29
30 31 32 33 34
37 38 39 40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
6162636465666768697071727374757677787980
68 67 66 65 64 63 62 61 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 69 70 71 72 73 74 75 76 77 78 79 80
69 70 71 72 73 74 75 76 77 78 79 80
31 32 33 34 30
21 22 26 2728 29
6
789
10
13
14
17
17
**
*
1
5
10
15
20
25
30
IC701
DISPLAYCONTROL
GND
VFVP
VFVFGND
GAME LGAME GNDGAME R
POWER ONVIDEO SWPOWER KEYDISPLAY KEYM RESETREMOTE INS BSYS CLKS OUTS INNO USELED GNDMIC +12VMIC SIGMIC GNDHP RHP GNDHP LD GNDEVER +5V+5V(SW)
DISC 1DISC 2DISC 3 DISC SKIP
CD SYNCREC PAUSE/START
EFFECT ON/OFF P.FILE ENTERPLAY MODE
STEREO/MONOREPEAT
DIRECTION DISPLAY
MD(VIDEO) TAPE A/B TUNER/BAND CD
4
3
2
1
87
6
5
(CHASSIS)
(CHASSIS)
J704
(CHASSIS)
KEY1
KEY0
VSS
AVDD
VDD
DVD5
.1
LED
LED
LED
LED
LED
LED
LED
LED
NC S29
S28
S27
S26
VLOOD
VDD2
S8
S9
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
G0 G1 G2 G3 G4 G5 G6 G7 G8 G9 G10
G11 S0 S1 S2 S3 S4 S5 S6 S7
VDD
VSS
X1
X2
IC
RESET
S
S
S
SBSY
NC
NC
VOL
VOL
NC
NC
HEADPHONE
AVSS
NC
KEY2
FLUORESCENTINDICATOR
TUBE
FLD1
(CHASSIS)
MD(VIDEO) TAPE A/B CD TUNER/BAND GAME
I/
RG30DX20
*R7381k
2.2k
DX20
RG30DX20
*C706,707100P0.001
VIDEOOUT
R
L
VIDEO
AUDIO
GAMEIN
VR701ROTARY
ENCODER( (
VOLUME
SEN701NJL64H400A-1
REMOTECONTROL
RECEIVER
GAME
GROO
VE
GROOVEKARAOKE PON
DX20
GROOVEKARAOKE PON EX-CHANGE
DX20
OPEN/CLOSE
MOVIE EQ MUSIC EQ GAME EQ TUNER MEMORY/EDIT
SPECTRUM
+ -
UPD780232GC- 031-8BT
MICAMP
MIC LEVEL
MIC
I/
DX20
RECPAUSE/START ENTER
BOARDMAIN
(Page 28)(4/5)
3636
MHC-DX20
6-15. PLACA DE CIRCUITO IMPRESSO - SEÇÃO TRANS • Veja pág. 21 para localização das placas de circuito.
Ref. No. Location
D901 C-4D902 B-3D903 B-2D904 B-3D905 B-2D911 E-6D912 E-7D913 F-8
IC901 C-2
Q901 C-3Q911 F-7
• Localização doSemicondutor
CPOWER AMP
BOARD(Page 30)
11(11)1-681-444-
11(11)1-681-445-
SUB TRANS BOARD
TRANS BOARD
E
B
T911POWER TRANSFORMER
DX20:MX
DX20:MX
RG30
/DX2
0:KR
,TH
RG30/DX20:KR,MX,TH
EXCEPT DX20:MX
DX20:AR,E2,E51,EA,SP
DX20:AR,E2,E51,EA,SP
DX20:AR,E2,E51,EA,SPS901VOLTAGE
SELECTOR
240V
220-
230V
120V
RG30/DX20:KR,MX,TH
RG30
/DX2
0:KR
,TH
RG30
/DX
20:K
R,TH
DX20
:MX
DX20:AR,E2,E51,EA,SP
DX20:AR,E2,E51,EA,SP,MX
AC IN
1
2
3
4
1234
JW2
2 3 4 5 6 7 8
A
1
B
C
D
E
F
1
13
3
1
3
E
3636
MHC-DX20
6-15. PLACA DE CIRCUITO IMPRESSO - SEÇÃO TRANS • Veja pág. 21 para localização das placas de circuito.
Ref. No. Location
D901 C-4D902 B-3D903 B-2D904 B-3D905 B-2D911 E-6D912 E-7D913 F-8
IC901 C-2
Q901 C-3Q911 F-7
• Localização doSemicondutor
CPOWER AMP
BOARD(Page 30)
11(11)1-681-444-
11(11)1-681-445-
SUB TRANS BOARD
TRANS BOARD
E
B
T911POWER TRANSFORMER
DX20:MX
DX20:MX
RG30
/DX2
0:KR
,TH
RG30/DX20:KR,MX,TH
EXCEPT DX20:MX
DX20:AR,E2,E51,EA,SP
DX20:AR,E2,E51,EA,SP
DX20:AR,E2,E51,EA,SPS901VOLTAGE
SELECTOR
240V
220-
230V
120V
RG30/DX20:KR,MX,TH
RG30
/DX2
0:KR
,TH
RG30
/DX
20:K
R,TH
DX20
:MX
DX20:AR,E2,E51,EA,SP
DX20:AR,E2,E51,EA,SP,MX
AC IN
1
2
3
4
1234
JW2
2 3 4 5 6 7 8
A
1
B
C
D
E
F
1
13
3
1
3
E
3737
MHC-DX20
6-16. DIAGRAMA ESQUEMÁTICO - SEÇÃO TRANS
C902C903
D902D903
D904D905
JW3
JW4
JW911
JW912
JW913
R919
R911
R912 R913
R915
R916
R905
C911
C912
C913
D911
C915
CN3 CN2
R902
F918
JW6
JW5
S901
JW1
T901CN903CN913
D912
CN901
C901
D901
RY901
F914
F920
JW917
R920
Q911
D913
CN915
Q901
220016V
10016V
11ES211ES2
11ES211ES2
T2AL/250V
0.33 1/4W
11/4W
1k 10k
100
100
100
22063V
1050V
10050V
11ES2
0.1
10k
T2.5AL/250V
3P3P
MTZJ-30B
2P
0.01
1SS133T
T6.3AL/250V
T6.3AL/250V
0.33 1/4W
2SA1932-30V REG.
RD5.
6ESB
2
13P
2SC2785
STBY RELAY
EVER +5.7V
D GND
STBY RELAY
EVER +5.7V
D GND
IC901
AC IN
+5.7V REG
POWERTRANSFORMER
T911
AC4
AC4
AC3
AC3
VF
VF
VP
D GND
EVER +5V
STBY RELAY
AC1
GND
AC1
VOLTAGE SELECTOR
120V
220-230V
240V
CN3
CN2
POWERTRANSFORMER
TA78057S
RG30DX20
DX20
RG30
RELAY
DRIVER
2P:RG30/DX20:KR,MX,TH
4P:DX20:AR,E2,E51,EA,SP
2P:RG30/DX20:KR,MX,TH
4P:DX20:AR,E2,E51,EA,SP
DX20:KR,MX,TH
RG30/
RG30/DX20:KR,TH
DX20:MX
DX20:AR,E2,E51,EA,SP
EA,KR,SP,TH
DX20:AR,E2,E51,
DX20,AR,E2,E51,EA,SP
DX20:MX
DX20:AR,E2,E51,EA,SP
BOARD
POWER AMP
(Page 31)
3737
MHC-DX20
6-16. DIAGRAMA ESQUEMÁTICO - SEÇÃO TRANS
C902C903
D902D903
D904D905
JW3
JW4
JW911
JW912
JW913
R919
R911
R912 R913
R915
R916
R905
C911
C912
C913
D911
C915
CN3 CN2
R902
F918
JW6
JW5
S901
JW1
T901CN903CN913
D912
CN901
C901
D901
RY901
F914
F920
JW917
R920
Q911
D913
CN915
Q901
220016V
10016V
11ES211ES2
11ES211ES2
T2AL/250V
0.33 1/4W
11/4W
1k 10k
100
100
100
22063V
1050V
10050V
11ES2
0.1
10k
T2.5AL/250V
3P3P
MTZJ-30B
2P
0.01
1SS133T
T6.3AL/250V
T6.3AL/250V
0.33 1/4W
2SA1932-30V REG.
RD5.
6ESB
2
13P
2SC2785
STBY RELAY
EVER +5.7V
D GND
STBY RELAY
EVER +5.7V
D GND
IC901
AC IN
+5.7V REG
POWERTRANSFORMER
T911
AC4
AC4
AC3
AC3
VF
VF
VP
D GND
EVER +5V
STBY RELAY
AC1
GND
AC1
VOLTAGE SELECTOR
120V
220-230V
240V
CN3
CN2
POWERTRANSFORMER
TA78057S
RG30DX20
DX20
RG30
RELAY
DRIVER
2P:RG30/DX20:KR,MX,TH
4P:DX20:AR,E2,E51,EA,SP
2P:RG30/DX20:KR,MX,TH
4P:DX20:AR,E2,E51,EA,SP
DX20:KR,MX,TH
RG30/
RG30/DX20:KR,TH
DX20:MX
DX20:AR,E2,E51,EA,SP
EA,KR,SP,TH
DX20:AR,E2,E51,
DX20,AR,E2,E51,EA,SP
DX20:MX
DX20:AR,E2,E51,EA,SP
BOARD
POWER AMP
(Page 31)
3838
MHC-DX20
6-17. PLACA DE CIRCUITO IMPRESSO - SEÇÃO DRIVER • Veja pág. 21 para localização das placas de circuito.
1 2
A
B
C
D
3 4 5 6 7 8 9 10
IC71
1
IC70
1
14
14
14
14
14
14
(Page 24 )
B
CN1
4
CN1(Page 26)
(4/5)
B
IC B/D
A C
EK
MTZ
J-T-
77-3
.9A
Ref. No. Location
D707 E-1
IC701 B-8
IC711 B-5
• Localização doSemicondutor
6-18. SCHEMATIC DIAGRAM – DRIVER SECTION – • See page 42 for IC Block Diagrams.
3838
MHC-DX20
6-17. PLACA DE CIRCUITO IMPRESSO - SEÇÃO DRIVER • Veja pág. 21 para localização das placas de circuito.
1 2
A
B
C
D
3 4 5 6 7 8 9 10
IC71
1
IC70
1
14
14
14
14
14
14
(Page 24 )
B
CN1
4
CN1(Page 26)
(4/5)
B
IC B/D
A C
EK
MTZ
J-T-
77-3
.9A
Ref. No. Location
D707 E-1
IC701 B-8
IC711 B-5
• Localização doSemicondutor
6-18. SCHEMATIC DIAGRAM – DRIVER SECTION – • See page 42 for IC Block Diagrams.
39
MHC-DX20
6-19. DESCRIÇÃO DOS PINOS DOS ICs.• MAIN BOARD IC401 M30622MCA-B23FP (MASTER CONTROL)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
O
O
I
I
O
O
O
—
—
I
O
I
O
—
I
I
I
I
I
I
I
O
I
I
O
O
I
O
—
—
—
I
I
I
O
—
O
O
O
O
O
O
O
O
O
I
I
I
I
—
Description
Serial data output the display control.
Serial clock output from main controller.
Busy signal input from the display control. “L” : busy
Pemoto commander input.
Data signal output for IC301(BH3878KS2)
Latch signal output for IC301(BH3878KS2)
Clock signal output for IC301(BH3878KS2)
Connected to ground.
Connected to ground.
SUB SYSTEM CLOCK input.(32.768MHz)
SUB SYSTEM CLOCK output.(32.768MHz)
System reset input.
MAIN SYSTEM CLOCK output.(16MHz)
Connected to ground.
MAIN SYSTEM CLOCK input.(16MHz)
Power supply.(+5V)
PULL UP.(EVER+5V)
AC CUT ON(L)/OF(H) CHECK.
CD Q-data request signal input.
RDS interrupt signal input.
RDS data signal input.
Tuner mute signal output.
STEREO detect signal input.L=ON,H=OFF
TUNER detect signal input.L=ON,H=OFF
TUNER chip eneble output.
TUNER data output.
TUNER data input.
TUNER clock signal output.
Not used.
Not used.
Not used.
Subcode Q data input(CD data).
Subcode Q clock input(CD clock).
BD condition signal input.
CD data output.
Not used.
CD clock output.
CD-POWER ON/OFF signal output.H=ON,L=OFF
Not used (open).
HOLD signal output.
Micom reset signal output to the display control. “L” : reset
CD latch signal output.
CD reset signal output.
Loading motor control signal output (Loading).
Loading motor control signal output (un Loading).
Tray open detect signal input.
Tray close detact signal input.
Pick-up up/down detect signal input.
CD table detect signal input.
Not used.
Pin Name
S-OUT
S-CLK
S-BSY
REMOTE IN
3878-DAT
3878-LAT
3848-CLK
BYTE
CN VSS
XC IN
XC OUT
RESET
X OUT
VSS
X IN
VCC
NMI
AC-CUT
RCOR
RDS-INT
RDS-DATA
ST-MUTE
SSTEREO(IN)
TUNER
ST-CE
ST-DOUT
ST-DIN
ST-CLK
VCD
VCD
NO USE
SQ-DAT IN
SQ-CLK
SENS
CD-DAT OUT
CAN’T-USE
CD-CLK
CD-POWER
CLOCK-OUT
HOLD
M-RESET
XLT
XRST
LOAD-IN
LOAD-OUT
OPEN
CLOSE
UP/DOWN
T-SENS
GAME/DVD
40
MHC-DX20
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
—
—
—
—
—
—
—
—
—
O
O
I
I
—
O
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
I
O
O
O
O
O
I
I
I
—
I
—
O
—
—
I
Description
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
A deck trigger control signal output.H=ON,L=OFF
B deck trigger control signal output.H=ON,L=OFF
Power supply.(+5V)
Not used.
Connected to ground.
Capstan motor REV/FWD/STOP control signal output.H=REV,L=FWD/STOP
Detection input from the deck-B rec forward detect switch. “L” : rec
Detection input from the deck-B rec reverse detect switch. “L” : rec
A deck hafe detect signal input.
B deck hafe detect signal input.
A deck play detect signal input.
B deck play detect signal input.
AMS signal input.L=ON,H=OFF
DISPLAY KEY control signal output.
POWER KEY control signal output.
BIAS ON/OFF signal output.H=ON,L=OFF
Playback deck A/B select signal output.H=High,L=Normal
Tape deck relay ON/OFF signal output.H=ON,L=OFF
PB mute ON/OFF signal output .H=ON,L=OFF
REC mute ON/OFF signal output .H=ON,L=OFF
Serial data latch pulse output to BH3878KS2 (IC301)
Serial data latch pulse output to BH3878KS2 (IC301)
Serial data latch pulse output to BH3878KS2 (IC301)
Line mute signsl output.L=ON,H=OFF
Power amplifier mute ON/OFF signal output.H=ON,L=OFF
Speaker protect signal input.L=ON,H=OFF
STANDBY relay control signal output.
Rear speaker relay control output.
Front speaker relay control output.
A deck reel pulse detect signal output.
B deck reel pulse detect signal output.
SP/VACS (tape) select signal input.
Destination setting terminal.
Version select signal input.
Not used
Tape recording level input.
Connected to ground.
POWER ON/OFF signal output.H=ON,L=OFF
Analog reference voltage.
Power supply.(+5V)
Serial data input the display control.
Pin Name
NO USE
CENT-MUTE
REAR-MUT
494-DAT
494-CLK
494-LT
SUR1
SUR2
SUR3
A-TRG
B-TRG
VDD
SOFT TEST
VSS
CAMP-CONT
B-REC FWD
B-REC REW
A-HAFE
B-HAFE
A-PLAY
B-PLAY
AMS-IN
DISPLAY KEY
POWER-KEY
BIAS
PB-A/B
TC-RELAY
PB-MUT
REC-MUT
SP-LATA
SP-LATB
SP-LATC
LINE-MUT
STK-MUT
PROTECT
STB-RELAY
REAR-RELAY
FRONT-RELAY
A-SHUT
B-SHUT
SP/VACS
MODE IN
SPEC-IN
VIDEO SW2
VACS
AVSS
POWER-KEY
AV-REF
AVCC
S-IN
41
MHC-DX20
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 - 22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37 - 58
59
60
61 - 67
68 - 80
I/O
I
—
O
I
—
I
I
I
I
O
—
—
I
I
—
—
I
—
—
I
—
I
I
O
O
O
O
O
O
O
O
O
—
—
O
I
I
O
O
Description
Power supply.(+5V)
Connected to ground.
System clock output terminal.(5MHz)
System clock input terminal.(5MHz)
Connected to ground.
Reset signal input from main controller.
Serial clock input from main controller.
Serial data input from main controller.
Serial data output from main controller.
Busy signal output.
Not used.
Not used.
VOLUME A signal input.
VOLUME B signal input.
Not used.
Not used.
Headphone detect signal input. H=ON,L=OFF
Connected to ground.
Not used.
KEY input.(AD)
Connected to ground.
Power supply.(+5V)
Power supply.(+5V)
KARAOKE LED driver output.
GROOVE LED driver output.
ENTER LED driver output.
REC LED driver output.
GAME LED driver output.
MD(VIDEO) LED driver output.
TAPE LED driver output.
CD LED drover output.
TUNER LED driver output.
Not used.
Not used.
FL segment signal output.
Power supply.(+5V)
Power supply (-30V) at FL driver.
FL segment signal output.
FL gride output.
Pin Name
VDD
VSS
X1
X2
IC
RESET
S-CLK
S-IN
S-OUT
SBSY
NO USE
NO USE
VOL-A
VOL-B
NO USE
NO USE
HEADHONE
AVSS
NO USE
KEY2-KEY0
VSS
AVDD
VDD
DV5.1-LED
PRO-LED
ENTER-LED
REC-LED
GAME-LED
MO/VIDEO-LED
TAPE-LED
CD-LED
TUNER-LED
GROOVE
NO USE
S29-S8
VDD2
VLOOD
S7-S0
G11-G0
• PANEL BOARD IC701 UPD780232GC-031-8BT (DISPLAY CONTROL)
40
MHC-DX20
IC101 CXD2587Q (BD BOARD)
TERFDC
CEIGEN
AVSS
0
ADIO
AVDD
0
CLTV
FILO
AVSS
3
VSS
AVDD
3
DOUT
VDD
PCO
FILI
ASYO
ASYI
RFAC
BIAS
SSTP
DFCTMIRR
MDPLOCK
FOK
SFDR
VSS
TEST
FRDR
FEVC
COUT
SE
XTSLTES1
SRDRTFDR
FFDRTRDR
21
7071
6869
6667
64
65
62
61
63
7374
72
75
76
7778
7980
4
XRST
3
SQCK
SQSO
5 9876
5660 53545559 5758 5152 484950 47 444546 43 4142
XLAT
CLOK
SENS
SYSM
DATA
XUGF
XPCK GF
S
C2PO
WFC
K
10 11 12 13 14 15 16 17 18 19 20
21
222324
2526
3233
3031
3637
3435
3940
38
28
27
29
SPOA
ATSK
SCLK
VDD
SCOR
SPOB
XLON
XTAI
XVDD
EMPH
AVDD1AOUT1
AIN1
XTAOXVSS
AIN2
AOUT2AVDD2
RMUT
LOUT2
LOUT1
BCK
LRCK
PCMD
LMUT
AVSS1AVSS2
CPUINTERFACE
SERVO AUTOSEQUENCER
SERIAL ININTERFACE
OVER SAMPLINGDIGITAL FILTER
3rd ORDERNOISE SHAPER
PWM PWM
EFMDEMODULATOR
TIMINGLOGIC
DIGITALOUT
D/AINTERFACE
DIGITALPLL
ASYMMETRYCORRECTION
CLOCKGENERATOR
MIRR, DFCT,FOK
DETECTOR
DIGITALCLV
SUBCODEPROCESSOR
SERVOINTERFACE
SERVO DSP
FOCUSSERVO
TRACKINGSERVO
SLEDSERVO
PWM GENERATOR
FOCUS PWMGENERATOR
TRACKINGPWM GENERATOR
SLED PWMGENERATOR
16KRAM
ERRORCORRECTOR
INTE
RNAL
BUS
A/DCONVERTER
OPERATIONALAMPLIFIER
ANALOG SWITCH
6-20. DIAGRAMA EM BLOCO DOS IC's
IC102 BA5974FP-E2 (BD BOARD)
LEVEL SHIFT
INTERFACE
INTERFACE
INTERFACE
1 2 3 4 5 6 7 8 9 10 11 12 13 14
202122232425262728 19 18 17 16 15
F
RRF F
RRF
RR
F
FMUTE
THERMALSHUTDOWN
VREF
OUT
VREF
IN
POW
VCC
CH1F
IN
CH1R
IN
CH2F
IN
CH2R
IN
CH2O
UTR
CH2O
UTF
CH1O
UTR
CH1O
UTF
CAPA
IN1
CAPA
IN2
GND
PRFV
CC
MUT
E
POW
VCC
CH4S
IN'
CH4S
IN
CH4B
IN
CH3F
IN
CH3R
IN
CH3O
UTR
CH3O
UTF
CH4O
UTR
CH4O
UTF
CAPA
IN3
GND
43
MHC-DX20
IC103 CXA2568M-T6 (BD BOARD)
11
12
10
VC
VC
VC
VC
VCVC
VC
VCC
VCC
RF SUMMING AMP RF_EQ_AMP
ERROR AMPFOCUS
TRACKINGERROR AMPVC BUFFER
VCC
VCC
VC
VC
VC
VC
VEE
VEE
VEE
VEE
VEE
VREF
13
14
15
6
5
1
2
3
4
7
8
9
16
19
2021
2223
24
1817
HOLD
LD
PD
A
B
C
D
VEE
F
E
VC
AGCVTH
AGCCONT
VCC
LC/PDLD_ON
HOLD_SW
RF_BOT
RFTCRF_1RFO
RFE
FE
TE
(50%/30%OFF)
APC PD AMP
APC LD AMP
IC103 BU1924 (MAIN BOARD)
1 2 3 4 5 6 7 8
910111213141516
QUAL
RDAT
A
VREF
VDD1
VSS1
MUX
VSS3
CMP
RCLK
XO XI(NC)
VDD2
VSS2
T1 T2
8TH SWITCHEDCAPACITOR
FILTER
PLL 57KHzRDS/ARI
BIPHASEDECODER
DEFFERENTIALDECODER
PLL1187.5Hz
TESTCLOCK
IC102 LC72130 (MAIN BOARD)
1 2 3 4 5 6 7 8
XIN
B03CE IF
IN
AOUT
2
AIN1
AIN2
D1 CL B04D0 B01
I01
B02
XOUT
PD1
VSS
PD2
FMIN
AMIN
AOUT
1
VDD
I02
B05
9 10 11 12
131415161718192021222324
PHASE DETECTORCHARGE PUMP
SWALLOW COUNTER1/16.1/17 4bits
SWALLOW COUNTER1/16.1/17 4bits
POWERON
RESET1/2
C BI / F
REFERENCEDIVIDER
REFERENCEDIVIDER
C BI / F
2 DATA SHIFT REGISTERLATCH
44
MHC-DX20
IC101 BA1450 (MAIN BOARD)
IC701 BA6956AN (DRIVER BOARD)
CH2/A CH2/B NF VCC CG NF ALCMETAL
OUTPREOUT
TAPE A/TAPE B
RECOUT
RECIN
CH1/A CH1/B NF GND1 M/H NF
CH2CH2
ALC
M/N
CH1
GNDGND
CH1+–
+–
+– +
–
A/B
GNDMETALOUT
PREOUT
MIXOUT
RECOUT
RECIN
IREFVREF2
VREF1
24 23 22 21 20 19 18 17 16 15 14 13
1 2 3 4 5 6 7 8 9 10 11 12
1 2 3 4 5 6 7 8 9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM VCC
FIN
GND
RIN
1 2 3 4 5 6 7 8 9 10 11 12
161718192021222324 15 14 13
AMOSC
AMMIX
AM IF
FMIF
FMDET
AMDET
SDDET
AGC
LEDDRIVER COMP
SD
SW
VCO
PD
1/2
DECODER
VREG
1/2
FM IN
FM D
ET
TUNE
D
STER
EO
IF O
UT
R OU
T
L OU
T
AM/F
M
FM/A
M D
ET O
UT
AM M
PX IN
FM M
PX IN
IN R
EQ M
UTE
FM S
D AD
J
VCC
GND
AM O
SC O
UT
AM O
SC
VCO
STOP
AM R
F IN
AM IF
IN
AM A
GC
AM M
IX O
UT
FM B
AND
WID
TH
V . R
EG
IC201 TA8189N (MAIN BOARD)
45
MHC-DX20SEÇÃO 7
VISTAS EXPLODIDAS
7-1. SEÇÃO PRINCIPAL
NOTA:• Itens com a marca “*” não são mantidos em estoque
toque por serem raramente solicitados. Atrasos podemser evitados antecipando pedidos para estes itens.
• As partes mecânicas sem número de referência nasvistas explodidas não são fornecidas.
• A lista de materiais embalados (acessórios) e para-fusos encontra-se no final da lista de peças elétricas.
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
Os componentes identificadoscom a marca 0 são críticos paraa segurança. Somente os substituapor peças numericamente iden-tificadas nesse manual.
1 3-363-099-01 SCREW (CASE 3 TP2)2 3-363-099-41 SCREW (CASE 3 TP2)
3 4-224-549-01 CASE (SIDE-L)
4 4-234-009-11 CD DOOR 5 4-224-550-01 CASE (TOP)6 1-681-441-11 VIDEO OUT BOARD
mecanismo do CD
#3
#3
#3#3
#3
#3
#3
#5
4
311
1
1
2
2
painel frontal
chassis
não fornecido
#3
#1
#3
#3#3
#3
10
7
9
8
56
7 4-236-838-11 PANEL BACK
8 4-227-984-11 COVER (DUCT)
9 1-681-445-11 SUB TRANS BOARD
10 4-225-252-01 CUSHION (FOOT)11 4-224-548-34 CASE(SIDE-R)
46
MHC-DX20
7-2. PAINEL FRONTAL
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark
62 4-224-560-01 CAM (L), HEART63 4-951-620-01 SCREW (2.6X8), +BVTP64 1-681-447-11 KEY BOARD65 4-234-016-01 FL HOLDER66 A-4476-797-A PANEL BOARD, COMPLETE
(DX20:E2, E51, EA, SP, AR, MX)
66 A-4725-721-A PANEL BOARD, COMPLETE (DX20:KR)66 A-4725-982-A PANEL BOARD, COMPLETE (DX20:TH)
LISTA DE PEÇAS NA PÁGINA SEGUINTE
69 4-233-982-01 CASSETTE DOOR SPRING R70 1-796-123-11 DECK, MECH (TC)FLD1 1-518-729-11 INDICATOR TUBE, FLUORESCENT
51 4-234-019-01 VOLUME KNOB (RG30)51 4-234-019-11 VOLUME KNOB (DX20)52 4-234-015-01 VOL KNOB RING53 X-4953-757-1 PANEL FRONT ASSY (DX20)53 X-4953-887-1 PANEL FRONT ASSY (RG30)
54 4-225-252-01 CUSHION (FOOT)55 X-4953-759-1 CASSETTE WINDOW R ASSY (DX20)55 X-4953-889-1 CASSETTE WINDOW R ASSY (RG30)56 X-4953-758-1 CASSETTE WINDOW L ASSY (DX20)56 X-4953-888-1 CASSETTE WINDOW L ASSY (RG30)
57 4-231-805-01 KNOB (MIC) (DX20)58 4-233-981-01 CASSETTE DOOR SPRING L59 4-224-104-11 DAMPER60 4-224-562-01 BRACKET (HEART CAM L)61 4-224-803-01 SPRING (PUSH), COMPRESSION
53
68
54
61
52
51
56
58
60
60
FLD1 não fornecido
6969
66
64
55
57
59
69 *69*69 *69
*69
62 70
63
6557
67
não fornecido
* Veja a nota de serviço na página 5.
LISTA DE PEÇAS DO PAINEL FRONTAL
Ref. N.º Part. N.º Description Remarks51 4-234-015-01 VOL KNOB RING52 4-234-019-11 VOLUME KNOB53 4-233-987-11 TAMPA CASSETE (B)53-1 4-234-013-01 VISOR CASSETE (B)54 4-233-986-11 TAMPA CASSETE (A)
54-1 4-234-012-11 VISOR CASSETE (A)55 4-231-805-02 KNOB MIC56 4-233-981-01 CASSETE DOOR SPRING L57 4-224-803-01 SPRING (PUSH), COMPRESSION58 4-224-562-12 BRACKET (HEART CAM L)
59 4-224-560-11 CAM(L). HEART60 4-231-568-01 DAMPER61 Y-8373-562-A PAINEL FRONTAL MONTADO61-1 4-234-008-21 PAINEL FRONTAL 61-2 4-234-021-01 BOTÃO POWER
61-3 4-233-992-01 BOTÃO FUNÇÃO61-4 4-234-022-11 BOTÃO GROOVE61-5 4-234-024-01 BOTÃO RECORD61-6 4-234-023-01 BOTÃO KARAOKE PON61-7 4-234-025-01 INDICADOR REC
61-8 4-234-026-11 BOTÃO CD CONTROL61-9 4-234-027-01 BOTÃO DISPLAY61-10 4-234-028-11 BOTÃO CURSOR61-11 4-234-029-11 BOTÃO MUSIC61-12 4-234-030-11 BOTÃO ENTER
61-13 4-234-031-11 INDICADOR ENTER61-14 4-234-088-01 VISOR DO DISPLAY61-15 4-234-089-21 SUB PAINEL61-16 4-963-404-02 EMBLEMA SONY62 1-681-447-11 KEY BOARD
63 Y-8373-558-A PCI PAINEL MONTADA64 1-796-123-21 DECK, MECH (CWLFR35)65 4-224-561-12 BRACKET (HEART CAM R)66 4-233-982-01 CASSETE DOOR SPRING R67 4-224-559-11 CAM (R), HEART
68 4-225-252-01 CUSHION (FOOT)69 4-951-620-01 SCREW (2.6X8), +BVTP70 4-234-016-01 FL HOLDER
47
MHC-DX20
48
MHC-DX20
7-3. CHASSIS
Ref. No. Part No. Description Remark
101 1-773-049-11 WIRE (FLAT TYPE)(17 CORE)102 A-4476-781-A PCI PRINCIPAL MONTADA
* 103 A-4476-783-A HOLDER, PWB104 1-791-897-12 WIRE (FLAT TYPE) (19 CORE)
105 Y-8373-560-A PLACA TRANS
106 3-004-269-01 BUSHING107 A-4725-997-A PLACA POWER AMP
0108 1-757-813-21 CABO DE FORÇA MONTADO0T911 1-437-357-21 TRANSFORMADOR DE FORÇA
#5#3
#4
#2
#3
#2
109
110
108
108
103
107
106
101
102
104
105
não fornecido
T911
não fornecido
Os componentes identificadoscom a marca 0 são críticos paraa segurança. Somente os subs-titua por peças numericamenteespecificadas nesse manual.
49
MHC-DX20
7-4. MECANISMO DO CD
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
266
nãofornecido
não fornecido
não fornecido
251
252
253
254
255
256
274
275 276
269
257
259
258
258
258
258
260
261262
263
251
264
271
265
268
279
271284267
271
270
270
270
283
283
283258
M721
282
284
286
287
288
251 4-933-134-11 SCREW (+PTPWH M2.6X8)252 4-221-679-01 CAM (RELAY)253 4-231-452-01 TABLE (NEW)254 4-221-686-01 LEVER (CHANGE)255 4-221-676-01 TRAY
256 4-933-134-51 SCREW (+PTPWH 2.6X8)257 1-675-910-14 MOTOR BOARD258 4-951-620-01 SCREW (2.6X8), +BVTP259 1-791-983-11 WIRE (FLAT TYPE) (8 CORE)260 1-675-911-14 ADDRESS SENSOR BOARD
261 1-675-912-14 DRIVER BOARD262 X-4952-608-1 CAM (U/D) ASSY263 4-221-681-01 LEVER (EX)264 4-221-682-01 LEVER (LIFTER)265 4-221-688-01 PULLEY (B), CHUCKING
266 1-471-035-11 MAGNET ASSY267 X-4952-019-1 PULLEY (A) ASSY, CHUCKING
268 X-4951-889-1 HOLDER (BU) ASSY269 4-222-095-01 BELT270 4-227-045-11 SPRING (INSULATOR), COIL271 4-985-672-01 SCREW (+PTPWH M2.6), FLOATING274 4-221-678-01 CAM (CONTROL)
275 4-221-683-01 GEAR (U)276 4-221-685-01 PULLEY (S)279 4-227-899-01 SCREW (DIA. 12), FROATING282 4-222-097-01 SCREW, STEP283 4-227-549-11 INSULATOR
284 4-231-151-01 STOPPER (BU)0286 8-820-116-01 OPTICAL PICK-UP KSM-213DCP/Z-NP
287 A-4724-934-A BD BOARD, COMPLETE288 1-792-024-11 WIRE (FLAT TYPE) (16 CORE)M721 A-4672-826-A MOTOR ASSY
Os componentes identificadoscom a marca 0 são críticos paraa segurança. Somente os subs-titua por peças numericamenteespecificadas nesse manual.
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
50
SEÇÃO 8 LISTA DE PEÇAS ELÉTRICAS
NOTA:• Devido a padronização algumas peças dessa
lista podem apresentar diferenças das peçasindicadas nos esquemas elétricos ou mesmodas utilizadas no aparelho.
• -XX, -X indicam peça padronizada quepode apresentar diferença daquela original-mente utilizada no aparelho.
• Itens com a marcar “*” não são mantidas em estoque por serem raramente solicitadas.Atrasos podem ser evitados antecipando-seos pedidos para estes itens.
• CAPACITORS:uF: µF
• RESISTORESTodos os resistores estão em ohms.METAL: resistor de metal-film METAL OXIDE: resistor Metal Oxide-filmF: anti-chama
• INDUTORESuH: µH
• SEMICONDUTORESEm cada caso, u: µ, por exemplo:uA...: µA... , uPA... , µPA... ,uPB... , µPB... , uPC... , µPC... ,uPD..., µPD...
Quando solicitar peças pelo número de referênciapor favor indique também o nome da placa.
Os componentes identificados com a marca0 são críticos para a segurança. Somente ossubstitua por peças indicadas nesse manual.
MHC-DX20
ADDRESS SENSOR BD
1-675-911-14 ADDRESS SENSOR BOARD**********************
< IC >
IC711 8-749-016-76 IC RPI-321
< RESISTOR >
R711 1-247-876-11 CARBON 75K 5% 1/4WR712 1-249-409-11 CARBON 220 5% 1/4W FR713 1-249-429-11 CARBON 10K 5% 1/4W
< SWITCH >
S711 1-771-821-11 SWITCH, PUSH (1 KEY)(UP DOWN SW)************************************************************
A-472-4934-A BD BOARD, COMPLETE*******************
< CAPACITOR >
C101 1-163-005-11 CERAMIC CHIP 470PF 10.00% 50VC102 1-164-004-11 CERAMIC CHIP 0.1uF 10% 25VC103 1-163-005-11 CERAMIC CHIP 470PF 10.00% 50VC104 1-163-009-11 CERAMIC CHIP 0.001uF 10.00% 50VC108 1-164-004-11 CERAMIC CHIP 0.1uF 10% 25V
C109 1-163-011-11 CERAMIC CHIP 0.0015uF 10% 50VC110 1-164-182-11 CERAMIC CHIP 0.0033uF 10% 50VC111 1-163-251-11 CERAMIC CHIP 100PF 5.00% 50VC112 1-107-682-11 CERAMIC CHIP 1uF 10.00% 16VC114 1-163-038-00 CERAMIC CHIP 0.1uF 25V
C115 1-104-665-11 ELECT 100uF 20.00% 10VC116 1-104-665-11 ELECT 100uF 20.00% 10VC117 1-104-665-11 ELECT 100uF 20.00% 10VC118 1-163-009-11 CERAMIC CHIP 0.001uF 10.00% 50VC119 1-163-235-11 CERAMIC CHIP 22PF 5.00% 50V
C121 1-163-038-00 CERAMIC CHIP 0.1uF 25VC122 1-104-665-11 ELECT 100uF 20.00% 10VC123 1-163-021-91 CERAMIC CHIP 0.01uF 10.00% 50VC124 1-107-823-11 CERAMIC CHIP 0.47uF 10.00% 16VC125 1-163-038-00 CERAMIC CHIP 0.1uF 25V
C126 1-163-038-91 CERAMIC CHIP 0.1uF 25VC127 1-104-665-11 ELECT 100uF 20.00% 10VC129 1-163-031-91 CERAMIC CHIP 0.01uF 50VC130 1-164-346-11 CERAMIC CHIP 1uF 16VC131 1-126-964-11 ELECT 10uF 20.00% 50V
C133 1-164-346-11 CERAMIC CHIP 1uF 16VC140 1-164-346-11 CERAMIC CHIP 1uF 16VC141 1-164-346-11 CERAMIC CHIP 1uF 16VC143 1-163-038-00 CERAMIC CHIP 0.1uF 25VC145 1-163-038-00 CERAMIC CHIP 0.1uF 25V
C153 1-163-038-00 CERAMIC CHIP 0.1uF 25VC159 1-163-019-00 CERAMIC CHIP 0.0068uF 10% 50VC162 1-104-665-11 ELECT 100uF 20.00% 10VC163 1-104-665-11 ELECT 100uF 20.00% 10VC165 1-163-038-00 CERAMIC CHIP 0.1uF 25V
C167 1-163-237-11 CERAMIC CHIP 27PF 5.00% 50VC168 1-163-235-11 CERAMIC CHIP 22PF 5.00% 50VC171 1-163-009-11 CERAMIC CHIP 0.001uF 10.00% 50VC172 1-163-123-00 CERAMIC CHIP 180PF 5% 50VC181 1-163-009-11 CERAMIC CHIP 0.001uF 10.00% 50V
C182 1-163-123-00 CERAMIC CHIP 180PF 5% 50V
< CONNECTOR >
CN101 1-784-741-11 CONNECTOR, FFC 19PCN102 1-793-907-11 CONNECTOR, FFC/FPC 16P
< FERRITE BEAD >
FB101 1-469-731-21 INDUCTOR 0UHFB103 1-469-731-21 INDUCTOR 0UH
< IC >
IC101 8-752-386-85 IC CXD2587QIC102 8-759-549-28 IC BA5974FP-E2IC103 8-752-085-51 IC CXA2568M-T6
< TRANSISTOR >
Q101 8-729-010-08 TRANSISTOR MSB710-RT1
< RESISTOR >
R101 1-216-077-00 RES-CHIP 15K 5% 1/10WR102 1-216-097-11 RES-CHIP 100K 5% 1/10WR103 1-216-077-00 RES-CHIP 15K 5% 1/10WR104 1-216-085-00 RES-CHIP 33K 5% 1/10WR105 1-216-073-00 RES-CHIP 10K 5% 1/10W
R106 1-216-049-11 RES-CHIP 1K 5% 1/10WR107 1-216-073-00 RES-CHIP 10K 5% 1/10WR108 1-216-061-00 RES-CHIP 3.3K 5% 1/10WR109 1-216-121-11 RES-CHIP 1M 5% 1/10WR110 1-216-025-11 RES-CHIP 100 5% 1/10W
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
51
MHC-DX20
DRIVER KEYBD
R111 1-216-121-11 RES-CHIP 1M 5% 1/10WR113 1-216-121-11 RES-CHIP 1M 5% 1/10WR114 1-216-073-00 RES-CHIP 10K 5% 1/10WR116 1-216-001-00 METAL CHIP 10 5% 1/10WR117 1-216-049-11 RES-CHIP 1K 5% 1/10W
R118 1-216-025-11 RES-CHIP 100 5% 1/10WR119 1-216-059-00 METAL CHIP 2.7K 5% 1/10WR123 1-216-073-00 RES-CHIP 10K 5% 1/10WR124 1-216-097-11 RES-CHIP 100K 5% 1/10WR131 1-216-033-00 METAL CHIP 220 5% 1/10W
R143 1-216-103-00 METAL CHIP 180K 5% 1/10WR144 1-216-103-00 METAL CHIP 180K 5% 1/10WR147 1-216-069-00 METAL CHIP 6.8K 5% 1/10WR148 1-216-001-00 METAL CHIP 10 5% 1/10WR149 1-216-001-00 METAL CHIP 10 5% 1/10W
R158 1-216-111-00 METAL CHIP 390K 5% 1/10WR159 1-216-101-00 METAL CHIP 150K 5% 1/10WR162 1-216-101-00 METAL CHIP 150K 5% 1/10WR171 1-216-078-00 RES-CHIP 16K 5% 1/10WR172 1-216-073-91 RES-CHIP 10K 5% 1/10W
R173 1-216-077-00 RES-CHIP 15K 5% 1/10WR181 1-216-078-00 RES-CHIP 16K 5% 1/10WR182 1-216-073-00 RES-CHIP 10K 5% 1/10WR183 1-216-077-00 RES-CHIP 15K 5% 1/10W
< NETWORK >
RN101 1-233-576-11 RES, CHIP NETWORK 100
< SWITCH >
S101 1-771-853-11 SWITCH, DETECTION(LIMIT IN)
< VIBRATOR >
X101 1-579-280-11 VIBRATOR, CRYSTAL(16.9344MHz)************************************************************
1-675-912-14 DRIVER BOARD*************
< CAPACITOR >
C702 1-126-964-11 ELECT 10uF 20.00% 50V
< CONNECTOR >
CN701 1-785-336-11 PIN, CONNECTOR(LIGHT ANGLE)10PCN702 1-785-550-11 CONNECTOR, FFC/FPC 8P
< DIODE >
D701 8-719-983-15 DIODE MTZJ-T-77-3.9A
< IC >
IC701 8-759-598-69 IC BA6956AN
< RESISTOR >
R701 1-249-411-11 CARBON 330 5% 1/4WR702 1-249-401-11 CARBON 47 5% 1/4W F
************************************************************
A-4726-038-A KEY BOARD, COMPLETE ********************
1-681-447-11 KEY BOARD**********
< DIODE >
D707 8-719-058-04 DIODE SEL5223S-TP15(REC PAUSE/START)D708 8-719-058-04 DIODE SEL5223S-TP15(ENTER)D709 8-719-057-97 DIODE SEL5923A-TP15(KARAOKE) D710 8-719-057-97 DIODE SEL5923A-TP15(GROOVE)
< TRANSISTOR >
Q707 8-729-029-67 TRANSISTOR BA1A4M-TPQ708 8-729-029-67 TRANSISTOR BA1A4M-TPQ709 8-729-029-67 TRANSISTOR BA1A4M-TP Q710 8-729-029-67 TRANSISTOR BA1A4M-TP
< RESISTOR >
R703 1-249-413-11 CARBON 470 5% 1/4W FR704 1-249-414-11 CARBON 560 5% 1/4W FR705 1-249-415-11 CARBON 680 5% 1/4W FR706 1-249-417-11 CARBON 1K 5% 1/4W FR707 1-249-418-11 CARBON 1.2K 5% 1/4W F
R708 1-249-420-11 CARBON 1.8K 5% 1/4W FR709 1-249-422-11 CARBON 2.7K 5% 1/4W FR710 1-247-843-11 CARBON 3.3K 5% 1/4WR711 1-249-425-11 CARBON 4.7K 5% 1/4W F
R713 1-249-410-11 CARBON 270 5% 1/4W F
R714 1-249-411-11 CARBON 330 5% 1/4WR715 1-249-413-11 CARBON 470 5% 1/4W FR716 1-249-414-11 CARBON 560 5% 1/4W FR717 1-249-415-11 CARBON 680 5% 1/4W FR718 1-249-417-11 CARBON 1K 5% 1/4W F
R719 1-249-418-11 CARBON 1.2K 5% 1/4W FR720 1-249-420-11 CARBON 1.8K 5% 1/4W FR721 1-249-422-11 CARBON 2.7K 5% 1/4W FR726 1-249-410-11 CARBON 270 5% 1/4W FR727 1-249-411-11 CARBON 330 5% 1/4W
R728 1-249-413-11 CARBON 470 5% 1/4W FR729 1-249-414-11 CARBON 560 5% 1/4W FR730 1-249-415-11 CARBON 680 5% 1/4W FR731 1-249-417-11 CARBON 1K 5% 1/4W FR732 1-249-418-11 CARBON 1.2K 5% 1/4W F
R733 1-249-420-11 CARBON 1.8K 5% 1/4W FR734 1-249-422-11 CARBON 2.7K 5% 1/4W FR735 1-247-843-11 CARBON 3.3K 5% 1/4WR736 1-249-425-11 CARBON 4.7K 5% 1/4W FR737 1-249-427-11 CARBON 6.8K 5% 1/4W F
R745 1-249-411-11 CARBON 330 5% 1/4WR746 1-249-411-11 CARBON 330 5% 1/4WR797 1-249-411-11 CARBON 330 5% 1/4W
(DX30)R798 1-249-411-11 CARBON 330 5% 1/4W
< SWITCH >
S704 1-771-874-11 SWITCH, KEYBOARD(DISC SKIP EX-CHANGE)S705 1-771-874-11 SWITCH, KEYBOARD(DISC 1)S706 1-771-874-11 SWITCH, KEYBOARD(DISC 2)S707 1-771-874-11 SWITCH, KEYBOARD(DISC 3)S708 1-771-874-11 SWITCH, KEYBOARD(Z OPEN/CLOSE)
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
52
MHC-DX20
KEY MAIN
S709 1-771-874-11 SWITCH, KEYBOARD( v)S710 1-771-874-11 SWITCH, KEYBOARD( V)S711 1-771-874-11 SWITCH, KEYBOARD(GROOVE)S712 1-771-874-11 SWITCH, KEYBOARD(KARAOKE PON) S713 1-771-874-11 SWITCH, KEYBOARD( m -)
S714 1-771-874-11 SWITCH, KEYBOARD( .)S715 1-771-874-11 SWITCH, KEYBOARD( x)S716 1-771-874-11 SWITCH, KEYBOARD(gG)S717 1-771-874-11 SWITCH, KEYBOARD( X)S718 1-771-874-11 SWITCH, KEYBOARD( >)
S719 1-771-874-11 SWITCH, KEYBOARD(+ M)S720 1-771-874-11 SWITCH, KEYBOARD(CD SYNC)S721 1-771-874-11 SWITCH, KEYBOARD(REC PAUSE/START)S726 1-771-874-11 SWITCH, KEYBOARD(DISPLAY)S727 1-771-874-11 SWITCH, KEYBOARD(SPECTRUM)
S728 1-771-874-11 SWITCH, KEYBOARD(DIRECTION/EDIT)S729 1-771-874-11 SWITCH, KEYBOARD(STEREO/MONO/REPEAT)S730 1-771-874-11 SWITCH, KEYBOARD(TUNER MEMORY/
PLAY MODE)S731 1-771-874-11 SWITCH, KEYBOARD(GAME EQ)S732 1-771-874-11 SWITCH, KEYBOARD(ENTER)
S733 1-771-874-11 SWITCH, KEYBOARD(P FILE)S734 1-771-874-11 SWITCH, KEYBOARD( B)S735 1-771-874-11 SWITCH, KEYBOARD( b)S736 1-771-874-11 SWITCH, KEYBOARD(MUSIC EQ)S737 1-771-874-11 SWITCH, KEYBOARD(EFFECT ON/OFF)
S738 1-771-874-11 SWITCH, KEYBOARD(MOVE EQ)************************************************************
*************************************************************Y-8373-556-A PLACA PRINCIPAL MONTADA
*************************************************************
7-685-872-09 SCREW +BVTT 3X8 (S)
< CAPACITOR >
C101 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC102 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC103 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC104 1-126-947-11 ELECT 47uF 20.00% 16V
C105 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC106 1-126-933-11 ELECT 100uF 20.00% 16VC107 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC108 1-126-964-11 ELECT 10uF 20.00% 50VC109 1-162-935-11 CERAMIC CHIP 4PF 0.25PF 50V
C110 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC111 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC112 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC113 1-126-959-11 ELECT 0.47uF 20.00% 50VC114 1-126-947-11 ELECT 47uF 20.00% 16V
C115 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC116 1-126-961-11 ELECT 2.2uF 20.00% 50VC117 1-126-947-11 ELECT 47uF 20.00% 16VC118 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC119 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V
C120 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC121 1-162-919-11 CERAMIC CHIP 22PF 5% 50VC122 1-162-921-11 CERAMIC CHIP 33PF 5% 50VC123 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC124 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50V
C125 1-126-947-11 ELECT 47uF 20.00% 16VC126 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC127 1-126-960-11 ELECT 1uF 20.00% 50VC128 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC129 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V
C130 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25VC131 1-164-227-11 CERAMIC CHIP 0.022uF 10% 25V
C132 1-164-227-11 CERAMIC CHIP 0.022uF 10% 25V
C133 1-126-957-11 ELECT 0.22uF 20.00% 50VC134 1-104-760-11 CERAMIC CHIP 0.047uF 10.00% 50VC135 1-126-963-11 ELECT 4.7uF 20.00% 50VC136 1-126-963-11 ELECT 4.7uF 20.00% 50VC137 1-126-964-11 ELECT 10uF 20.00% 50V
C139 1-162-957-11 CERAMIC CHIP 220PF 5% 50V
C140 1-126-960-11 ELECT 1uF 20.00% 50VC141 1-104-760-11 CERAMIC CHIP 0.047uF 10.00% 50V
C142 1-162-953-11 CERAMIC CHIP 100PF 5% 50V
C143 1-126-965-11 ELECT 22uF 20.00% 50V
C144 1-126-947-11 ELECT 47uF 20.00% 16V
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
53
MHC-DX20
MAIN
C201 1-162-963-11 CERAMIC CHIP 680PF 10% 50VC202 1-162-963-11 CERAMIC CHIP 680PF 10% 50V
C203 1-162-963-11 CERAMIC CHIP 680PF 10% 50VC204 1-162-963-11 CERAMIC CHIP 680PF 10% 50VC205 1-162-960-11 CERAMIC CHIP 220PF 10% 50VC206 1-162-960-11 CERAMIC CHIP 220PF 10% 50VC207 1-162-960-11 CERAMIC CHIP 220PF 10% 50V
C208 1-162-960-11 CERAMIC CHIP 220PF 10% 50VC209 1-126-947-11 ELECT 47uF 20.00% 16VC210 1-126-947-11 ELECT 47uF 20.00% 16VC211 1-130-486-00 MYLAR 0.018uF 10% 50VC212 1-130-486-00 MYLAR 0.018uF 10% 50V
C213 1-126-960-11 ELECT 1uF 20.00% 50VC214 1-126-960-11 ELECT 1uF 20.00% 50VC215 1-126-961-11 ELECT 2.2uF 20.00% 50VC217 1-126-947-11 ELECT 47uF 20.00% 16VC218 1-126-947-11 ELECT 47uF 20.00% 16V
C219 1-126-961-11 ELECT 2.2uF 20.00% 50V
C221 1-126-963-11 ELECT 4.7uF 20.00% 50V
C222 1-126-963-11 ELECT 4.7uF 20.00% 50V
C223 1-130-487-00 MYLAR 0.022uF 5% 50VC224 1-162-962-11 CERAMIC CHIP 470PF 10% 50V
C225 1-126-963-11 ELECT 4.7uF 20.00% 50V
C226 1-162-977-11 CERAMIC CHIP 0.0018uF 10.00% 50V
C227 1-162-949-11 CERAMIC CHIP 47PF 5% 50VC228 1-162-949-11 CERAMIC CHIP 47PF 5% 50VC229 1-104-665-11 ELECT 100uF 20.00% 10VC230 1-104-665-11 ELECT 100uF 20.00% 10V
C231 1-126-959-11 ELECT 0.47uF 20.00% 50V
C232 1-126-959-11 ELECT 0.47uF 20.00% 50V
C234 1-137-371-91 MYLAR 0.01uF 5% 50V
C235 1-126-960-11 ELECT 1uF 20.00% 50VC236 1-126-933-11 ELECT 100uF 20.00% 16VC237 1-162-962-11 CERAMIC CHIP 470PF 10% 50VC238 1-162-977-11 CERAMIC CHIP 0.0018uF 10.00% 50VC239 1-130-485-00 MYLAR 0.015uF 5% 50V
C240 1-126-947-11 ELECT 47uF 20.00% 16VC241 1-130-479-00 MYLAR 0.0047uF 5% 50VC242 1-130-471-00 MYLAR 0.001uF 5% 50VC243 1-162-965-11 CERAMIC CHIP 0.0015uF 10% 50VC244 1-162-965-11 CERAMIC CHIP 0.0015uF 10% 50V
C256 1-126-960-11 ELECT 1uF 20.00% 50VC257 1-126-956-11 ELECT 0.1uF 20.00% 50VC265 1-162-974-11 CERAMIC CHIP 0.01uF 50VC266 1-162-995-11 CERAMIC CHIP 0.022uF 50VC270 1-126-933-11 ELECT 100uF 20.00% 16V
C271 1-126-960-11 ELECT 1uF 20.00% 50VC272 1-126-960-11 ELECT 1uF 20.00% 50VC300 1-136-165-00 FILM 0.1uF 5.00% 50VC301 1-126-963-11 ELECT 4.7uF 20.00% 50VC302 1-126-963-11 ELECT 4.7uF 20.00% 50V
C303 1-126-963-11 ELECT 4.7uF 20.00% 50VC304 1-126-963-11 ELECT 4.7uF 20.00% 50VC307 1-126-963-11 ELECT 4.7uF 20.00% 50VC308 1-126-963-11 ELECT 4.7uF 20.00% 50VC309 1-126-963-11 ELECT 4.7uF 20.00% 50V
C310 1-126-963-11 ELECT 4.7uF 20.00% 50VC311 1-126-964-11 ELECT 10uF 20.00% 50VC312 1-136-165-00 FILM 0.1uF 5.00% 50VC313 1-130-491-00 MYLAR 0.047uF 5% 50VC314 1-126-963-11 ELECT 4.7uF 20.00% 50V
C315 1-126-963-11 ELECT 4.7uF 20.00% 50VC317 1-136-169-00 FILM 0.22uF 5.00% 50VC318 1-136-169-00 FILM 0.22uF 5.00% 50VC319 1-136-169-00 FILM 0.22uF 5.00% 50VC320 1-136-169-00 FILM 0.22uF 5.00% 50V
C321 1-136-171-00 FILM 0.33uF 5.00% 50VC322 1-164-156-11 CERAMIC CHIP 0.1uF 25VC325 1-130-487-00 MYLAR 0.022uF 5% 50VC326 1-130-487-00 MYLAR 0.022uF 5% 50VC327 1-130-487-00 MYLAR 0.022uF 5% 50V
C328 1-130-487-00 MYLAR 0.022uF 5% 50VC333 1-130-475-00 MYLAR 0.0022uF 5% 50VC334 1-130-475-00 MYLAR 0.0022uF 5% 50VC337 1-130-491-00 MYLAR 0.047uF 5% 50VC338 1-130-491-00 MYLAR 0.047uF 5% 50V
C339 1-130-491-00 MYLAR 0.047uF 5% 50VC340 1-130-491-00 MYLAR 0.047uF 5% 50VC342 1-136-165-00 FILM 0.1uF 5.00% 50VC343 1-136-165-00 FILM 0.1uF 5.00% 50VC344 1-126-964-11 ELECT 10uF 20.00% 50V
C345 1-126-934-11 ELECT 220uF 20.00% 16VC346 1-136-170-00 FILM 0.27uF 5.00% 50VC347 1-126-964-11 ELECT 10uF 20.00% 50VC348 1-126-964-11 ELECT 10uF 20.00% 50VC349 1-104-665-11 ELECT 100uF 20.00% 10V
C245 1-165-128-91 CERAMIC CHIP 0.22uF 16V
C246 1-165-128-91 CERAMIC CHIP 0.22uF 16V
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
54
MHC-DX20
MAIN
C350 1-165-128-11 CERAMIC CHIP 0.22uF 16V
C351 1-162-962-11 CERAMIC CHIP 470PF 10% 50V
C352 1-162-962-11 CERAMIC CHIP 470PF 10% 50V
C356 1-126-963-11 ELECT 4.7uF 20.00% 50VC360 1-164-156-11 CERAMIC CHIP 0.1uF 25VC361 1-107-721-11 ELECT 4.7uF 20.00% 100VC362 1-107-721-11 ELECT 4.7uF 20.00% 100VC363 1-107-717-11 ELECT 47uF 20.00% 50V
C364 1-109-953-11 ELECT 2.2uF 20.00% 50V
C375 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC376 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC377 1-126-963-11 ELECT 4.7uF 20.00% 50VC378 1-164-156-11 CERAMIC CHIP 0.1uF 25VC381 1-104-665-11 ELECT 100uF 20.00% 10V
C382 1-126-961-11 ELECT 2.2uF 20.00% 50VC383 1-126-961-11 ELECT 2.2uF 20.00% 50VC601 1-164-156-11 CERAMIC CHIP 0.1uF 25VC602 1-126-964-11 ELECT 10uF 20.00% 50VC603 1-162-960-11 CERAMIC CHIP 220PF 10% 50V
C604 1-162-960-11 CERAMIC CHIP 220PF 10% 50VC605 1-162-960-11 CERAMIC CHIP 220PF 10% 50VC606 1-162-960-11 CERAMIC CHIP 220PF 10% 50VC607 1-162-918-11 CERAMIC CHIP 18PF 5.00% 50VC608 1-162-917-11 CERAMIC CHIP 15PF 5% 50V
C610 1-126-964-11 ELECT 10uF 20.00% 50VC611 1-162-974-11 CERAMIC CHIP 0.01uF 50VC612 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC613 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50VC614 1-164-156-11 CERAMIC CHIP 0.1uF 25V
C644 1-164-156-11 CERAMIC CHIP 0.1uF 25VC656 1-164-156-11 CERAMIC CHIP 0.1uF 25VC657 1-164-156-11 CERAMIC CHIP 0.1uF 25VC658 1-164-156-11 CERAMIC CHIP 0.1uF 25VC659 1-164-156-11 CERAMIC CHIP 0.1uF 25V
C660 1-164-156-11 CERAMIC CHIP 0.1uF 25VC661 1-128-551-11 ELECT 22uF 20.00% 25V
C662 1-136-165-00 FILM 0.1uF 5.00% 50VC663 1-136-165-00 FILM 0.1uF 5.00% 50V
C664 1-162-974-11 CERAMIC CHIP 0.01uF 50VC665 1-126-916-11 ELECT 1000uF 20.00% 6.3VC666 1-164-156-11 CERAMIC CHIP 0.1uF 25VC671 1-126-916-11 ELECT 1000uF 20.00% 6.3VC672 1-162-953-11 CERAMIC CHIP 100PF 5% 50V
C673 1-162-953-11 CERAMIC CHIP 100PF 5% 50VC674 1-162-953-11 CERAMIC CHIP 100PF 5% 50VC675 1-126-935-11 ELECT 470uF 20.00% 10VC676 1-104-665-11 ELECT 100uF 20.00% 10VC677 1-126-935-11 ELECT 470uF 20.00% 10V
C678 1-162-953-11 CERAMIC CHIP 100PF 5% 50VC679 1-162-953-11 CERAMIC CHIP 100PF 5% 50VC681 1-136-165-00 FILM 0.1uF 5.00% 50VC683 1-136-165-00 FILM 0.1uF 5.00% 50VC684 1-136-165-00 FILM 0.1uF 5.00% 50V
C685 1-126-768-11 ELECT 2200uF 20.00% 16VC686 1-126-964-11 ELECT 10uF 20.00% 50VC687 1-126-916-11 ELECT 1000uF 20.00% 6.3VC688 1-126-964-11 ELECT 10uF 20.00% 50VC689 1-104-665-11 ELECT 100uF 20.00% 10V
C690 1-126-964-11 ELECT 10uF 20.00% 50VC691 1-126-933-11 ELECT 100uF 20.00% 16VC692 1-126-935-11 ELECT 470uF 20.00% 16VC693 1-130-483-00 MYLAR 0.01uF 5% 50VC694 1-130-483-00 MYLAR 0.01uF 5% 50V
C697 1-126-943-11 ELECT 2200uF 20.00% 25VC698 1-126-964-11 ELECT 10uF 20.00% 50VC699 1-126-935-11 ELECT 470uF 20.00% 16VC235A 1-162-949-11 CERAMIC CHIP 47PF 5% 50VC236A 1-162-949-11 CERAMIC CHIP 47PF 5% 50V
< FILTER >
CF101 1-760-233-81 FILTER, CERAMIC
CF102 1-760-233-81 FILTER, CERAMIC
< CONNECTOR >
CN2 1-784-778-11 CONNECTOR, FFC 17PCN5 1-564-506-11 PLUG, CONNECTOR 3PCN102 1-784-741-11 CONNECTOR, FFC 19P
* CN203 1-564-705-11 PIN, CONNECTOR (SMALL TYPE) 3P (RG40:AEP)CN402 1-778-982-21 CONNECTOR, BOARD TO BOARD 13P
CN403 1-778-982-21 CONNECTOR, BOARD TO BOARD 13PCN701 1-793-766-11 CONNECTOR, BOARD TO BOARD 30PCN714 1-564-505-11 PLUG, CONNECTOR 2P
< DIODE >
D101 8-719-914-49 DIODE DA204K-T-146D104 8-719-069-57 DIODE UDZSTE-176.8BD107 8-719-988-61 DIODE 1SS355TE-17 D108 8-719-988-61 DIODE 1SS355TE-17D203 8-719-988-61 DIODE 1SS355TE-17
D204 8-719-988-61 DIODE 1SS355TE-17D205 8-719-988-61 DIODE 1SS355TE-17D206 8-719-988-61 DIODE 1SS355TE-17D207 8-719-988-61 DIODE 1SS355TE-17D301 8-719-069-60 DIODE UDZSTE-179.1B
D302 8-719-988-61 DIODE 1SS355TE-17D303 8-719-988-61 DIODE 1SS355TE-17D361 8-719-988-61 DIODE 1SS355TE-17D371 8-719-988-61 DIODE 1SS355TE-17D372 8-719-988-61 DIODE 1SS355TE-17
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
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MHC-DX20
MAIN
D374 8-719-988-61 DIODE 1SS355TE-17D383 8-719-988-61 DIODE 1SS355TE-17D601 8-719-988-61 DIODE 1SS355TE-17D602 8-719-988-61 DIODE 1SS355TE-17D661 8-719-988-61 DIODE 1SS355TE-17
D662 8-719-988-61 DIODE 1SS355TE-17D663 8-719-988-61 DIODE 1SS355TE-17D664 8-719-988-61 DIODE 1SS355TE-17D665 8-719-988-61 DIODE 1SS355TE-17D666 8-719-988-61 DIODE 1SS355TE-17
D667 8-719-988-61 DIODE 1SS355TE-17D668 8-719-988-61 DIODE 1SS355TE-17D669 8-719-988-61 DIODE 1SS355TE-17D670 8-719-988-61 DIODE 1SS355TE-17D681 8-719-083-89 DIODE 11ES2N-TB5
D682 8-719-083-89 DIODE 11ES2N-TB5D683 8-719-083-89 DIODE 11ES2N-TB5D684 8-719-083-89 DIODE 11ES2N-TB5D685 8-719-988-61 DIODE 1SS355TE-17D686 8-719-988-61 DIODE 1SS355TE-17
D687 8-719-083-89 DIODE 11ES2N-TB5D688 8-719-083-89 DIODE 11ES2N-TB5D689 8-719-083-89 DIODE 11ES2N-TB5D690 8-719-083-89 DIODE 11ES2N-TB5D691 8-719-083-89 DIODE 11ES2N-TB5
D692 8-719-083-89 DIODE 11ES2N-TB5D693 8-719-083-89 DIODE 11ES2N-TB5D694 8-719-083-89 DIODE 11ES2N-TB5D695 8-719-083-89 DIODE 11ES2N-TB5
< TERMINAL >
* EP1 1-537-738-21 TERMINAL, EARTH
< FERRITE BEAD >
FB1 1-216-864-11 METAL CHIP 0 5% 1/16W
FB2 1-216-864-11 METAL CHIP 0 5% 1/16W
FB3 1-216-864-11 METAL CHIP 0 5% 1/16W
FB4 1-216-864-11 METAL CHIP 0 5% 1/16W
FB5 1-216-864-11 METAL CHIP 0 5% 1/16W
FB6 1-216-864-11 METAL CHIP 0 5% 1/16W
< FRONT END >
FE101 1-693-477-12 FRONT END (3 GANGS)
< TERMINAL >
* GND1 1-537-738-21 TERMINAL, EARTH
< IC >
IC101 8-759-652-00 IC BA1450IC102 8-759-288-54 IC LC72130
IC201 8-759-242-58 IC TA8189NIC301 8-759-832-80 IC BH3878KS2
IC401 6-800-194-01 IC M30622MCA-B23FPIC661 8-759-635-46 IC M51943BSL-TPIC681 8-759-039-69 IC uPC7805AHFIC682 8-759-039-69 IC uPC7805AHFIC683 8-759-088-08 IC uPC7812AHF
IC684 8-759-604-31 IC M5F7809L
< IFT >
IFT101 1-435-295-12 TRANSFORMER, IF
< JACK >
JK301 1-794-935-11 JACK, PIN 2P (AUDIO IN)JK302 1-694-635-11 TERMINAL BOARD (4P) (SPEAKER)
< JUMPER RESISTOR >
JR1 1-216-864-11 METAL CHIP 0 5% 1/16WJR4 1-216-864-11 METAL CHIP 0 5% 1/16WJR7 1-216-864-11 METAL CHIP 0 5% 1/16WJR8 1-216-864-11 METAL CHIP 0 5% 1/16WJR10 1-216-864-11 METAL CHIP 0 5% 1/16W
JR11 1-216-864-11 METAL CHIP 0 5% 1/16W
JR14 1-216-864-11 METAL CHIP 0 5% 1/16W
JR15 1-216-864-11 METAL CHIP 0 5% 1/16W
JR16 1-216-864-11 METAL CHIP 0 5% 1/16W
JR17 1-216-864-11 METAL CHIP 0 5% 1/16W
JR109 1-216-864-11 METAL CHIP 0 5% 1/16W
JR602 1-216-864-11 METAL CHIP 0 5% 1/16W
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
56
MHC-DX20
MAIN
JR603 1-216-864-11 METAL CHIP 0 5% 1/16W
JR606 1-216-864-11 METAL CHIP 0 5% 1/16W
JR607 1-216-864-11 METAL CHIP 0 5% 1/16W
JR633 1-216-864-11 METAL CHIP 0 5% 1/16W
JR634 1-216-864-11 METAL CHIP 0 5% 1/16W
JR635 1-216-864-11 METAL CHIP 0 5% 1/16W
JR638 1-216-864-11 METAL CHIP 0 5% 1/16W
JR640 1-216-864-11 METAL CHIP 0 5% 1/16WJR641 1-216-864-11 METAL CHIP 0 5% 1/16W
JR642 1-216-864-11 METAL CHIP 0 5% 1/16W
< COIL >
L107 1-216-864-11 METAL CHIP 0 5% 1/16W
L201 1-437-220-11 TRANSFORMER, BIAS OSCILLATION
L671 1-414-189-31 INDUCTOR 100uH
< PHOTO INTERRUPTER >
PH671 8-749-923-04 IC TOTX178A
< TRANSISTOR >
Q101 8-729-926-49 TRANSISTOR 2SC2410S-TPNPQ102 8-729-029-21 TRANSISTOR BN1A4M-TPQ103 8-729-920-75 TRANSISTOR 2SC2412K-T-146-QRQ104 8-729-920-75 TRANSISTOR 2SC2412K-T-146-QR
Q210 8-729-139-96 TRANSISTOR 2SC2785HFEQ211 8-729-139-96 TRANSISTOR 2SC2785HFEQ212 8-729-139-96 TRANSISTOR 2SC2785HFEQ213 8-729-139-96 TRANSISTOR 2SC2785HFEQ214 8-729-141-30 TRANSISTOR 2SC3623ATP-LK
Q215 8-729-141-30 TRANSISTOR 2SC3623ATP-LKQ216 8-729-141-30 TRANSISTOR 2SC3623ATP-LKQ217 8-729-141-30 TRANSISTOR 2SC3623ATP-LKQ218 8-729-139-96 TRANSISTOR 2SC2785HFEQ219 8-729-139-96 TRANSISTOR 2SC2785HFE
Q220 8-729-139-96 TRANSISTOR 2SC2785-HFEQ221 8-729-136-96 TRANSISTOR 2SC2785-HFEQ222 8-729-136-96 TRANSISTOR 2SC2785-HFEQ223 8-729-142-46 TRANSISTOR 2SC2001TP-LKQ224 8-729-136-96 TRANSISTOR 2SC2785-HFE
Q225 8-729-141-87 TRANSISTOR 2SB1116-TP-LKQ226 8-729-029-41 TRANSISTOR DTA124ESA-TPQ227 8-729-141-87 TRANSISTOR 2SB1116-TP-LKQ228 8-729-141-87 TRANSISTOR 2SB1116-TP-LKQ229 8-729-141-30 TRANSISTOR 2SC3623ATP-LK
Q230 8-729-141-30 TRANSISTOR 2SC3623ATP-LK Q301 8-729-141-30 TRANSISTOR 2SC3623ATP-LKQ302 8-729-141-30 TRANSISTOR 2SC3623ATP-LKQ361 8-729-029-69 TRANSISTOR DTC114ESA-TPQ362 8-729-029-21 TRANSISTOR DTA124ESA-TP
Q363 8-729-141-30 TRANSISTOR 2SC3623ATP-LKQ364 8-729-141-30 TRANSISTOR 2SC3623ATP-LKQ365 8-729-029-21 TRANSISTOR DTA124ESA-TPQ371 8-729-139-96 TRANSISTOR 2SC2785-HFEQ373 8-729-141-87 TRANSISTOR 2SB1116-TP-LK
Q381 8-729-029-21 TRANSISTOR DTA124ESA-TPQ382 8-729-029-21 TRANSISTOR DTA124ESA-TPQ383 8-729-139-98 TRANSISTOR 2SA1175TP-HFEQ384 8-729-029-67 TRANSISTOR DTC114ESA-TPQ385 8-729-029-21 TRANSISTOR DTA124ESA-TP
Q386 8-729-029-21 TRANSISTOR DTA124ESA-TPQ387 8-729-029-21 TRANSISTOR DTA124ESA-TPQ601 8-729-029-67 TRANSISTOR DTC114ESA-TPQ602 8-729-141-87 TRANSISTOR 2SB1116-LKQ603 8-729-029-67 TRANSISTOR DTC114ESA-TP
Q604 8-729-141-87 TRANSISTOR 2SB1116-LKQ605 8-729-029-67 TRANSISTOR DTC114ESA-TPQ606 8-729-116-57 TRANSISTOR 2SB1068TP-KQ661 8-729-139-96 TRANSISTOR 2SC2785TP-HFEQ681 8-729-049-79 TRANSISTOR RT1P137S-TP
Q682 8-729-029-67 TRANSISTOR DTC114ESA-TP
< RESISTOR >
R3 1-216-864-11 METAL CHIP 0 5% 1/16W
R4 1-216-864-11 METAL CHIP 0 5% 1/16W
R7 1-216-864-11 METAL CHIP 0 5% 1/16W
R101 1-216-805-11 METAL CHIP 47 5% 1/16WR102 1-216-819-11 METAL CHIP 680 5% 1/16W
R103 1-216-819-11 METAL CHIP 680 5% 1/16WR104 1-216-811-11 METAL CHIP 150 5% 1/16WR105 1-216-823-11 METAL CHIP 1.5K 5% 1/16W
R106 1-216-815-11 METAL CHIP 330 5% 1/16W
R107 1-216-864-11 METAL CHIP 0 5% 1/16W
R108 1-216-815-11 METAL CHIP 330 5% 1/16WR109 1-216-805-11 METAL CHIP 47 5% 1/16WR110 1-216-833-11 METAL CHIP 10K 5% 1/16WR111 1-216-809-11 METAL CHIP 100 5% 1/16W
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
57
MHC-DX20
MAIN
R112 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR113 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR114 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR115 1-216-833-11 METAL CHIP 10K 5% 1/16WR116 1-216-809-11 METAL CHIP 100 5% 1/16W
R117 1-216-845-11 METAL CHIP 100K 5% 1/16WR118 1-216-809-11 METAL CHIP 100 5% 1/16WR119 1-216-833-11 METAL CHIP 10K 5% 1/16WR120 1-216-833-11 METAL CHIP 10K 5% 1/16WR121 1-216-821-11 METAL CHIP 1K 5% 1/16W
R122 1-216-833-11 METAL CHIP 10K 5% 1/16WR123 1-216-833-11 METAL CHIP 10K 5% 1/16WR124 1-216-813-11 METAL CHIP 220 5% 1/16WR125 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR126 1-216-829-11 METAL CHIP 4.7K 5% 1/16W
R127 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR128 1-216-818-11 METAL CHIP 560 5% 1/16WR129 1-216-818-11 METAL CHIP 560 5% 1/16WR130 1-216-833-11 METAL CHIP 10K 5% 1/16WR131 1-216-834-11 METAL CHIP 12K 5% 1/16W
R132 1-216-825-11 METAL CHIP 2.2K 5% 1/16W
R133 1-216-817-11 METAL CHIP 470 5% 1/16W
R134 1-216-817-11 METAL CHIP 470 5% 1/16W
R135 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR136 1-216-827-11 METAL CHIP 3.3K 5% 1/16WR137 1-216-809-11 METAL CHIP 100 5% 1/16W
R138 1-216-809-11 METAL CHIP 100 5% 1/16WR139 1-216-864-11 METAL CHIP 0 5% 1/16W
R201 1-216-797-11 METAL CHIP 10 5% 1/16WR202 1-216-797-11 METAL CHIP 10 5% 1/16WR203 1-216-797-11 METAL CHIP 10 5% 1/16WR204 1-216-797-11 METAL CHIP 10 5% 1/16WR205 1-216-805-11 METAL CHIP 47 5% 1/16W
R206 1-216-805-11 METAL CHIP 47 5% 1/16WR207 1-216-832-11 METAL CHIP 8.2K 5% 1/16WR208 1-216-832-11 METAL CHIP 8.2K 5% 1/16WR209 1-216-850-11 METAL CHIP 270K 5% 1/16WR210 1-216-850-11 METAL CHIP 270K 5% 1/16W
R214 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR215 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR216 1-216-845-11 METAL CHIP 100K 5% 1/16WR217 1-216-833-11 METAL CHIP 10K 5% 1/16WR218 1-216-848-11 METAL CHIP 180K 5% 1/16W
R219 1-216-833-11 METAL CHIP 10K 5% 1/16W
R220 1-216-837-11 METAL CHIP 22K 5% 1/16WR221 1-216-833-11 METAL CHIP 10K 5% 1/16WR222 1-216-813-11 METAL CHIP 220 5% 1/16W
R223 1-216-848-11 METAL CHIP 180K 5% 1/16WR224 1-216-848-11 METAL CHIP 180K 5% 1/16WR225 1-216-837-11 METAL CHIP 22K 5% 1/16WR226 1-216-837-11 METAL CHIP 22K 5% 1/16WR227 1-216-846-11 METAL CHIP 120K 5% 1/16W
R228 1-216-846-11 METAL CHIP 120K 5% 1/16WR229 1-216-824-11 METAL CHIP 1.8K 5% 1/16WR230 1-216-824-11 METAL CHIP 1.8K 5% 1/16WR231 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR232 1-216-825-11 METAL CHIP 2.2K 5% 1/16W
R233 1-216-843-11 METAL CHIP 68K 5% 1/16WR234 1-216-843-11 METAL CHIP 68K 5% 1/16WR235 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR236 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR237 1-216-833-11 METAL CHIP 10K 5% 1/16W
R238 1-216-855-11 METAL CHIP 680K 5% 1/16WR239 1-216-833-11 METAL CHIP 10K 5% 1/16WR240 1-216-833-11 METAL CHIP 10K 5% 1/16WR241 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR242 1-216-829-11 METAL CHIP 4.7K 5% 1/16W
R243 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR244 1-216-838-11 METAL CHIP 27K 5% 1/16WR245 1-216-833-11 METAL CHIP 10K 5% 1/16WR246 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR247 1-216-845-11 METAL CHIP 100K 5% 1/16W
R248 1-216-834-11 METAL CHIP 12K 5% 1/16WR249 1-216-855-11 METAL CHIP 680K 5% 1/16WR250 1-216-848-11 METAL CHIP 180K 5% 1/16WR251 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR252 1-216-838-11 METAL CHIP 27K 5% 1/16W
R253 1-216-833-11 METAL CHIP 10K 5% 1/16WR254 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR255 1-216-821-11 METAL CHIP 1K 5% 1/16W
R256 1-216-833-11 METAL CHIP 10K 5% 1/16WR257 1-216-816-11 METAL CHIP 390 5% 1/16W
R258 1-216-813-11 METAL CHIP 220 5% 1/16WR259 1-216-821-11 METAL CHIP 1K 5% 1/16W
R260 1-216-816-11 METAL CHIP 390 5% 1/16WR261 1-216-816-11 METAL CHIP 390 5% 1/16WR262 1-216-845-11 METAL CHIP 100K 5% 1/16W
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
58
MHC-DX20
MAIN
R263 1-216-833-11 METAL CHIP 10K 5% 1/16WR264 1-216-833-11 METAL CHIP 10K 5% 1/16WR265 1-218-917-11 RES-CHIP 820K 5% 1/16W
R266 1-218-917-11 RES-CHIP 820K 5% 1/16W
R270 1-216-813-11 METAL CHIP 220 5% 1/16W
R271 1-216-857-11 METAL CHIP 1M 5% 1/16WR272 1-216-857-11 METAL CHIP 1M 5% 1/16WR273 1-216-823-11 METAL CHIP 1.5K 5% 1/16WR274 1-216-823-11 METAL CHIP 1.5K 5% 1/16WR275 1-216-829-11 METAL CHIP 4.7K 5% 1/16W
R276 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR277 1-216-845-11 METAL CHIP 100K 5% 1/16WR278 1-216-845-11 METAL CHIP 100K 5% 1/16WR301 1-216-833-11 METAL CHIP 10K 5% 1/16WR302 1-216-833-11 METAL CHIP 10K 5% 1/16W
R303 1-216-838-11 METAL CHIP 27K 5% 1/16WR304 1-216-838-11 METAL CHIP 27K 5% 1/16WR305 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR306 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR307 1-216-835-11 METAL CHIP 15K 5% 1/16W
R308 1-216-835-11 METAL CHIP 15K 5% 1/16WR309 1-216-857-11 METAL CHIP 1M 5% 1/16WR313 1-216-845-11 METAL CHIP 100K 5% 1/16WR314 1-216-845-11 METAL CHIP 100K 5% 1/16WR315 1-216-839-11 METAL CHIP 33K 5% 1/16W
R316 1-216-839-11 METAL CHIP 33K 5% 1/16WR317 1-216-845-11 METAL CHIP 100K 5% 1/16WR318 1-216-850-11 METAL CHIP 270K 5% 1/16WR320 1-216-847-11 METAL CHIP 150K 5% 1/16WR321 1-216-833-11 METAL CHIP 10K 5% 1/16W
R322 1-216-833-11 METAL CHIP 10K 5% 1/16WR323 1-216-813-11 METAL CHIP 220 5% 1/16WR324 1-216-834-91 METAL CHIP 12K 5% 1/16WR325 1-216-834-91 METAL CHIP 12K 5% 1/16WR326 1-216-833-11 METAL CHIP 10K 5% 1/16W
R327 1-216-825-11 METAL CHIP 2.2K 5% 1/16W
R328 1-216-827-11 METAL CHIP 3.3K 5% 1/16WR329 1-216-827-11 METAL CHIP 3.3K 5% 1/16WR331 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR332 1-216-829-11 METAL CHIP 4.7K 5% 1/16W
R333 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR334 1-216-825-11 METAL CHIP 2.2K 5% 1/16WR335 1-216-845-11 METAL CHIP 100K 5% 1/16WR336 1-216-845-11 METAL CHIP 100K 5% 1/16WR337 1-216-833-11 METAL CHIP 10K 5% 1/16W
R338 1-216-833-11 METAL CHIP 10K 5% 1/16WR339 1-216-831-11 METAL CHIP 6.8K 5% 1/16WR340 1-216-831-11 METAL CHIP 6.8K 5% 1/16WR341 1-216-813-11 METAL CHIP 220 5% 1/16WR342 1-216-813-11 METAL CHIP 220 5% 1/16W
R343 1-216-833-11 METAL CHIP 10K 5% 1/16W
R344 1-216-833-11 METAL CHIP 10K 5% 1/16W
R361 1-215-891-11 METAL OXIDE 680 5% 2WR362 1-215-891-11 METAL OXIDE 680 5% 2WR363 1-216-821-11 METAL CHIP 1K 5% 1/16W
R364 1-216-821-11 METAL CHIP 1K 5% 1/16WR365 1-216-841-11 METAL CHIP 47K 5% 1/16WR366 1-216-833-11 METAL CHIP 10K 5% 1/16WR367 1-216-821-11 METAL CHIP 1K 5% 1/16WR368 1-216-845-11 METAL CHIP 100K 5% 1/16W
R369 1-216-837-11 METAL CHIP 22K 5% 1/16W
R370 1-216-823-11 METAL CHIP 1.5K 5% 1/16W
R372 1-216-841-11 METAL CHIP 47K 5% 1/16W
R373 1-216-829-11 METAL CHIP 4.7K 5% 1/16W
R374 1-216-841-11 METAL CHIP 47K 5% 1/16W
R381 1-216-842-11 METAL CHIP 56K 5% 1/16W
R382 1-216-841-11 METAL CHIP 47K 5% 1/16W
R383 1-216-833-11 METAL CHIP 10K 5% 1/16WR384 1-216-833-11 METAL CHIP 10K 5% 1/16W
R385 1-216-839-11 METAL CHIP 33K 5% 1/16WR386 1-216-837-11 METAL CHIP 22K 5% 1/16WR387 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR388 1-216-837-11 METAL CHIP 22K 5% 1/16WR389 1-216-830-11 METAL CHIP 5.6K 5% 1/16W
R393 1-216-806-11 RES-CHIP 56 5% 1/16WR394 1-216-806-11 RES-CHIP 56 5% 1/16WR601 1-216-821-11 METAL CHIP 1K 5% 1/16WR602 1-216-819-11 METAL CHIP 680 5% 1/16WR603 1-216-821-11 METAL CHIP 1K 5% 1/16W
R604 1-216-819-11 METAL CHIP 680 5% 1/16WR605 1-216-821-11 METAL CHIP 1K 5% 1/16WR606 1-216-819-11 METAL CHIP 680 5% 1/16WR607 1-216-809-11 METAL CHIP 100 5% 1/16WR608 1-216-809-11 METAL CHIP 100 5% 1/16W
R609 1-216-833-11 METAL CHIP 10K 5% 1/16WR610 1-216-809-11 METAL CHIP 100 5% 1/16WR611 1-216-833-11 METAL CHIP 10K 5% 1/16WR612 1-216-809-11 METAL CHIP 100 5% 1/16WR613 1-216-833-11 METAL CHIP 10K 5% 1/16W
R614 1-216-809-11 METAL CHIP 100 5% 1/16WR615 1-216-809-11 METAL CHIP 100 5% 1/16WR616 1-216-809-11 METAL CHIP 100 5% 1/16WR617 1-216-809-11 METAL CHIP 100 5% 1/16WR618 1-216-833-11 METAL CHIP 10K 5% 1/16W
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
59
MHC-DX20
R619 1-216-809-11 METAL CHIP 100 5% 1/16WR620 1-216-813-11 METAL CHIP 220 5% 1/16WR621 1-216-813-11 METAL CHIP 220 5% 1/16WR622 1-216-809-11 METAL CHIP 100 5% 1/16WR623 1-216-809-11 METAL CHIP 100 5% 1/16W
R624 1-216-809-11 METAL CHIP 100 5% 1/16WR625 1-216-833-11 METAL CHIP 10K 5% 1/16WR626 1-216-809-11 METAL CHIP 100 5% 1/16WR627 1-216-809-11 METAL CHIP 100 5% 1/16WR628 1-216-809-11 METAL CHIP 100 5% 1/16W
R629 1-216-809-11 METAL CHIP 100 5% 1/16WR630 1-216-809-11 METAL CHIP 100 5% 1/16WR631 1-216-809-11 METAL CHIP 100 5% 1/16WR632 1-216-833-11 METAL CHIP 10K 5% 1/16WR633 1-216-809-11 METAL CHIP 100 5% 1/16W
R634 1-216-833-11 METAL CHIP 10K 5% 1/16WR635 1-216-809-11 METAL CHIP 100 5% 1/16WR636 1-216-809-11 METAL CHIP 100 5% 1/16WR637 1-216-809-11 METAL CHIP 100 5% 1/16WR638 1-216-831-11 METAL CHIP 6.8K 5% 1/16W
R639 1-216-841-11 METAL CHIP 47K 5% 1/16W
R640 1-216-841-11 METAL CHIP 47K 5% 1/16W
R641 1-216-835-91 METAL CHIP 15K 5% 1/16W
R643 1-216-821-11 METAL CHIP 1K 5% 1/16WR644 1-216-851-11 METAL CHIP 330K 5% 1/16WR645 1-216-833-11 METAL CHIP 10K 5% 1/16W
R646 1-216-833-11 METAL CHIP 10K 5% 1/16WR647 1-216-864-11 METAL CHIP 0 5% 1/16W
R648 1-216-864-11 METAL CHIP 0 5% 1/16W
R649 1-216-833-11 METAL CHIP 10K 5% 1/16WR650 1-216-833-11 METAL CHIP 10K 5% 1/16W
R652 1-216-821-11 METAL CHIP 1K 5% 1/16WR655 1-216-864-11 METAL CHIP 0 5% 1/16WR656 1-216-809-11 METAL CHIP 100 5% 1/16WR657 1-216-833-11 METAL CHIP 10K 5% 1/16WR658 1-216-809-11 METAL CHIP 100 5% 1/16W
R659 1-216-833-11 METAL CHIP 10K 5% 1/16WR660 1-216-809-11 METAL CHIP 100 5% 1/16WR661 1-216-829-11 METAL CHIP 4.7K 5% 1/16WR662 1-216-821-11 METAL CHIP 1K 5% 1/16WR663 1-216-841-11 METAL CHIP 47K 5% 1/16W
R664 1-216-841-11 METAL CHIP 47K 5% 1/16WR665 1-216-833-11 METAL CHIP 10K 5% 1/16W
R670 1-216-827-11 METAL CHIP 3.3K 5% 1/16W
R671 1-216-841-11 METAL CHIP 47K 5% 1/16W
R672 1-216-841-11 METAL CHIP 47K 5% 1/16WR673 1-216-833-11 METAL CHIP 10K 5% 1/16WR674 1-216-841-11 METAL CHIP 47K 5% 1/16WR675 1-216-841-11 METAL CHIP 47K 5% 1/16WR676 1-216-841-11 METAL CHIP 47K 5% 1/16W
R677 1-216-841-11 METAL CHIP 47K 5% 1/16WR678 1-216-841-11 METAL CHIP 47K 5% 1/16WR679 1-216-841-11 METAL CHIP 47K 5% 1/16WR680 1-216-833-11 METAL CHIP 10K 5% 1/16WR681 1-216-864-11 METAL CHIP 0 5% 1/16W
R231A 1-216-821-11 METAL CHIP 1K 5% 1/16WR232A 1-216-821-11 METAL CHIP 1K 5% 1/16W
< COMPOSITION CIRCUIT BLOCK >
RB101 1-234-457-11 ENCAPSULATED COMPONENT
< VARIABLE RESISTOR >
RV101 1-241-765-11 RES, ADJ, CARBON 22KRV661 1-241-762-11 RES, ADJ, CARBON 2.2K(TAPE SPEED)
< RELAY >
RY371 1-755-373-11 RELAY
< TRANSFORMER >
T101 1-435-195-11 TRANSFORMER, DISCRIMINATOR
< TERMINAL >
TM101 1-694-555-11 TERMINAL BOARD (4P)
< VIBRATOR >
X101 1-760-549-31 VIBRATOR, CRYSTAL(4.5MHz)X102 1-579-900-21 VIBRATOR, CRYSTAL(4.332MHz) X601 1-567-098-41 VIBRATOR, CRYSTAL(32.768kHz)X602 1-781-107-21 VIBRATOR, SERAMIC(16MHz)
************************************************************
1-675-910-14 MOTOR BOARD*************
< CAPACITOR >
C721 1-162-306-11 CERAMIC 0.01uF 30.00% 16V
< CONNECTOR >
CN721 1-770-516-31 CONNECTOR, FFC 8PCN722 1-785-330-11 PIN, CONNECTOR (LIGHT ANGLE)4P
< SWITCH >
S701 1-771-822-11 SWITCH, LEVER (SLIDE)(OPEN/CLOSE SW)************************************************************
MAIN MOTOR
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
60
MHC-DX20
********************************************Y-8373-558-A PANEL BOARD, COMPLETE
********************************************
< CAPACITOR >
C701 1-126-966-11 ELECT 33uF 20.00% 50VC702 1-126-966-11 ELECT 33uF 20.00% 50VC703 1-162-306-11 CERAMIC 0.01uF 30.00% 16VC704 1-124-589-11 ELECT 47uF 20% 16VC705 1-162-294-31 CERAMIC 0.001uF 10% 50V
C706 1-162-294-31 CERAMIC 0.001uF 10% 50V
C707 1-162-294-31 CERAMIC 0.001uF 10% 50V
C708 1-162-282-31 CERAMIC 100PF 10% 50V
C709 1-162-282-31 CERAMIC 100PF 10% 50VC710 1-162-282-31 CERAMIC 100PF 10% 50VC711 1-162-282-31 CERAMIC 100PF 10% 50VC712 1-162-282-31 CERAMIC 100PF 10% 50VC713 1-162-282-31 CERAMIC 100PF 10% 50V
C714 1-162-282-31 CERAMIC 100PF 10% 50VC715 1-162-282-31 CERAMIC 100PF 10% 50VC716 1-161-494-00 CERAMIC 0.022uF 25VC720 1-162-306-11 CERAMIC 0.01uF 30.00% 16VC721 1-124-589-11 ELECT 47uF 20% 16V
C722 1-162-282-31 CERAMIC 100PF 10% 50VC723 1-162-282-31 CERAMIC 100PF 10% 50VC724 1-162-282-31 CERAMIC 100PF 10% 50VC725 1-162-282-31 CERAMIC 100PF 10% 50VC726 1-162-282-31 CERAMIC 100PF 10% 50V
C727 1-162-282-31 CERAMIC 100PF 10% 50VC728 1-162-282-31 CERAMIC 100PF 10% 50VC729 1-162-282-31 CERAMIC 100PF 10% 50VC730 1-162-282-31 CERAMIC 100PF 10% 50VC731 1-162-282-31 CERAMIC 100PF 10% 50V
C732 1-162-282-31 CERAMIC 100PF 10% 50VC733 1-162-282-31 CERAMIC 100PF 10% 50VC734 1-162-306-11 CERAMIC 0.01uF 30.00% 16VC735 1-162-306-11 CERAMIC 0.01uF 30.00% 16VC736 1-162-294-31 CERAMIC 0.001uF 10% 50V
C737 1-162-294-31 CERAMIC 0.001uF 10% 50VC738 1-104-665-11 ELECT 100uF 20.00% 10V
C739 1-104-665-11 ELECT 100uF 20.00% 10V
C754 1-162-215-31 CERAMIC 47PF 5% 50V
C755 1-131-810-91 ELECT 0.22uF 20.00% 100V
C756 1-162-294-31 CERAMIC 0.001uF 10% 50V
C757 1-162-306-11 CERAMIC 0.01uF 30.00% 16V
C758 1-126-956-11 ELECT 0.1uF 20.00% 50V
C759 1-162-290-31 CERAMIC 470PF 10% 50V
C760 1-131-814-91 ELECT 2.2uF 20.00% 100V
C761 1-162-215-31 CERAMIC 47PF 5% 50V
C762 1-162-282-31 CERAMIC 100PF 10% 50V
C763 1-131-814-91 ELECT 2.2uF 20.00% 100V
C765 1-126-964-11 ELECT 10uF 20.00% 50V
C766 1-126-964-11 ELECT 10uF 20.00% 50V
C767 1-164-159-11 CERAMIC 0.1uF 50V
C770 1-164-159-11 CERAMIC 0.1uF 50VC775 1-162-306-11 CERAMIC 0.01uF 30.00% 16VC777 1-164-159-11 CERAMIC 0.1uF 50V
C778 1-164-159-11 CERAMIC 0.1uF 50V
C779 1-164-159-11 CERAMIC 0.1uF 50VC780 1-164-159-11 CERAMIC 0.1uF 50V
< CONNECTOR >
CN711 1-793-767-11 CONNECTOR, BOARD TO BOARD 30P
CN712 1-785-339-11 PIN, CONNECTOR(LIGHT ANGLE)13P
< DIODE >
D701 8-719-071-44 DIODE SELS5223C-TP15( ?/1 (POWER)))
D702 8-719-084-40 DIODE SEL5955A-TP15(MD(VIDEO))
D703 8-719-084-40 DIODE SEL5955A-TP15(TAPE A/B)
D704 8-719-084-40 DIODE SEL5955A-TP15(CD)
D705 8-719-084-40 DIODE SEL5955A-TP15(TUNER/BAND)
D706 8-719-084-40 DIODE SEL5955A-TP15(GAME) D713 8-719-991-33 DIODE 1SS133T-77
D716 8-719-084-40 DIODE SEL5955A-TP15(MD(VIDEO))
D717 8-719-084-40 DIODE SEL5955A-TP15(TAPE A/B)
D718 8-719-084-40 DIODE SEL5955A-TP15(CD)
D719 8-719-084-40 DIODE SEL5955A-TP15(TUNER/BAND)
D720 8-719-084-40 DIODE SEL5955A-TP15(GAME)D721 8-719-991-33 DIODE 1SS133T-77
PANEL
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
61
MHC-DX20
< FERRITE BEAD >
FB701 1-412-473-41 INDUCTOR 0UH
< FLUORESCENT INDICATOR >
FLD1 1-518-729-11 INDICATOR TUBE, FLUORESCENT
< IC >
IC701 6-800-220-01 IC uPD780232GC-031-8BTIC702 8-759-274-71 IC NJM4565M(TE2) SEN701 8-759-827-70 IC NJL64H400A-1( g)
< JACK >
J701 1-815-167-11 JACK(PHONES)(VIDEO/AUDIO IN PUT)J702 1-815-603-11 JACK(MIC) J704 1-815-684-11 JACK, PIN 3P
< TERMINAL >
JK101 1-694-556-21 TERMINAL BOARD (ANT.PAL) JK101 1-694-555-11 TERMINAL BOARD (4P) R
< TRANSISTOR >
Q701 8-729-029-11 TRANSISTOR DTA124ESA-TPQ702 8-729-029-67 TRANSISTOR DTC114ESA-TPQ703 8-729-029-67 TRANSISTOR DTC114ESA-TPQ704 8-729-029-67 TRANSISTOR DTC114ESA-TPQ705 8-729-029-67 TRANSISTOR DTC114ESA-TP
Q706 8-729-029-67 TRANSISTOR DTC114ESA-TPQ711 8-729-119-78 TRANSISTOR 2SC2785TP-HFE
< RESISTOR >
R701 1-249-410-11 CARBON 270 5% 1/4W FR702 1-249-411-11 CARBON 330 5% 1/4WR722 1-247-843-11 CARBON 3.3K 5% 1/4WR723 1-249-425-11 CARBON 4.7K 5% 1/4W FR724 1-249-427-11 CARBON 6.8K 5% 1/4W F
R725 1-249-429-11 CARBON 10K 5% 1/4W
R738 1-249-421-11 CARBON 2.2K 5% 1/4W F
R740 1-249-404-00 CARBON 82 5% 1/4W FR741 1-249-429-11 CARBON 10K 5% 1/4W
R742 1-249-429-11 CARBON 10K 5% 1/4WR743 1-249-434-11 CARBON 27K 5% 1/4WR744 1-249-434-11 CARBON 27K 5% 1/4WR747 1-249-429-11 CARBON 10K 5% 1/4WR748 1-249-429-11 CARBON 10K 5% 1/4W
R749 1-249-429-11 CARBON 10K 5% 1/4WR750 1-249-429-11 CARBON 10K 5% 1/4WR752 1-249-429-11 CARBON 10K 5% 1/4WR753 1-249-429-11 CARBON 10K 5% 1/4WR755 1-249-429-11 CARBON 10K 5% 1/4W
R756 1-247-807-31 CARBON 100 5% 1/4WR757 1-249-429-11 CARBON 10K 5% 1/4WR758 1-247-807-31 CARBON 100 5% 1/4WR759 1-249-429-11 CARBON 10K 5% 1/4WR760 1-247-807-31 CARBON 100 5% 1/4W
R761 1-249-429-11 CARBON 10K 5% 1/4WR762 1-247-807-31 CARBON 100 5% 1/4WR763 1-249-429-11 CARBON 10K 5% 1/4WR764 1-249-429-11 CARBON 10K 5% 1/4WR765 1-247-903-00 CARBON 1M 5% 1/4W
R768 1-247-807-31 CARBON 100 5% 1/4WR769 1-249-401-11 CARBON 47 5% 1/4W FR770 1-249-417-11 CARBON 1K 5% 1/4W F
R771 1-249-430-11 CARBON 12K 5% 1/4W
R772 1-249-429-11 CARBON 10K 5% 1/4W
R783 1-249-417-11 CARBON 1K 5% 1/4W F
R784 1-249-441-11 CARBON 100K 5% 1/4W
R785 1-249-429-11 CARBON 10K 5% 1/4W
R786 1-249-417-11 CARBON 1K 5% 1/4W F
R787 1-249-433-11 CARBON 22K 5% 1/4W
R788 1-247-807-31 CARBON 100 5% 1/4W
R789 1-249-429-11 CARBON 10K 5% 1/4W
R790 1-247-885-00 CARBON 180K 5% 1/4W
R791 1-247-807-31 CARBON 100 5% 1/4W
R792 1-249-441-11 CARBON 100K 5% 1/4W
R796 1-249-401-11 CARBON 47 5% 1/4W FR805 1-247-807-31 CARBON 100 5% 1/4WR806 1-249-403-11 CARBON 68 5% 1/4W F
< VIBRATOR >
RES701 1-795-058-21 VIBRATOR, CERAMIC(5MHz)
< SWITCH >
S701 1-771-874-11 SWITCH, KEYBOARD(?/1 (POWER))S702 1-771-874-11 SWITCH, KEYBOARD(GAME)S722 1-771-874-11 SWITCH, KEYBOARD(MD(VIDEO))S723 1-771-874-11 SWITCH, KEYBOARD(TAPE A/B)S724 1-771-874-11 SWITCH, KEYBOARD(TUNER BAND)
S725 1-771-874-11 SWITCH, KEYBOARD(CD)
< VARIABLE RESISTOR >
VR701 1-418-725-11 ENCODER, ROTARY (12 TYPE)(VOLUME)VR703 1-225-739-11 RES, VAR CARBON 50K(MIC LEVEL)
************************************************************
PANEL
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
62
MHC-DX20
******************************************************A-4725-997-A POWER AMP BOARD, COMPLETE
******************************************************
******************************************************
< CAPACITOR >
C501 1-126-964-11 ELECT 10uF 20.00% 50V
C502 1-162-294-31 CERAMIC 0.001uF 10% 50V
C503 1-162-282-31 CERAMIC 100PF 10% 50VC504 1-128-551-11 ELECT 22uF 20.00% 25V
C507 1-130-493-00 MYLAR 0.068uF 5% 50VC508 1-130-493-00 MYLAR 0.068uF 5% 50V
C509 1-128-560-11 ELECT 22uF 20.00% 100V
C511 1-162-306-11 CERAMIC 0.01uF 30.00% 16V
C541 1-130-777-00 MYLAR 0.1uF 10.00% 100V
C542 1-135-928-11 ELECT 2200uF 20% 63V
C543 1-164-159-11 CERAMIC 0.1uF 50VC544 1-126-942-61 ELECT 1000uF 20.00% 25VC545 1-128-549-11 ELECT 3300uF 20.00% 35V
C551 1-126-964-11 ELECT 10uF 20.00% 50V
C552 1-162-294-31 CERAMIC 0.001uF 10% 50V
C553 1-162-282-31 CERAMIC 100PF 10% 50VC554 1-128-551-11 ELECT 22uF 20.00% 25V
C557 1-130-493-00 MYLAR 0.068uF 5% 50VC558 1-130-493-00 MYLAR 0.068uF 5% 50V
C559 1-128-560-11 ELECT 22uF 20.00% 100V
C591 1-130-777-00 MYLAR 0.1uF 10.00% 100V
C592 1-135-928-11 ELECT 2200uF 20% 63V
< CONNECTOR >
CN502 1-778-981-21 CONNECTOR, BOARD TO BOARD 13PCN503 1-778-981-21 CONNECTOR, BOARD TO BOARD 13PCN504 1-785-314-11 PIN, CONNECTOR (STRAIGHT) 2P (DX30)
< DIODE >
D501 8-719-991-33 DIODE 1SS133T-77D502 8-719-991-33 DIODE 1SS133T-77D541 8-719-510-68 DIODE D5SBA204101D542 8-719-200-82 DIODE 11ES2-NTA1BD543 8-719-200-82 DIODE 11ES2-NTA1B
D551 8-719-991-33 DIODE 1SS133T-77
< TERMINAL >
* EP501 1-537-738-21 TERMINAL, EARTH (DX30:KR,RG40)* EP502 1-537-738-21 TERMINAL, EARTH
< IC >
IC501 8-749-016-93 IC STK402-070S
< TRANSISTOR >
Q501 8-729-140-85 TRANSISTOR 2SC1841TP-PAFAEAQ503 8-729-140-83 TRANSISTOR 2SA988TP-PAFAEAQ504 8-729-140-85 TRANSISTOR 2SC1841TP-PAFAEAQ551 8-729-140-85 TRANSISTOR 2SC1841TP-PAFAEAQ581 8-729-140-85 TRANSISTOR 2SC1841TP-PAFAEA
Q582 8-729-119-78 TRANSISTOR 2SC2785TP-HFE Q583 8-729-029-87 TRANSISTOR DTC124ESA-TPQ584 8-729-119-78 TRANSISTOR 2SC2785TP-HFE
< RESISTOR >
R501 1-249-417-11 CARBON 1K 5% 1/4W FR502 1-249-438-11 CARBON 56K 5% 1/4W
R503 1-249-416-11 CARBON 820 5% 1/4W F
R504 1-249-438-11 CARBON 56K 5% 1/4W
R505 1-249-417-11 CARBON 1K 5% 1/4W FR506 1-249-431-11 CARBON 15K 5% 1/4WR507 1-249-441-11 CARBON 100K 5% 1/4W
POWER AMP
Os componentes identificadoscom a marca 0 são críticos paraa segurança. Somente os subs-titua por peças numericamenteespecificadas nesse manual.
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
63
MHC-DX20
0R508 1-217-151-11 METAL 0.22 2W
R509 1-260-076-11 CARBON 10 5% 1/2W
0R510 1-217-151-11 METAL 0.22 2W
0R511 1-212-881-91 FUSIBLE 100 5% 1/4W
0R512 1-202-972-91 FUSIBLE 1 5% 1/4WR513 1-249-433-11 CARBON 22K 5% 1/4W
R514 1-249-421-11 CARBON 2.2K 5% 1/4W FR515 1-249-433-11 CARBON 22K 5% 1/4WR516 1-249-429-11 CARBON 10K 5% 1/4W
R517 1-249-421-11 CARBON 2.2K 5% 1/4W FR518 1-249-429-11 CARBON 10K 5% 1/4WR519 1-249-433-11 CARBON 22K 5% 1/4W
R520 1-249-441-11 CARBON 100K 5% 1/4W
R521 1-249-441-11 CARBON 100K 5% 1/4W
R522 1-249-441-11 CARBON 100K 5% 1/4W
R523 1-249-409-11 CARBON 220 5% 1/4W F
R524 1-247-897-11 CARBON 560K 5% 1/4W
R525 1-249-437-11 CARBON 47K 5% 1/4W
R541 1-260-115-11 CARBON 22K 5% 1/2W
R551 1-249-417-11 CARBON 1K 5% 1/4W FR552 1-249-438-11 CARBON 56K 5% 1/4W
R553 1-249-416-11 CARBON 820 5% 1/4W F
R554 1-249-438-11 CARBON 56K 5% 1/4W
R555 1-249-417-11 CARBON 1K 5% 1/4W FR556 1-249-431-11 CARBON 15K 5% 1/4WR557 1-249-441-11 CARBON 100K 5% 1/4W
0R558 1-217-151-11 METAL 0.22 20% 5W
R559 1-260-076-11 CARBON 10 5% 1/2W
0R560 1-217-151-11 METAL 0.22 20% 5W
0R561 1-212-881-91 FUSIBLE 100 5% 1/4W
R581 1-249-435-11 CARBON 33K 5% 1/4WR582 1-249-435-11 CARBON 33K 5% 1/4WR591 1-260-115-11 CARBON 22K 5% 1/2W
************************************************************
1-681-442-11 SENSOR BOARD*************
< THERMISTOR >
TH501 1-807-796-11 THERMISTOR************************************************************
1-681-445-11 SUB TRANS BOARD****************
< CAPACITOR >
C901 1-113-925-11 CERAMIC 0.01uF 20.00% 250VC902 1-126-768-57 ELECT 2200uF 20.00% 16VC903 1-126-933-11 ELECT 100uF 20.00% 16V
< CONNECTOR >
CN2 1-568-106-11 PIN, CONNECTOR 4P CN901 9-862-294-01 PIN, CONNECTOR 2P
CN903 1-785-315-11 PIN, CONNECTOR (STRAIGHT) 3P
< DIODE >
D901 8-719-991-33 DIODE 1SS133T-77D902 8-719-025-01 DIODE 11ES2-NTA1BD903 8-719-025-01 DIODE 11ES2-NTA1BD904 8-719-025-01 DIODE 11ES2-NTA1BD905 8-719-025-01 DIODE 11ES2-NTA1B
< IC >
IC901 8-759-158-62 IC TA78057S
< TRANSISTOR >
Q901 8-729-139-96 TRANSISTOR 2SC2785TP-HFE
< RESISTOR >
R902 1-249-429-11 CARBON 10K 5% 1/4W
< RELAY >
RY901 1-755-276-11 RELAY, POWER
< TRANSFORMER >
0T901 1-435-828-11 SUB TRANSFORMADOR
************************************************************
POWER AMP SENSOR SUB TRANS
Os componentes identificadoscom a marca 0 são críticos paraa segurança. Somente os subs-titua por peças numericamenteespecificadas nesse manual.
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
64
MHC-DX20
Y-8373-560-A PCI TRANSFORMADOR MONTADA****************************************
1-533-217-11 HOLDER, FUSE
< CAPACITOR >
C911 1-128-553-11 ELECT 220uF 20.00% 63VC912 1-126-964-11 ELECT 10uF 20.00% 50VC913 1-126-968-11 ELECT 100uF 20.00% 50VC915 1-164-159-11 CERAMIC 0.1uF 50V
< CONNECTOR >
CN915 1-564-528-11 PLUG, CONNECTOR 13P
< DIODE >
D911 8-719-200-82 DIODE 11ES2-NTA1BD912 8-719-983-20 DIODE MTZJ-T-77-30BD913 8-719-923-38 DIODE MTZJ-T-77-5.6B
< FUSE >
0F917 1-532-464-31 FUSÍVEL RETARDADO 2,5A
0F919 1-532-504-31 FUSÍVEL RETARDADO 4A
< TRANSISTOR >
Q911 8-729-048-52 TRANSISTOR 2SA1932(TP)
< RESISTOR >
R905 1-249-429-11 CARBON 10K 5% 1/4W0R911 1-217-637-81 FUSIBLE 1 5% 1/4W
R912 1-249-417-11 CARBON 1K 5% 1/4W FR913 1-249-429-11 CARBON 10K 5% 1/4WR915 1-247-807-31 CARBON 100 5% 1/4W
R916 1-247-807-31 CARBON 100 5% 1/4W
0R919 1-219-122-81 FUSIBLE 0.33 5% 1/4W0R920 1-219-122-81 FUSIBLE 0.33 5% 1/4W
< SWITCH >
0S901 1-786-055-11 SELECTOR, VOLTAGE
< TRANSFORMER >
0T911 1-437-358-11 TRANSFORMER, POWER 0T911 1-437-228-11 TRANSFORMER, POWER 0T911 1-437-229-11 TRANSFORMER, POWER ************************************************************
1-681-441-11 VIDEO OUT BOARD***************
< JACK >
JK705 1-774-227-11 JACK, PIN 1P (VIDEO OUT)************************************************************
MISCELLANEOUS**************
64 1-796-123-21 DECK, MECH (CWLFR35)101 1-773-049-11 WIRE (FLAT TYPE) (17 CORE)104 1-791-897-12 WIRE (FLAT TYPE) (19 CORE)
0108 1-757-813-21 CABO DE FORÇA MONTADO
0-103-848-01 FIO ANTENA MONOFILAR MONTADO1-528-681-11 PILHA PEQUENA4-234-236-11 MANUAL DE INSTRUÇÕESY-8283-248-A CONJUNTO ANTENA LOOPY-8373-770-A CONTROLE REMOTO RM-SR210
259 1-791-983-11 WIRE (FLAT TYPE) (8 CORE)266 1-471-035-11 MAGNET ASSY
0T911 1-437-357-21 TRANSFORMADOR DE FOR286 8-820-116-01 OPTICAL PICK-UP KSM-213DCP/Z-NP
ÇA
************************************************************
**************HARDWARE LIST**************
#1 7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S#2 7-685-871-01 SCREW +BVTT 3X6 (S)#3 7-685-880-09 SCREW +BVTT 4X6 (S)#4 7-685-650-79 SCREW +BVTP 3X16 TYPE2 IT-3#5 7-685-872-09 SCREW +BVTT 3X8 (S)
TRANS VIDEO OUT
288 1-792-024-11 WIRE (FLAT TYPE) (16 CORE)M961 1-763-072-11 FAN,DC
Os componentes identificadoscom a marca 0 são críticos paraa segurança. Somente os subs-titua por peças numericamenteespecificadas nesse manual.
1
SS-DX20MANUAL DE SERVIÇO
CAIXA ACÚSTICA
Brazilian Model
Foto: SS-DX20
ESPECIFICAÇ Õ ES TÉCNICAS
Sistema : 2 vias, 2 unidades, tipo bass-reflexSub Woofer : 13 cm, tipo coneWoofer : 13 cm, tipo coneTweeter : 5 cm, tipo coneImpedância Nominal : 6 ohmsDimensões(L/A/P) : Aprox. 200 × 325 × 222 mmPeso Líquido :Aprox. 3,21 kg cada caixa
Design e especificações estão sujeitos a mudança sem prévio aviso.
4-234-606-01 PAINEL FRONTAL DIREITO4-231-805-02 PAINEL FRONTAL ESQUERDO4-233-981-01 GRADE FRONTAL4-224-803-01 ANEL DO TWEETER4-224-562-12 SCREW (4) (3.5X14), TAPPING
4-224-560-11 SPEAKER CABINET (R) ASSY4-231-568-01 SPEAKER CABINET (L) ASSYY-8373-570-A JUNTA DO DUTO DIREITO4-234-008-21 JUNTA DO DUTO ESQUERDO4-234-021-01 SCREW (3.5)
4-233-992-01 CALÇO PROTETOR1-544-827-11 ALTO FALANTE 13CM1-544-826-11 ALTO FALANTE 5CM4-234-023-01 FIO PREPARADO
LISTA DE PEÇAS
Y-8373-555-ASS-DX20 MONTADA
Sony Comércio e Indústria Ltda. Assessoria Técnica Consumidor
Depto. Técnico – Julho/2001http://www.sony.com.br
Sony Comércio e Indústria Ltda.
Boletim InformativoAssessoria Técnica Consumidor
MHC-DX1, MHC-DX10B,MHC-DX20 / DX30
Número 01/02(A)Data 20/02/2002
Referente: FAVOR SUBSTITUIR ANTERIOR (01/02)CORREÇÃO E INCLUSÃO DE PEÇAS
Favor corrigir o código seguinte no manual de serviço.
Modelo: MHC-DX1 * Página 50 do Manual de Serviço
Errado Correto
Código Descrição Código Descrição
A-4428-064-A PLACA AMP, COMPLETE A-4473-654-A PLACA AMP,COMPLETE
Modelo: MHC-DX10B * Página 40 do Manual de Serviço
Errado Correto
Ref.No. Código Descrição Ref.No. Código Descrição
51 4-235-533-01 VISOR CASSETE (L) 51 4-234-012-01 VISOR CASSETE (A)52 4-235-534-01 VISOR CASSETE (R) 52 4-234-013-01 VISOR CASSETE (B)53 4-234-986-11 TAMPA CASSETE (L) 53 4-234-986-11 TAMPA CASSETE (A)53 4-234-987-11 TAMPA CASSETE (R) 53 4-234-987-11 TAMPA CASSETE (B)
Modelo: MHC-DX20 / DX30 * Página 47 do Manual de Serviço
Errado Correto
Ref.No. Código Descrição Ref.No. Código Descrição
53 4-233-986-11 TAMPA CASSETE (L) 53 4-233-987-11 TAMPA CASSETE (B)53-1 4-234-012-11 VISOR CASSETE (L) 53-1 4-234-013-01 VISOR CASSETE (B)54 4-233-987-11 TAMPA CASSETE (R) 54 4-233-986-11 TAMPA CASSETE (A)54-1 4-234-013-01 VISOR CASSETE (R) 54-1 4-234-012-11 VISOR CASSETE (A)
Modelo: MHC-DX30 * INCLUSÃO DE PEÇA
Anterior Incluir
Ref.No. Código Descrição Ref.No. Código Descrição
6-900-580-00 GABINETE ACÚSTICO (R)
6-900-581-00 GABINETE ACÚSTICO (L)
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