14PT314A_20PT326_20PT424 Chassis L9.2A

16
1 Impresso no Brasil Sujeito a Modificações Todos os Direitos Reservados 4806 727 17246 Colour Television Chassis L9.2A AA CL 96532047_013.eps 270599 08/2001 Conteúdo Página 1 Especificações Técnicas, Conexões e Visão Geral do Chassis 2 2 Precauções de Segurança e Manutenção Instruções, Avisos e Notas 3 3 Instruções de Uso 5 4 Instruções Mecânicas 13 5 Modos de Serviço, Códigos de Erro e Descoberta de Falhas 14 6 Diagrama em Blocos , Pontos de teste, I2C e vista geral da tensão de alimentação Localização de Falhas 21 Diagrama da tensão de alimentação 25 Diagrama em Blocos 26 Vista Geral dos pontos de Teste 27 7 Esquemas e Painéis Diagr. Painel Fonte de Alimentação (Diagrama A1) 28 34-37 Deflexão horizontal (Diagrama A2) 30 34-37 Deflexão vertical (Diagrama A3) 31 34-37 Sincronização (Diagrama A4) 31 34-37 Tuner FI Video + FI Som (Diagrama A5) 32 34-37 Process. Vídeo A/P (Diagrama A6) 38 34-37 Controle (Diagrama A7) 39 34-37 Controle Frontal (Diagrama A8) 40 34-37 Amplificador de Áudio (Diagrama A10) 41 34-37 E/S Frontal+Controle+Headphone(Diagr. A11) 42 34-37 E/S Traseira Cinch (Diagrama A12) 43 34-37 Painel CRT (Diagrama B) 44 45 BTSC Stereo Decoder (Diagrama C1) 46 48 Amplificador de Áudio (Diagrama C2) 47 48 Decodificador Áudio ITT (Diagrama D1) 49 45 Amplificador de Áudio ITT (Diagrama D2) 50 45 Painel AV Lateral(Diagrama E) 51 51 8 Ajustes 53 9 Descrição do Circuito 57 Lista de Abreviações 62 10 Lista de material 64 14PT314A/78 14PT316A/78 14PT414A/78 14PT616A/78 20PT324A/78 20PT326A/78 20PT424A/78 20PT524A/78 21PT434A/78 21PT534A/78 Volta ao Menu Eletrônica J.E. (http://www.eletronicaje.com.br)

Transcript of 14PT314A_20PT326_20PT424 Chassis L9.2A

Page 1: 14PT314A_20PT326_20PT424 Chassis L9.2A

1

Impresso no Brasil Sujeito a Modificações Todos os Direitos Reservados 4806 727 17246

Colour Television Chassis

L9.2AAA

CL 96532047_013.eps270599

08/2001

Conteúdo Página

1 Especificações Técnicas, Conexões e Visão Geral do Chassis 22 Precauções de Segurança e Manutenção Instruções, Avisos e Notas 33 Instruções de Uso 54 Instruções Mecânicas 135 Modos de Serviço, Códigos de Erro e Descoberta de Falhas 146 Diagrama em Blocos , Pontos de teste, I2C e vista geral da tensão de alimentação Localização de Falhas 21 Diagrama da tensão de alimentação 25 Diagrama em Blocos 26 Vista Geral dos pontos de Teste 277 Esquemas e Painéis Diagr. Painel Fonte de Alimentação (Diagrama A1) 28 34-37 Deflexão horizontal (Diagrama A2) 30 34-37 Deflexão vertical (Diagrama A3) 31 34-37 Sincronização (Diagrama A4) 31 34-37 Tuner FI Video + FI Som (Diagrama A5) 32 34-37 Process. Vídeo A/P (Diagrama A6) 38 34-37 Controle (Diagrama A7) 39 34-37 Controle Frontal (Diagrama A8) 40 34-37 Amplificador de Áudio (Diagrama A10) 41 34-37 E/S Frontal+Controle+Headphone(Diagr. A11) 42 34-37 E/S Traseira Cinch (Diagrama A12) 43 34-37 Painel CRT (Diagrama B) 44 45 BTSC Stereo Decoder (Diagrama C1) 46 48 Amplificador de Áudio (Diagrama C2) 47 48 Decodificador Áudio ITT (Diagrama D1) 49 45 Amplificador de Áudio ITT (Diagrama D2) 50 45 Painel AV Lateral(Diagrama E) 51 518 Ajustes 539 Descrição do Circuito 57 Lista de Abreviações 6210 Lista de material 64

14PT314A/7814PT316A/7814PT414A/7814PT616A/7820PT324A/78

20PT326A/7820PT424A/7820PT524A/7821PT434A/7821PT534A/78

çVolta ao Menu

Eletrônica J.E. (http://www.eletronicaje.com.br)

Page 2: 14PT314A_20PT326_20PT424 Chassis L9.2A

28 L9.2A/78

+t

t

t

(REDUCED FREQUENCY)

Iref

Sync

Vdem in

Vref

UVLO1

Iref

CONTROLDmax & SOFT-START

Vovp outR standbyP

CURRENT SENSE INPUT

OVERVOLTAGEMANAGEMENT

Vref

Soft Start & Dmax

Iref

Vdem out

Vcc

GND

Vc

OUTPUTBUFFER

Vref

OSCILLATOR

SUPPLY &

INITIALIZATION BLOCKBLOCKREFERENCEMANAGEMENT

PROTECTIONOVERVOLTAGE

AMPERROR

STANDBY

THERMALSHUTDOWN

CURRENTSENSE

T

R standbyF

2.5V

VOLTAGE

FEEDBACK

FOLDBACK

FOLDBACK INPUT

18VUVLO1

C

Iref

Vcc

enableVref

E/A OUT

DEMAGNETICATION

Vosc prot

Vosc

QSet

Reset

Latch

Rref

0211A C20211B C20212 A20213 D20231 B20241 D11

18V

13V

308V

0V

1V2

1 2 3 4 5 6 7 8 9 10

(2V4)(1V)

(2V2)

(2V5)

(1V7)

(2V5)

(2V6)

(2V5)

(318V)

FOR USA ONLYDEGAUSSING COIL

10 11 12

309V

TO SIN OF

0V7

0255 C111500 B31571 E101572 D101580 A82500 C32501 B32502 B52504 A32505 B52506 C32508 B6

A

B

C

D

E

F

G

H

F01 F90211 C2

2531 E22532 F22533 G22534 G22537 F72540 E6

MAINS

S

D

For ITV

2541 F72545 G82550 C102560 C92561 D102565 C102570 E102571 F102572 F92586 A102590 E7

11 12

1 2 3 4 5 6 7 8 9

3518 D73519 D73520 E23521 D63524 E23525 C6

Fishhooks

For ITV

3528 E63529 D43530 D43532 F23534 G23536 F23537 D33538 F73539 F63540 F63541 E73542 C23547 C5

2509 C72510 C72511 B72517 C62518 C72520 E22521 H42522 H32524 F62529 D42530 H4

5521 H35540 E75545 B85550 C105552 D55570 E9

for Brazil

RES

For ITV

HOT GROUND

FONTE DE ALIMENTAÇÃO

800mA

0V3

*

1N50

62

2V5

13V

14V

5571 E115572 E95573 C9

3501 B33502 C23503 A43504 A33505 B43506 B53509 B73510 C43512 H23513 H33517 C6

6537 F76540 E76550 C106560 D96570 E106584 A9

SignalGnd

Only

150 - 276 V SINGLE RANGE

(13V2)

R27

(12V7)

6585 A86590 A107518 C67520 E27590 A97591 A99500 B29501 C29503 D5

3548 C53570 F93595 A103596 A103597 A103598 A94510 D105500 C45501 B45502 E65516 C7

for ITVonly 1N

5062

Only

...V... Normal Operation

(...V...) StandBy Operation

Europe Only

1V2

Only

2V4

3V2

1V1

0V7

95V

9V5

G

STP6NA60

2V5

2V6

ADJ

9V5

2V5

6500 B46501 B36502 B6

6503 B56504 B56505 B66507 B66508 C66510 D46520 D66521 D6

2

AUDIO O/P

2W/3W

1W

5570

5572

*

*

*

9504 B39506 C5

MainSupply95V

90 - 276 V FULL RANGE

VBATT

only

(2V)

0211

1

P1

4K7

3540

47R

3541

DSP

100MHZ

5572

3505

3506

2R2

9504

220p

2565 0255

1

2

10K

3517

3529

2n2

2502

6537

BAV21

4R7

0211B

22K

3598

10K

3537

14

23

4510

1571

T1.6A

5500

DMF-2405

2

4

9503

SDKE0231

5689

1

3

3519

470R BYV27-200

6560

2508

220u

2571

2m2

BA

S21

6

6585

T4A

1N5062

6505

220K

3513

1500

7518

6570

EGP20DL

ZP

B

3503

100n

2537

2n2

2570

100MHZ

5570

2530 1u

7590BC847B

5516

100MHZ

10R

3570

P3

3542

4M7

2541

4n7

BA

S21

6

6584

1580G5P

23

14

3539

18K

1N5062

6504

2n2

2505

BC847B7591

220u

2511

2n2

2504

100MHZ

5550

1m2561

0212

1

2

6K8

3532

2524

B2P3-VH

470p

2M2

3502

BY

D33

J

6507

3509

100R

0213

1

23K

9

3530

220K

3534

6503

1N5062

820p

2509

5552

100M

HZ

BZ

X79

-C20

6510

P4

P5

3524

0211A

330p

2533

6502

1N5062

330p

2590

P21n

2550

BZX79-C30

6501

6520

33K

3510

B57237

3547

100n

2529

220u

2586

100p

2572

9501

560p

2531

6590

BA

S21

6

2532

100M

HZ

5573

3518

10u

5571

820p

2510

470p

251833R

3525

9500

6500

1n

2560

150R

3528

P6

2500

470n

5540

4U7

10K

3597

3548

B57237

2540

100u

2545

1n5

3595

68K

9506

4

7

39K

3536

55452084

1

10

11

12

13

14

15

16

2

33n

2501

5521

2U2

5502

3538

100K

2521

2n2

15K

3512

82p

2520

2522

2n2

6

15

12

16

11

9 2

1

14

MC44603A7520

10

7

8

13

5

4

3

6521

1n2517

BAV21

6540

5501

DMF-282014

23

82K

3520

F01

3

470R

3501

330R

3521

2 1

3504

1

2

3596

10K

6550

BY229X-600

2534 1n

1572

MP

6508

220n

2506

0241

1

2

3

4

5

BY

D33

J

EAR

AudioSupply10V|14V

VlotAux13V

AudioSupplyGnd

VBatt

MainSupplyGnd

MainAux

Vaux

CL 96532028_034.eps070499

P3 13V DC

50V / div DC5ms / div

2V / div DC10µs / div

2V / div DC10µs / div

P1 300V DC

P4 95V DC

P5 8V DC

P6 15V DC

P1 P2

P3 15V DC SDM

P4 9V5 DC SDM

P5 9V5 DC SDM

P6 17V DC SDM

P2

Page 3: 14PT314A_20PT326_20PT424 Chassis L9.2A

30 L9.2A/78

VFOC

VG2

EHT

FILEMENT

NA NA

NA NA5406

6434

94089424

5408 27uH 27uH 27uH

3411 1R

Yes Yes NA

5408 15uH 15uH 22uH

3411 1R1R 1R3414 1K8 Jumper Jumper3415 12K 10K 10K

9402 NA NANA

2411 1uF 1uF 1uF

2434 NA NA NA

2407

20" 21"BRAZIL

2407 8.2nF 10nF 11nF

2416

5404

9425

5401

680pF 560pF 330pF

NA NA NA56uH 27uH 56uH

NA56 uH

Linearity Drum

Jumper Jumper Jumper

NANA

NANA

NANA

NANA

NAYes

Yes Yes NA

5408 15uH

1R 2R23414 2K7 1K8 2K23415 12K 10K 10K

9402

15K 10K

NA

2411 100uF 100uF 100uF

2434 NA NA NA

14"

NA NA NA

14" 20" 21"AP

2407 9.1nF

5406

6434

940894249425

5401

680pF 680pF 330pF

NA NA

680pF 330pF

56uH NANA NA Linearity Drum

Jumper Jumper Jumper

NANA

Jumper Jumper

NANA

NANA

NAYes

Yes

15uH 22uH

3411 1R 1R 2R23414 1K 1K8 2K23415

1K 1K810K

9402 NA NA NA

2411 100uF 100uF 100uF

2434

100uF 100uF 100uF

2434 NA NA NA

21"CHINA

11nF 10nF

2416

54045406

6434

940894249425

5401

680pF

56uH NA

NA 100uH NA56 uH NA NA

NA NA Linearity Drum

Jumper

2K23415 10K

9402 NA

2411 100uF

2434 NA

NA NA

5408 15uH 15uH 22uH

3411 1R 1R 2R23414

9402 NA NA NA

2411

56uHNA

NA

5401

942594249408

6434

5406

2407 11nF

2416

5404

USAEurope 21"20"14"

2407 9.1nF 11nF 11nF

2416 NA

NA 100uH NA

2404 B52405 D52406 E42407 D62408 C72409 C62410 C102411 F92412 C82413 A82414 D102415 E102416 D52417 E102418 B92420 B52431 C32432 D22434 C62551 B43400 D43402 D53403 E53404 D33405 B53406 B5

TO CRT

2K23415 15K 10K 10K

NANA

NANA

56uHNA NA Linearity Drum

Jumper Jumper Jumper

27R

12K56

0n

YesNA

A

B220R

1400 D102400 D42401 D42402 E42403 E5

HEW_Protn

13V

1 2 3 4 5 6 7 8 9 10 11 12

1 2 3 4 5 6 7 8 9 10 11 12

21"20"14"

NANAYesFor USA only

88V

0V4

BCL_Protn

0221C A6

54045406

6434

940894249425

5401

NA 560pF

A7-8

A7-20

C

D

E

F

G

H

0220 F70221 B60221A A60221B A6

5V7

13V

PANEL

8V7

6V1

DEFLEXÃO HORIZONTAL

3434 C33435 C3

9425 B4

6409 A76410 D96412 D96413 B96414 B96415 E96418 E66419 E66431 C46432 C36433 B56434 C66435 C37400 E47401 B107402 D57403 F107404 F117431 C29402 B59403 C10

9404 E109408 C69424 B5

56u

2V4

10V

9V5

31V

6401 E36402 C96403 F96404 D66405 E9

47K

FOR

ITV fish hook

A6-62A4-62

3441 F103440 F93436 E5

3407 B53411 D103412 F93414 B83415 B83416 A83417 D103418 F103419 F103420 E43421 E33423 B93424 B103425 C103426 F103427 F103428 F113431 C43432 D43433 C4

2R23414

MainSupply95V

4n7

22u

COIL

A6-63A3-63

CRT PANEL 150K

TO 0224 OF

DEFLECTION

6406 F8

HORIZONTAL

FISH HOOKS

TO PICTURE TUBE

A4-81

A7-32A4-32

-0V2

6408 G10

BRAZIL ONLY

3474 C64401 B94435 C35401 B45404 B55406 B55408 B65410 E35444 D45445 B75551 B46400 D3

5K6

3403

8.2nF 10nF 9.1nF

2416

5404

Linearity Drum

Jumper

NANANA

5408 22uH

3411

BC857B7404

3432

82K

L1

100u

9402

2K2

3436

2432

5444

U10

2413

3418

4K7

3400

1N4148

6419

10K

3423

2406

3414

L2

4435

6K8

3424

2K2

1N41

48

6401

BYD33D

3425

100R

3402

6409

5404

9404

7401BC857B

1n5

2403

2417

470u

L5

L6

L7

6404

BY

D33

M

3417

BZ

X79

-F6V

2

6408

0221A

1R

3415

2409

47u

15K

2411 1u

02201

2

3

1400

3474

22R

2420

47n

2400

BC847B7403

64102405

470p

3405

4K7

BYD33D

1R

3412

33n

2412

3420

75R

1m2414

3407

L4

47u

2551

4K7

3406

47K

3434

3416

3R9

3411

1R

2u2

2431

2418

470n

10K

5U6

5410

VH

0221

1

4

3435

L3

9424

1K3427

5406

DC

12

2434

47n

9408

22K

3441

1N41

48

6432

6403

1N41

48

BYD33D

0221B

BAS216

6435

6402

6434

BYD33D

3428

10K

BF4227400

2415

1m

8n2

2407

6418

1N4148

680p

2416

BYD33M

6433

2401

47n

0221C

3419

6405

BYD33D

4401

5401

12u

1

10

2

3

4

5

6

7

8

9

BAS216

6415

3426

10K

5445AT2078

BZX79-C12

6413

5551

27u

2402

330p

2410

22n

2408

470u

BYD33D

6412

6400

1N41

48

2404

330n

7431BC857B

3433

100R

3421

BAS216

6414

220K

3404

BAV21

6431

10K

3440

9425

3431

220K

9403

1N4148

27u

5408

BU1508DX7402

6406

Vlot8V

HdriveUC

VBatt

Hflybk

CRT_Discharge

MainAux

+160

+160

VlotAux5V

Vlot8V

ABLinfo

VlotAux13V

VlotAux13V

-13V

Vlot8V

2V / div DC20µs / div

100V / div DC20µs / div

1V / div DC20µs / div

1V / div DC20µs / div

L2 L3L1 L3 0V DCL2 0V DC

L4 0V1 DC

L5 0V2 DC

L6 2V DCL4 13V DC

L5 8V DC

L6 8V DC

L7 -13V DC

L7 -0V2 DC

L1

Page 4: 14PT314A_20PT326_20PT424 Chassis L9.2A

31L9.2A/78

Schematics and PWB’s 31L9.2A 7.

FLYBACKGENERATOR

POWERAMPLIFIER

THERMALPROTECTION

1V

VERTICAL

A4-64

0222 C50222A C50222B C52460 C22461 C22462 C22463 B32464 B42465 D32466 C42467 C52470 E23460 C23461 C23462 D23463 D43464 D43465 D53466 D53467 D53468 C53469 B2

4R7 3R35R6

A4-65

1 2 3 4 5 6

1 2 3 4 5 6

A

B

C

D

E

F

G

H

A

B

C

D

E

F

G

H

BRAZIL ONLY

DEFLEXÃO VERTICAL

0V5

0V

DEFLECTIONCOIL

3465

A7-31

A2-63

3470 B33471 E23472 D23473 D36460 B36461 B27460 B37469 D3

Europe

3R34R76R83465

AP 21"20"14"

3R34R7

14" 20" 21"USA

3465 5R6 3R9 4R7

3466 5R6

14" 20" 21"

5R6 4R7 3R3

3466 5R6 4R7 4R7

14" 20" 21"Brazil

3465 5R6 4R7 3R3

3466 5R6 3R9 4R7 3466

FISH HOOKS

1V

FOR

-13V13V

1V

2464

100u

3470

18K

820p

2461

2467

100n

F4

F5

02221

2

3466

4R7

3462

1K

1K

3461

3463

1R5

0222A

0222B

100R

3473

3464

2K2

2462

470p 22

0n

2466

2463

100n

3468

220R

F2

F3

2K2

3460

F1

6460

BYD33D

2460

470p

3465

4R77469

BC847B

220R

3467

2K2

3472

6461

BZX79-C33

3471

390R

3469

10K

2470

4n7

TDA9302H7460

3FLYB

4GND

7 IN+

1 IN-

5OUT

2VSUP

6VSUPO

-13V

VdrivePos

VlotAux13V

CRT_Discharge

VdriveNeg

V_Guard

100n

2465

CL 96532028_037.eps070499

0.5V / div DC5ms / div

0.5V / div DC5ms / div

10V / div DC5ms / div

2V / div DC5ms / div

0.5V / div DC5ms / div

F1 F2 F3 F5F4

1V / div DC20µs / div

1V / div DC20µs / div

1V / div DC5ms / div

1V / div DC5ms / div

S1 S2 S3 S4

0V7

HEW_Protn

4V2

G

H

A

B

C

D

E

F

G

H

2231 B32232 B42233 B22234 B32235 C52236 C52237 D22238 D22239 D22240 D42241 D42242 C52243 D42244 B42255 B52257 D23265 A43266 B23268 C2

-

Mono_RF/Stereo_AV

BG

-

Stereo(RF/AV)

BG/I/DK/M

-

A6-62

3V8 A7-72V3

3V

1V4

A3-64

1 2 3 4 5 6

1 2 3 4 5 6

A

B

C

D

E

F

2V4

4V

A3-65

8V

3269 C33270 D33271 D23272 D53273 D53274 D43275 D53276 D45205 A45405 A57250-D B3

I/DKBG/DK

1uF

M BG

RE

S

1uF

BG/I M

SINCRONISMO

Stereo(RF-non_DBX/AV)US only

1V4

2242

AVL

1uF 1uF 1uF

S2

2255

100p

S4

15K

3266

3265

1M

VDRB

51 VSC

37

V_P

2

S3

3271

4M7

5205

22u

220K

3275

Hflybk

VdriveNeg

VlotAux8V

VlotAux8V

VlotAux8V

VdrivePos

Hdrive

ABLinfo

Vlot8V

+8VA

1n2257

2235

2242 1u

Sound System

5V

A2-81

0V2

A7-32

10K

3273

1n2241

2244

100u

15p

2238

1K3274

100p

2237

2232

2n2

1K3276

2n2

2231

3269

39K

2240 1n

4n7

2234

4M7

3270

27K

3272

33K

3268

220n

220n

2243

2233 1u

2236

S1

100n

2239

TDA8844

39DECDIG

50

EHTO

45EWD

41FBISO

44GND2

40HOUT

52I_REF

43PH1LF

42

PH

2LF

46

VDRA

47

7250-D

5405

27u

CL 96532047_002.eps250599

Page 5: 14PT314A_20PT326_20PT424 Chassis L9.2A

32 L9.2A/78Schematics and PWB’s 32L9.2A 7.

12

1 2

1 2 3 4 5 6 7

3 4 5 6 7 8 9 10

8 9 10 111001 A81002 B81003 D41200 D101201 E101203 F102001 B42002 C4A

B

C

D

E

11 12

3002 A33003 A43004 E33013 C53014 C53015 C53016 C53017 A7

2003 B42004 C52005 B62006 B82007 B92008 A42009 D32010 E32011 F32012 D32013 D32200 F52201 F62202 F62203 F62205 F7

F

G

H

0239 A120240 A101000 A2

3278 E53279 G23280 H24000 D34201 F54210 D84221 E94222 E8

3018 B63019 F33020 B73021 C93022 E43026 E33027 D33200 F63201 F73202 F73203 H23204 D83205 E73206 E83207 D73208 E9

2206 D72207 D72220 D82227 E52252 A52256 E83000 C23001 C2

NC

MT

7250-A E67252 E107253 E117265 H37266 E89000 A79001 D39002 E49204 F59219 G7

9220 F79221 G79507 H4

4223 E84251 E25001 C95002 E35004 C45202 D105203 D86003 C56004 E46005 B76006 B76007 A46010 D37000 B87001 E47010 A5

3209 E93210 F103211 F113212 E113213 E113215 E113216 D113277 D5A5-23

4V7

2001 B4

5VTO

4V4

A7-11 OF

OR

7V6

34V

2002 C4

A5-23

A5-43

A12-43

2205 F7

F

G

H

0239 A120240 A101000 A21001 A81002 B81003 D41200 D101201 E101203 F10

A12-38

IntCarSIF

A7-23

3V3

8V6

4V7

A11-47

A6-51

A7-25

A5-24

A5-23

9507 H4

4223 E8

7250-A E67252 E107253 E117265 H37266 E89000 A79001 D39002 E49204 F59219 G7

9220 F79221 G7

0239TO

OR

OF

A5-45A9-45

A7-9

4251 E25001 C95002 E35004 C45202 D105203 D86003 C56004 E46005 B76006 B76007 A46010 D37000 B87001 E47010 A5

3209 E93210 F103211 F113212 E113213 E113215 E113216 D113277 D53278 E53279 G2

3V1

A7-24

A5-46

A7-3

1V

A7-10

A5-25

1V6

3280 H24000 D34201 F54210 D84221 E94222 E8

3018 B63019 F33020 B73021 C93022 E43026 E33027 D33200 F63201 F73202 F73203 H23204 D83205 E73206 E83207 D73208 E9

2206 D72207 D7

2V4

A5-45

TUNER VIDEO IF (A/P)

2220 D82227 E52252 A52256 E83000 C23001 C23002 A33003 A43004 E33013 C53014 C53015 C53016 C53017 A7

2003 B42004 C52005 B62006 B82007 B92008 A42009 D32010 E32011 F32012 D32013 D32200 F52201 F62202 F62203 F6

A12-42

A9-38

0240

A12-44

A12-41

A12-56

TUNER

4V7 2V9

A

B

C

D

E

11 123 4 5 6 7 8 9 10

8

A7-6

A10-49

A5-46

A5-25

(ITV MonitorOut)

9 10 11 12

1 2

1 2 3 4 5 6 7

A11-48

A10-37

2V6

A5-43

A5-24

A7-2

3V4

2010

120p

2008

I3

4222

SFSH1002

1

2

3

100n

2206

4221

4251

9001

1u2201

1N4148

6006

1N41

48

6004

100K

3015

3203

10K

7001BC848B

1203TPS

G2

I1O3

BC847B

3022

1K

1K

SFSH1001

3202

1M

6007

BZ

X55

-C33

9220

2006

47p

2011

10n

2013

10n

100R

3000

5203

4u7

3277

1KTPS

1200

2 G

1 I3 O

3209

1K

I5 I6

10u

3280

1K

BC857B7253

100u

2207

2009

12p

I1O3

9219

4000

1201TPS

G2

3026

1K

5004

820n

2003

100u

7252BC857B

6005

1N4148

3279

330R

4

5

6

7

8

9

3213

470R

02401

10

11

12

13

14

15

16

17

2

3

9507

2252

100n

3278

1K

55

2AUDIOEXT

AU

DIO

OU

T

15D

EC

SD

EM

56

DE

C_A

GC

53

GND1

14

IFD

EM

1

3

IFD

EM

2

4

IFIN148

IFIN249

IFVO6

PLL

LF

5

SN

DIF

1 12

V_P

1

TDA88447250-A

AG

CO

UT

54

AU

DE

EM

9000

15K

3002

220n

2256

390R

3201

2002

2205

100n

10u

4K7

10K

3027

2200 1n

3211

4201

22K

3020

560R

3206

3001

100R

470n

2227

1

2

3

4K7

3017

3215

470R

3004

3K3

4210

4223

10K

3013

9221

6u8

520222

n

2004

9204

6003

BAS216

3R3

3205

7266

3207

2203 10

u

220R

3208

2K2

3018

2005

100p

4

5

6

7

8

9

3210

4K7

1

10

11

12

13

14

15

16

17

2

3

I2

0239

3016

680R

12K

3003

10n

2012

2220

220p

47n

2001

7000BC847B

5

9002

470R

3216

13

1003

1

2

3

4

7010L78M05

2

AS

12

13

14

15

1

2

6

9

10

11

4SCL

5SDA

1000

7+5

8ADC

3

680R

3200

3204

1K

7265BC337-25

I1

1K3019

33p

2202

470R

3212

6

7

s1

8

5002TYPE

123

4I4

5001

22u

18K

3014

2007

56p

1K3021

6010

BA482

LLp|Mtrap

+8VA

AudioOutR

AudioOutL|Mono

Ext2AudioR

VlotAux5V

SIF

FM|AM|Ext_VC_AudioMono

AudioSupply10V|14V

VlotAux8V

AudioSupplyGnd

AudioSupply10V|14V AudioSupply10V|14VA

FM|AM|Audio

VlotAux13V

SDA

SCL

+5VA

VideoOut

LLp|Mtrap

SIF

FM|AM|Audio

+5VA

AudioOutL|Mono

ExtAudioMono

VlotAux8V

CVBS_INT

VlotAux8V

SCL

SDA

Dual|Mono

VBatt

AudioSupply10V|14VA

VlotAux8V

VlotAux5V

LLp|Mtrap

MainAudioL|Mono

AudioSupplyGnd

Front|Ext1AudioL

Front|Ext1AudioR

TrebleSw

BassSw

Volume

Buzzer

Ext1|2

Ext2AudioL|Mono

CL 96532047_004.eps260599

I2

0.5V / div AC20µs / div

0.2V / div DC5µs / div

1V / div DC5µs / div

1V / div DC2µs / div

I1 I3 I4 I6I5

1V / div DC20µs / div

1V / div DC10µs / div

Page 6: 14PT314A_20PT326_20PT424 Chassis L9.2A

38 L9.2A/78

7 Esquemas Elétricos e Guias de PlacasSchematics and PWB’s 38L9.2A 7.

-

2257

2248

2247

2246

2217

1208

1207

-

-

-

Jumper

Jumper

Yes

-

--

-

Yes

-

47R

H

47R

A7-33

A7-27

A4-62

1 3

TO 0

245

0F C

RT

PA

NE

L

3V3

5 6

A12-54

A7-22

92 3 4 5 6 7 8 9 10 11 12

3206

2V6

2V9

A7-35A7-26

1206

1205

2 10

6217 B11

3V7

3246 F113247 B83248 B83249 C73257 B103258 C103259 C103260 C104211 D54212 D54213 D46212 F106213 C116214 D116215 D11

3208

2V9

2V6

A12-57A11-57

3243 F9

3213

3230

3231

3232

3277

B2248 D52250 C112253 F103214 D113218 C23219 C23221 E103222 E103223 C23224 B43225 D63228 B43230 D63231 E53232 E53238 F9

4

A2-62F

A7-24

2247 D4

2V9

2V9

1205 D31206 D41207 D41208 D52210 C22211 C22212 B42213 B42214 D32215 D32216 D32217 D42218 D112221 D62222 D62223 D82224 E82225 E82226 F92228 E102229 E112230 E112246 D4

G

A12-55

7

2V4

PROCESS. VIDEO A/P

A7-25

12

2V9

A

A2-63

3V7

E

AV2 AV1,AV2,SVHS

2210 470nF 470nF 470nF

2212 -

B

C

D

E

F

G

H

0243 B12

1nF

2213 - 470nF 470nF

3218 100R 100R 100R

3223 75R 75R 75R

3224 - 75R 75R

3228 - 100R 100R

7259

AV1

3V3

3V61V33V3

2V6

D

C

1

3V7

A7-23

A12-56

A3-63

11

A5-51

A7-34

2V6V8

2V4

A7-36

A

-

560R

220R

270R

1nF

15pF

15pF

BC847B

18pF

-

15pF

15pF

1nF

270R

220R

560R

-

4212

4213

7258

7257

7250

6218 B116219 B107206 F107250-B C37250-C B107256 B27257 E47258 E47259 D69155 B2

3V3

3.5795MXTL

-

-

-

TDA8846S1

BC847B

3278

2V55V

2V6

2V6

4211

-

-

-

15pF

-

270R

82R

470R

BC847B

BC847B

-

TDA8841S1

-

-

-

3.5756MXTL

-

-

-

8

-

-

-

Yes

-

-

BC847B

TDA8841S1

47p

2228

V1 V4

2223

47n

-

2218

6n8

V9

V7

V6

V5

V8

7206

3222

560R

3232

33K

2211

470n

47R

3259

2224

47n

V3V2

3n3

2221

02431

2

3

4

5

6

470n

2210

V10

3249

10K

2246

-

-

220R

82R

470R

-

-

TDA8841S1

-

-

TDA8841S1

4.43MXTL

-

-

3.5795MXTL

TRINOMA

-

-

-

Jumper

Jumper

Yes

-

-

PAL PB

PAL M

-

-

-

-

220R

82R

470R

BINOMATRINOMANTSCPAL/SECAMPAL/SECAMPAL/NTSCPAL

NTSC

-

-

-

TDA8842S1

4.43MXTL

-

-

3.5795MXTL

PAL PB

4.43MXTL

-

-

-

18pF

-

-

-

-

-

Jumper

Jumper

Yes

-

-

18pF

-

-

15pF

-

220R

82R

470R

-

-

-

15pF

-

270R

220R

560R

-

-

TDA8841S1

ASIA PACIFIC LATAM USA

NTSC MBINOMA

18pF

-

-

TDA8841S1

4.43MXTL

3.582MXTL

3.5756MXTL

3.5795MXTL

-

-

-

Jumper

Jumper

-

-

-

33K

33K

33K

Jumper

Jumper

-

Yes

-

18pF

-

-

Jumper

Jumper

-

-

-

-

-

47R

47R

270R

220R

560R

-

-

-

-

TDA8841S1

-

-

-

3.5795MXTL

-

-

3.5795MXTL

TDA8841S1

-

3.582MXTL

3.5756MXTL

3.5795MXTL

-

-

-

TDA8842S1

4.43MXTL

-

-

-

-

33K

33K

Jumper

Jumper

Yes

-

Yes

18pF

15pF

15pF

15pF

1nF

270R

220R

560R

-

-

-

15pF

1nF

270R

220R

560R

BC847B

BC847B

-

15pF

-

220R

82R

560R

- -

-

TDA8841S1

4.43MXTL

-

3.5756MXTL

3.5795MXTL

-

-

1nF

15pF

15pF

-

-

3.5756MXTL

33K

33K

-

47R

47R

-

Yes

-

-

15pF

-

Jumper

Jumper

Yes

-

-

4211

1n

2212

470n

2250

3224

75R

2217

15p

2225

47n

1206

3M58

2056

100R

3247

BI

18BLKIN

19BO31 BYI

24

GI

20GO

27LUMIN

26

RGBIN

23

RI

RO 21

32 RYI

7

SC

L

8

SD

A

100R

3218

7250-CTDA8844

22

BCLIN

25

75R

3223

7257BFS20

100n

2222

BA

S21

6

6217

4K7

3246

1N4148

6213

33K

3231

3228

1208

3M57

9545

47R

3257

100R

100K

3225

2u2

2215

3258

47R

4K7

3243

47p

2230

2226

10u

470n

2213

3221

100R

4212

17 CVBS_EXT

13CVBS_INT

11

CV

BS

_Y

9

DE

C_B

G

36

DE

T

28LUMOUT

33

RE

FO

30RYO

16

SE

CP

LL

34

XTA

L1

35

XTA

L2

TDA88447250-B

BYO29

10

CH

RO

MA

38

CV

BS

OBC847B

4213

7256

BFS207258

560R

3219

1205

4M43

3619

BA

S21

6

6218

BA

S21

6

6219

BC857B

2214

22n

2247

15p

15p

220K

3238

3230

33K

15p

2248

3214

220R

3248

100R

7259BFS20

47p

2229

1N4148

6215

9155

6212

1N4148

3260

1K

2216

220n

6214

1N4148

1207

3M57

5611

22n

2253

VlotAux8V

VlotAux8V

Ext2Video|Y

SCL

SDA

ABLinfo

Ext1Video

VideoOut

CRT_Discharge

Sys1|AM

Sys2|AMFM_ExtSel

LLp|Mtrap

R_Txt|Osd

G_Txt|Osd

B_Txt|Osd

Ext2C

R G B

FB_Txt|Osd

CVBSTxt

CVBS_INT

CL 96532047_005.eps260599

V7

0.5V / div AC20µs / div

V8

2V / div DC20µs / div

0.5V / div AC20µs / div

V1 CVBS-INT

V4

V3

0.5V / div AC20µs / div

0.5V / div AC20µs / div

0.5V / div AC20µs / div

V2

0.5V / div AC 20µs / div

0.5V / div AC20µs / div

V6

V5

V10

V9

1V / div DC20µs / div

1V / div DC10µs / div

Page 7: 14PT314A_20PT326_20PT424 Chassis L9.2A

39L9.2A/78

7 Esquemas Elétricos e Guias de PlacasSchematics and PWB’s 39L9.2A 7.

COMP

FF

COMP

560R

Yes

560R

-

BZX284-C3V9

1V2

0V7

1V3

5V

4V3

A13-33

P1-5|SDA1

A6-23

9V5 3V5

Sc1

5

Startup Circuitry

C

(Mono)Sc1,Front

Cinch(Mono)

BZX284-C3V9

13V

Yes

9633

SAM

GND

Service alignment mode

4V3

Sc1,Sc2(Stereo)

Sc1,FrontCinch(Stereo)

A5-27

F

5V3

5V3

6V

H

11

1V7

5V3

12V

1V7

Sc1,Sc2,SideAV(Stereo)

4614

5V1

1V

5V3

P1-7|SDA0

0V4

5V3

560R

Yes

3670

Stereo Mono

3K9 2K2

0V7

5V3

5V3

3618

A2-32

7609 D97610 E97611 D37612 B27620 E2

9

A5-11

4

5V3

A6-24

560R

Yes

560R

9618 G89619 G89620 F89652 E109653 F109654 F109655 G10

5V3

5V3

A7-1

EE

PR

OM

DD

A12-13

8

0V9

5

5602 A75603 A95604 E85605 B76600 B2

A7-30

VDDC

RES

A7-29

4

5V3

5V3

5V3

A7-832V8

A6-36

PAINTER

6601 C26602 E106603 F106604 F106605 G106610 E26612 E36669 D27600 B67601 A107602 A27605 D37607 G27608 G4

3641 F93642 G93643 F83644 F7

3645 B8

A7-34

5

A7-35

9

A6-33

5V3

2V3

5V3

7621 E3

A8-15

Horizontal & Vertical Pulse

3646 B83647 G83648 F83649 F83650 E23651 F23652 E23653 F33654 E33655 E43670 A64614 C64615 D54616 B25601 A7

3624-D B93624-E B93624-F C93624-G C93625 A10

A7-83

81 10

A7-19

CORB

A7-30

A4-7

A5-25

A7-18

ITV Connectors

2

VDDA

3626 A103627 A103628 C93629 D93630 D103631 E103632 E93633 E103634 E93635 C53636 E33637 B63639 E93640 F9

3616-J C53616-K C53617-A F53617-B F53617-C E5

3

RES

A9-27

P1-6|SCL0

A7-36

5V3

5V3

5V3

5V3

A9-26

A6-22

A13-12

G

A6-34

12

3617-D E53617-E E53617-F E53618 F53619 G53620 G63622 B83623 B83624-A A93624-B A93624-C B9

3603 C23605 D23606 D23607 C33608 F5

A7-36

8

A12-12

A7-10

A8-14

A

B

A18-16

RES

5V1

A7-17

A7-1

3609 F23610 G23611 G23612 G43613 H43614 H43615 H33616-A A53616-B A53616-C B53616-D B53616-E B53616-H B53616-I C5

2615 D92616 D82617 D82618 E102619 D8

5V Regulator/Reset Circuit

A10-5

9 11

A6-35

VPE

A7-17

A6-25

A5-24

E

4

A7-82

2620 E92621 F92622 F92623 G92624 G62625 G52626 E102651 F22670 B52675 D23600 B23601 B13602 C2

D

E

F

G

H

CONTROLE

10

5

A5-2

12

A7-1

2

A7-4

1V1

"SDM"

A7-18

A7-19

G

2

VDDP

11

BCL_Protn

A4-32

3.3V Regulator Circuit

2609 F52610 G22611 F62612 A112613 B102614 B10

12

A

A8-21

A5-6

6

A2-20

A5-3

A7-33

Derivation Circuit

A7-4

10

A10-11

1

A7-34

12

76

SAA5565PS

5V3

A10-2

9V5

A

B

C

9 10 11 12

1 7

10

41

A7-33

P1-4|SCL1

A8-28

C

A5-5

A6-26

F

VSSC

RES

A5-9

8

7

2 3 4 5 6 7 8 9 10 11

2604 A72605 A72606 B72607 E32608 G2

3

2V4

3

H

A7-29

12

A7-82

4V1

61

E

For Compair

4V7

5V3

"SAM"

2V9

9636A2-8

1 2 3 4 5 6 7 8

2 11

3

A7-19

A7-29

9

A7-10

VSSP

6

A3-31

SYNC_FILTER

A10-3A7-35

0219 A120224 A100225 F30226 F30228 A100236 D120237 E120238 C120256 F120267 G120605 D61600 D82600 B22601 C3

B

7

8K2

3616-D1 5

5605

2U2

C4

470R

3602

C2

P3-3|ADC3

30P3-4|PWM7

34R

43RESET

31

38

44

39

35VDS

22VSSA

13

28

37VSYNC

41XTAIN

42XTAOUT

52

49

50

1P2-0|TPWM

2P2-1|PWM0

3P2-2|PWM1

4P2-3|PWM2

5P2-4|PWM3

6P2-5|PWM4

7P2-6|PWM5

8P2-7|PWM6

9P3-0|ADC0

10P3-1|ADC1

11P3-2|ADC2

12

36HSYNC

26 IREF

40OSCGND

14P0-0

15P0-1

16P0-2

17P0-3

18P0-4

19P0-5

20P0-6

21P0-7

45P1-0|INT1

46P1-1|T0

47P1-2|INT0

48P1-3|T1

51

7600

32B

25

29

23 CVBS0

24 CVBS1

27FRAME

33G

7610BC847B

1K

3650

100n

2619

3600

180R

6601

0228

C3

0226

9652

5603

6u8

3635

4K7

2614

82p

1M3654

2670

10u

6669

BZX79-F6V8

NE555D

5CTRL

7 DISC

1

GND3OUT

4RES

6 THR

2TR

8

VCC

2609

100n7607

1K3651

9654

2675

470n

6600

02381

2

3

4

5

1 4

8K2

3617-E1 6

2651

10u

8K2

3616-C

BC848B7605

2615

100p

7609BC847B

1n2607

3601

1K2

1N4148

100p

2625

6604

BZX79-F8V2

6612

100R

3626

3618

560R

8K2

3617-B1 3

6605

1N4148

2623

7611BC847B

3606

22K

2604

100n

150R

3641

3613

3K3

45

6 7

8

100R

3623

2

7601ST24W04B1

123

8K2

3624-A136

11

8K2

3629

4K7

9655

22n

2612

8K2

3617-D1 5

6603

1N4148

0225

10K

3627

9619

3644

10K

1 11

3619

2K2

8K2

3616-J

3648

4K7

4615

3

4

3624-G

8K2

1 8

02371

2

220p

2618

0224

5604

0u10

1K3603

82p

2613

C1

8K2

3624-B1 3

1

2

3

4

0236

2621

7602BD135-16

2624

100n

8K2

3616-H1 9

22p

2616

2622

3634

5K6

7608PMBT2369

22u

2601

100R

3628

3643

10K

3605

22K

470R

3652

2K2

3636

470R

3653 1N4148

6602

100R

3670

1 3

330K

3630

8K2

3616-B0219

1

2

3

4

5

3624-E

8K2

1 6

2610

3n3

3631

220K

8K2

3624-D1 5

4K7

3637

820R

3615

1 12

8K2

3616-A1 2

8K2

3616-K

BC848B7621

8K2

3624-F1 7

8K2

3617-C1 4

9620

100n

2611

4614

9618

3647

4K7

3649

4K7

BD135-167612

3607

10K

8K2

3616-I1 10

100R

3622

150R

3639

2K2

3608

8K2

3617-F1 7

100K

3655

2606

100n

7620BC547B

8K2

1 4

8u2

5601

6610

BZX79-F6V2

3624-C

1

2626

68p

0605

1

2

100R

3645

0256

27K

3620

3609

820R

150R

36422

3

02671

820R

3612

26171600

12M

HZ

3614

3K3

22p

27K

3633

100R

3646

3610

470R

2620

5602

8u2

1 2

3632

4K7

8K2

3617-A

1 6

8K2

3616-E

1n2608

100n

2605

4616

150R

3640

3625

100R

2600

22u

Dout

Din

KeyBd3

KeyBd2

+5VD

3V3A V_Guard

+5VD

VD

9653

Reset

+5VD

BassSw

TrebleSw

Ext1|2

+5VD

G_Txt|Osd

B_Txt|Osd

R_Txt|Osd

G_Txt|Osd

B_Txt|Osd

FB_Txt|Osd

FB_Txt|Osd

R_Txt|Osd

+5VD

Standby

Hdrive

Hdrive-uC+5VD

CVBSTxt

+5VD

SCL

SDA

SCL2

SDA2

Standby

AV_Mute

LED

Dout

Din

POR|CLK

3V3B

3.3VD

Hflybk

BassSw

TrebleSw

Dual|Mono

POR|CLK

ScartPin8|SVHS

+5VD

3V3A

Buzzer

Vaux

+5VD Standby

IR

HD

VD

Reset

3V3B

KeyBd1

HD

Reset

+5VD

+5VD

W_Disable

W_Disable

Volume

LLp|Mtrap

3.3VD

SM

Sys2|AMFM_ExtSel

VD

Sys1|AM

SCL

SCL2

SDA2

+5VD

SDA

VlotAux13V

3.3VD

Vaux

A13

RF/VIDEO2SWITCHING

TO 0105

CL 96532028_043.eps070499

1V / div DC0.5µs / div

1V / div DC5µs / div

C1 C4

Page 8: 14PT314A_20PT326_20PT424 Chassis L9.2A

41L9.2A/78

7 Esquemas Elétricos e Guias de PlacasSchematics and PWB’s 41L9.2A 7.

TEMPERATURE

PROTECTION

STABILIZER+

+

-

Vref

Vref

NC

PROTECTION

TEMPERATURESTABILIZER

4907

100nF -2973

82nF -2974

A11-67

10nF -2975

7953

TDA7056B -7954

*

*

*

33nF -2972

*

RE

S

3975

3V

MainSupplyGnd

ITV only

A7-5

To loudspeakers

SMART SOUND + AMPL. DE SOM MONO

1K8

470R -3973

6K8 Jumper3974

5K6 -

9958 F3

9V

9V

0V7

19V

9953 E5

RE

S

*

*

*

4905 D64906 B34907 B44908 B56953 E67951 B37952 C47953 B77954 D77955 D57956 E6

RES

A7-3

A5-49

For Radio

1 2 3 4 5 6 7 8 9 10 11 12

2V4

purpose

AudioSupplyGnd

82n

Smart Sound

RE

S

2V4

A7-11

A5-37

2953 B6

A

B

C

D

E

F

G

H

0215 C100215A B110215B B110264 D42950 E52951 E72952 C7

3983 B5

RES

Brazil onlyFishhooks for

SpkrLn

2954 B82955 E32956 D72957 D92958 C102959 C102971 B42972 B52973 C52974 C62975 C62976 B63950 E53953 E73971 B33972 C33973 B53974 B53975 C53976 C53977 C53978 C53979 D63980 B33981 C33982 C5

-220nF

2956 -2n2

2954 220nF

-3979

BC847B

-

2952

2957

SpkrLp

* for ITV onlyA7-2

RE

S

SMART SOUND (MONO)

5K6

3975

2952

4906

SpkrLpOut

BassSw

AudioSupply10V|14VA

FM|AM|Ext_VC_AudioMono

AudioSupply10V|14VA AudioSupply10V|14VA

TrebleSw

AudioSupply10V|14VA

MainAudioL|Mono

Buzzer

SpkrLpIn

AudioSupply10V|14VA

VlotAux8V

Volume

VlotAux8V

10u

2951

7954

1

4

3 6

2

NC17

5

8

220n

2953

2956

3980

1K8

3977

2959

-3976

1K8 -3977

12K -3978

220R

BassSw

-7952

BC847B -7955

1W

A11-66

Sound Amplifier

- 2n2

TrebleSw

ON

OFF

L

H

L

H

2W/3W/4WBasic Sound

Sound Control

- TDA7052B

7952BC847B

BZX284-C3V3

6953

1K3972

2954

7951BC847B

10n

2975

2950

10u

4908

27K

3950

2957

270R

3971

1K8

3976

12K

3978

6K8

3974

2

2958

0215110u

2971

4905

7956BC857B

5

3

1 9

8

7

6

4

VP

2

02641

2

7953

3K3

3953

A5

3982

15K

33n

2972

0215B

3981

A4

2976

220R

3979

3983

9958

2973

100n

470R

3973

BC847B7955

2955

470u

A30215A

2974

9953

CL 96532047_006.eps260599

Page 9: 14PT314A_20PT326_20PT424 Chassis L9.2A

42 L9.2A/78

7 Esquemas Elétricos e Guias de PlacasSchematics and PWB’s 42L9.2A 7.

330pF

2174 10uF 10uF

2176 330pF 330pF

2177 10uF 10uF

3156 270R 270R

for other regions use 242202604747

CINCH FRONTAL + FONE OUV.

TO

A5-47

HEADPHONE / SPEAKER

A11-70

TO 0229 OF

A10-67

4152 For Mono set Only

Cinch Mono

330pF -330pF

3150 - - 47K --

3151 - -

SC1Mono

SC1,Front

-47K

3153 - - 1K -1K

3155 - - - -

3157 270R 270R

4154 - Yes

LEFT

4151,4153 for stereo set without front cinch

Yes

RIGHT

OR

A5-48

Yes

4153 - Yes - -

4155 - - - -Yes

4156 - - Yes --

6161

2173

-Yes0234

YesYes

Front|Ext1Video

A11-73

330pF

OR

0247

OR

A

B

C

D

E

F

G

H

0217 E60218-A C20218-B B20218-C D20230 C50232 E40234 F60249 B51150 E31151 F31152 D31153 B31154 C32171 B42172 C42173 E32174 E32176 F32177 F3

VIDEO IN

NOTE : 0191 use 242202604471 for INDIA only

OF

ONLY

1 2 3 4 5 6 7 8 9 10 11 12

1 2 3 4 5 6 7 8 9 10 11 12

9122 for mono set without front cinch

INDIA

FOR

A10-66

A6-57

TO 0260 OF

FRONT CINCH

3150 B33151 A33152 C33153 B33155 D43156 E33157 F33158 E23159 E24150 F54151 A34152 B24153 B34154 F24156 D36161 D4

5

6

1

2

3

2176

330p

2174

4u7

0218-CYKC21-5599

9

75R

3155

0218-AYKC21-5599 7

8

Yes Yes -Yes

2171 - - 330pF --

2172 - -

- - - --

Front I/O Configuration

Headphone Configuration

0232

HeadphoneStereo

HeadphoneStereo

1K --

3152 - - 47K

SC1,SC2Stereo

SC1,FrontCinch Stereo

SC1,SC2,SideAV Stereo

0218 - - A,B,C -B,C

0230

-

4151 - Yes - --

4152 - - - -

- - Yes -Yes

0249 -21

71

330p

120R

3156

47K

3152

2177

4u7

330p

2173

3

43150

47K

4156

0249

1

2

02341

2

3

4

5

1

2

3

3157

120R

4154

0230

4152

4

5

6

1K

3153

4151

3159

47K

1154

4150

1

2

3

1150

1152

02170232YKB21-5099A1

2

3

4

5

6

7

8

9

4153

3158

47K

1151

1

2

3

YKC21-55990218-B

4

3151

1K

330p

2172

1153

6161

BZ

X79

-C6V

8

SpkrLpIn

SpkrLpIn

SpkrLpIn

SpkrRpIn

SpkrRpIn

SpkrRpIn

Ext1|2

Ext1Video

SpkrRpOut

SpkrRpOut

Front|Ext1AudioR

Front|Ext1AudioL

SpkrLpOut

SpkrLpOut

CL 96532028_047.eps070499

Page 10: 14PT314A_20PT326_20PT424 Chassis L9.2A

43L9.2A/78

7 Esquemas Elétricos e Guias de PlacasSchematics and PWB’s 43L9.2A 7.

* For ITV Only

8V4

A6-56

A12-42

or 0249 of

A

B

C

D

E

F

G

H

0214 B110216 A110223-A G30223-B F30223-C E30223-D D30223-E C30223-F B30223-G H30223-H E30223-I C30227 B110229 E11

A12-68

A12-72

BZ

X79

-C6V

8

A5-44

A12-55

A5-38

1 2 3 4 5 6 7 8 9 10 11 12

1 2 3 4 5 6 7 8 9 10 11 12

A5-56

BZX79-C6V8

VIDEO OUT

A12-38

RIGHT

A12-54

A12-55

LEFT

A11-72

To 0252 of

0233-A B20233-B B20260 E111100 A41101 B31102 C31103 C31104 D31105 E31106 E31107 F41108 F41109 G42110 C42111 C42112 E42113 E42114 F52115 G52135 F52136 F62137 F6

C

RIGHT

A12-43

*4120

(/w front Cinch)

A6-54

A12-57

A12-75

A5-42

To 0253 of

or 0230 of

REAR 1

A12-41A5-41

MONITOR

LEFT

RIGHT

LEFT

3110 A43111 B43112 A53113 B53114 C53115 C53117 D53118 E53119 E53120 F53121 F53122 F53124 G5

(ITV MonitorOut)

A7-12

Y

A12-75

A12-13

BZX79-C6V8

A12-44

BZ

X79

-C6V

8

A12-72

A12-68

A12-56

3125 G53127 E53128 C53129 D43140 F63141 G63145 E63146 F63147 F64120 D64121 E64122 E64146 F64147 F64160 D66110 A46111 B46116 D46121 F46122 F46123 F4

CINCH I/O TRAS.

BZ

X79

-C6V

8

A12-56S_VHS

6124 G46125 G47116 G57118 F69145 B49170 D6

BZ

X79

-C6V

8

A12-57

OUT

Use when front I/O is absent

A7-13

A5-43

A6-57

A12-38

A12-44

(w/o front Cinch)

A11-68

A12-54

A12-43

REAR 2

A12-41

A6-55

A12-4261

21

BZ

X79

-C5V

6

6111

6116

6124

9

0223-H10

8

1

2

3

4

470n

2137

220K

3125

3147

270R

75R

3111

4147

4146

47K

3115

0216

3140

220K

1

2

3

4

3129

75R

1104

1109

0223-E 19

18

1u

2136

6123

BZ

X79

-C5V

6

6110

3122

220K

3112

100R

3110

75R

02291

2

3

2

7

3

8

1

3113

1K

0233-A

150R

3124

2113

330p

1105

1100

4160

0260

330p

2111

3121

150R

1107

1103

330p

2112

0223-B7

6

2110

330p

2114

330p

330p

2115

0223-D14

13

4122

1K

3117

9170

1106

0223-A5

4

0223-F 21

20

1108

4121

0223-I 17

15

16

11

VlotAux8V

4120

1101

0223-C12

3127

1K

3128

47K

3119

47K

0233-B

5

10

4

9

6

11

BC847B7118

1u2135

0223-G3

1

2

BC847B7116

02141

2

3

47K

3118

1K

3114

4

3141

1K

02271

2

3

3120

75R

6122

9145

3145

680R

3146

330K

6125

1102

Ext2AudioL|Mono

AudioOutR

AudioOutL|Mono

Front|Ext1Video

Ext2C

Ext1Video

Ext1AudioL|Mono

Front|Ext1AudioMonoExtAudioMono

AV_Mute

Ext1Video

VideoOut

Ext1AudioL|Mono

ExtAudioMono

Ext2AudioL|Mono

Ext2AudioR

VideoOut

Ext2C

Ext2Video|Y

AudioOutR

Front|Ext1Video

Ext2AudioR

Front|Ext1AudioMono

ScartPin8|SVHS

Ext2Video|Y

AudioOutL|Mono

+5VA

CL 96532047_007.eps260599

Page 11: 14PT314A_20PT326_20PT424 Chassis L9.2A

44 L9.2A/78

7 Esquemas Elétricos e Guias de PlacasSchematics and PWB’s 44L9.2A 7.

Blue

Green

Red

10

LOT OF

10

D

11

F

A

B

C

D

E

F

G

H

VG2 F100165 B80244 G30245 C20254 D81300 B82313 F42323 D42331 B42341 F6

1

G

FROM MAIN CHASSIS

TO

C

1 2 3 4 5 6 7 8 9 10 11 12

1 2 3 4 5 6 7 8 9 10 11 12

Pin 7 Pin 8

Heater Pin 5 Pin 9

Heater Pin 4 Pin 10

Blue Pin 3 Pin 11

CRT

2342 H32343 H43311 F33312 F43313 F43314 E43316 D53317 C63321 D33322 D43323 E43324 C43326 C53327 C63331 C33332 C43333 C43334 B43336 A53337 B7

Heater

Ground

VG1 VG2

Green

Pin 5Pin 6VG1

Pin 1 & 12Pin 1

9 Pin 12 Pin

GND

Blue

Red

Pin 7Pin 8VG2

Pin 6Pin 9

3341 E63347 F53348 E63349 F73350 F75341 G35342 H36311 E56321 C56331 B56341 A56342 G4

8

6

EHT

A

91

3 7

7

OF

5

6343 G67311 F47312 E57313 E57321 D47322 C57323 D57331 B47332 B57333 B59300 F4

190V

129V

1V9

129V

2V4

GND

5

82 9

4

140V

6

0220 OF

1V9

2V4 1V2

E

FOCUS

129V

3

1V9

190V

129V

1V2

140V

B

12

129V

12

H

11

2

129V

190V

140V

1V22V4

PAINEL CRT

4

TO 0243

12

4

5

6

7

8

9

1G

OLDGND

NEWGND

Heater

Green

Red

100R

3349

0245

1

2313

220p

1K5

3317

2341

2

3

4

5

6

3350

100R

RED

BLUE

GREEN

BLKCURINFO

160V

V13

3314

33K

OLDGND

V15

330R

3322

BA

V21

6321

1K3347

1K5

3348

NEWGND

220R

3336

7323BF423

1K3321

5342

22u

33R

3323

3333

33R

V11

1

3

4

5

6

7

8

9

3324

33K

1300

3332

470R

BF4227312

7333BF423

OLDGND

3337

0254

10

11

9300

1K5

BZ

X28

4-C

8V2

3312

470R

6331

BA

V21

6343

V12

BA

V21

6341

220p

2323

33K

3334

NEWGND

3316

220R

2342

47n

OLDGND

1K5

3341

3311

1K

V14

VG2

1N4148

6342

7332BF422

V16

6311

BA

V21

3313

33R

15n

2343

3327

1K5

7313BF423

3331

1K

0244

FILEMENT

1

2

3

22u

5341

0165

OLDGND

2331

220p

BF4227311

BF4227331

NEWGND

OLDGND

220R

3326

680p

7321BF422

OLDGND

7322BF422

160V 160V

160V

160V

160V

160V

160V

CL 96532047_008.eps260599

50V / div DC10µs / div

50V / div DC20µs / div

50V / div DC10µs / div

V14

V15

V16

V11 R

V12 G

V13 B

1V / div DC10µs / div

1V / div DC10µs / div

1V / div DC10µs / div

Page 12: 14PT314A_20PT326_20PT424 Chassis L9.2A

46 L9.2A/78

7 Esquemas Elétricos e Guias de PlacasSchematics and PWB’s 46L9.2A 7.

L

H

L

H

LOGICLSBMSB

LL

LH

HL

HH

LL

LH

HL

HH

+ RFFILTER

C2ISUPPLY+ VCA

DETECTOR

AVLMODE SELDEMATRIX +

DECODERSTEREO

A7-24

C1-9

5 6 7

A7-23

A7-5

RE

S

C2-79

8

C1-5

C2-80

C1-

41

1 2 3 4 5 6 7 8 9 10 11 12

1 2 3 4

C1-24

9955 G4

C1-23

C1-46

C2-49

C1-11

RE

S

4861 C74862 E84901 G44902 D94907 A94908 B116861 C57861 C37862 C77871 B67921 E97922 F107923 F117951 B97952 C107955 C119950 E11

RES

To 0240 of

RE

S

RE

S

SMART SOUND (STEREO)

A5-47

A7-2

C1-

11

H

C1-

24

A7-25

C2-77

9 10 11 12

A

B

C

D

E

F

G

2876 D5

A7-3

C1-

42

C1-

5

C1-11

2877 D5

A7-11

C1-5

RE

S

A7-9C2-2

AUDIO DECODING

0239 F20240 F41861 B42861 C22862 C22863 E32864 B32865 B32866 B32867 B42868 B42869 B52870 D32871 D32872 D32873 D42874 D42875 B6

C1-23

AUDIO SOURCE SELECT

A5-48

82n

C1-25

C1-9

RE

S

C2-3

C1-46

82n

A5-46

2878 D62879 D62880 C72881 D72882 D72883 D72884 B72921 E102922 D102923 F112924 E112925 F112971 B102972 B102973 C112974 B112975 C113861 D33862 D33863 D33864 B33865 D53866 D53867 D4

A5-47

A5-48

To 0239 of

3868 E73869 E63871 B53872 B53873 C63874 D63899 H53921 D93922 E93923 D103924 E103925 E103926 E113927 E103928 F103929 F113930 E93931 D93971 A93972 B93973 A103974 B103975 B103976 B113977 B103978 C103979 C113980 B93981 A9

100n

2973

DECODIF. BTSC + SELEÇÃO DE FONTE + SMART SOUND (ESTEREO)

C1-

2528

75

3863

100R

3973

470R10K

3981

A11

9950

BC847B7922

3926

1K8

3971

270R

3861

15K

3928

12K

A9

3929

220R

A15

2876

4907

100n

2923

2975

10n

Ext1AudioGnd

A12

A14

3976

1K8

4901

A10

2877

3975

5K6

2880

1u 3979

220R

3866

100R

SIFGnd

3972

1K

3871

220R

3867

100K

2974

2871 1u

2863

22n

3978

12K

2u2

2867

BZ

X79

-C10

6861

3873

3K9

3874

3K9

2861

2u2

1

10

11

12

13

14

15

2 3

4

5

6

916

VDD

7

VEE

8

VSS

7862HEF4052BT

3927

1K8

2865

2u2

2869 4u

7

BC6357871

4861

3977

1K8

100u

2873

3980

10K

2879

2878

10K

3930

3925

5K6

3K3

3869

A8

13

14

15

16

17

2

3

4

5

6

7

8

9

02391

10

11

12

3931

10K

7923BC847B

3923

470R

3K3

3868

A13

3862

1K2

18

CW

23

DG

ND

21 FDI

20 FDO

11NC

12OUTL

13OUTR

10

RF

R

1SCL

24SDA

17

TW

15

VC

AP

2

VC

C

14

VR

EF

TDA98517861

22

AG

ND

19

BP

U

16

CA

V

4

CE

R

8

CM

O

7 COMP

5

CP

1

6

CP

2

3

CP

H

9

CS

S

3974

6K8

2884

100n

2924

470n

2971

2866

220n

3921

270R

2972

33n

514K5

1861

CSB38

64

3K3

2870

4n7

2925

10n

3922

1K

470n

2921

MainAudioGnd

2862

4862

1u

2882

AudioOutGnd

1u

2881

BC847B7951

BC847B7952

BC847B7921

3872

100R

3924

6K8

3

4

5

6

7

8

9

2874

100u

1

10

11

12

13

14

15

16

17

2

100R

3865

0240

2868 2u

2

A7

2872

10u

4902

VlotAuxGnd

7955BC847B

2922

33n

2864

220n

9955

4908

2883

1u

3899

AudioR

AudioL|Mono

SIF

LLp|Mtrap

Ext1|2

MainAudioL|Mono

BassSw

SC

L

Bas

sSw

SD

A

Fron

t|Ext

1Aud

ioR

Fron

t|Ext

1Aud

ioL

Front|Ext1AudioL

Front|Ext1AudioR

AudioSupply10V|14V

Front|Ext1AudioR

SDA

AudioSupplyGnd

Ext1|2VlotAux8V

Buzzer

SIF

LLp|Mtrap

Front|Ext1AudioL

VlotAux5V

VlotAux13V

SCL

BassSw

+9V

MainAudioR

+9V

+9V

+9V

TrebleSw

Treb

leS

w

+9V

VlotAux13V

Volume

TrebleSw

CL 96532047_010.eps260599

Page 13: 14PT314A_20PT326_20PT424 Chassis L9.2A

47L9.2A/78

7 Esquemas Elétricos e Guias de PlacasSchematics and PWB’s 47L9.2A 7.

NC

PROTECTION

TEMPERATURESTABILIZERVref

RES

RES

RE

S

RE

S

SpkRpOut

RES

C1-79

C1-2

Speaker Right

Speaker Left

A

B

C

D

E

F

G

H

0246 C90247 C112950 C32951 D62952 B62953 B52955 E102957 B72958 D92959 D92960 D92961 D9

SpkLpIn

SOUND AMPLIFIER

1 2 3 4 5 6 7 8 9 10 11 12

1 2 3 4 5 6 7 8 9 10 11 12

C1-3

SpkLpOut

*ITV

RE

S

2962 C62963 C52964 A82965 A83950 D43951 C33953 D53954 A83955 A83961 B33962 B33963 C34905 C84906 C86953 C46954 D37954 B67956 D59958 E10

-

-

Jumper

-

-

-

-

-

C1-80

2922

AMPLIFIC. DE ÁUDIO

2882

3869

3868

2884

2883

-

-

-

-

-

HEF4052BT

AV No AV

-

-

-

RE

S

C1-17

RE

S

C1-49

RES

RE

S

0R

Yes

4905

4906

Yes

-

-

-

Yes100nF

82nF

10nF

33nF

100nF

82nF

10nF

470R

-

-

Yes

Yes

-

Headphone No Headphone

0247

5K6

1K8

1K8

12K

220R

BC847B

BC847B

BC847B

BTSC DECODING + SOURCE SELECT + SMART SOUND

RE

S

Smart Sound

To 0234 of

RES

SpkRpIn

02461

2

3

4

3950

27K22u

2950

2959

3955

Basic Sound

2923

2924

2925

2972

2973

2974

2975

-

Jumper

-

-

-

-

-

-

3923

3924

3925

3926

3927

3928

3929

3973

4861

4862

7862

1uF

1uF

100nF

3K3

3K3

3974

3975

3976

3977

3978

3979

7922

7923

7952

7955

33nF

6K8

5K6

1K8

1K8

12K

220R

470R

6K8

BC847B

-

-

-

-

-

-

-

BZX79-C3V3

6953

MainAudioGnd

10u

2951

220n

2963

A19

2958

3951

A18

2n2

2962

9958

2952

2n2

3954

AudioSupplyGnd

2961

2

3

4

5

2960

02471

2953

220n

BC857B7956

3963

2964

6954

3962

3K3

3953

4906

A17

3961

2957

220n

6

1 3 11 15

5VP A16

TDA7053A7954

10

12

13

14

16

7

9

2

8

4

4905

2965

AudioSupply10V|14V

Buzzer

MainAudioR

AudioR

AudioL|Mono

MainAudioL|Mono

+9V

Volume

A19 L-

0.2V / div AC0.5ms / div

0.2V / div AC0.5ms / div

A16 R+

A17 R-

A18 L+

0.2V / div AC0.2ms / div

0.2V / div AC0.2ms/div

CL 96532047_011.eps260599

Page 14: 14PT314A_20PT326_20PT424 Chassis L9.2A

49L9.2A/78

7 Esquemas Elétricos e Guias de Placas

Page 15: 14PT314A_20PT326_20PT424 Chassis L9.2A

50 L9.2A/78

Schematics and PWB’s 50L9.2A 7.

NC

PROTECTION

TEMPERATURESTABILIZERVref

6 7 8

2V4

To 0234 of

D1-78

-Yes0247

HEADPHONE

No HeadphoneHeadphone

-

H

RE

S

To Surround_Sound Panel

G

H

0104 A40246 B100247 B112950 E32951 E52952 C42953 B42954 A72955 D102956 E52957 C72958 C92959 C92960 C9

-

- - -

Jumper Jumper

Jumper Jumper Jumper

Jumper Jumper Jumper

- -

- - -

Jumper Jumper

MSP3435G MSP3415D BSP3505D

- - -

- - 220n

*

1 2 3

For /94 only

654

Jumper Jumper

Jumper

Jumper Jumper Jumper

BSP3505D

- -

- -

Jumper Jumper

4 5 6 7 8 9 10 11 12

1 2 3 4 5 6

D1-2

5

8V5

8V5

0V7

2V4

G

F

7 8 9 10 11 12

A

B

C

D

E

F

9

12

1

For Engineering Purposes (AI) only

2961 C92962 C42963 C42964 E62965 A72966 A73950 E33953 E53961 C33962 C33963 C34988 E94990 D106953 E47953 B67954 C67956 E49950 B99952 B99958 D10

9950

9952

- Jumper

- Jumper

SOUND AMPLIFIER

RE

S

11 12

D

E

2x3W2x1W

3 4

RE

S

100n-2954

AMPLIF. AUDIO ITT

2957

7953

7954

9958

2965

220n -

-

RE

S

A

B

C

RE

S

0V7

RE

S

2 3

9804

MSP3415D MSP3415D

Jumper Jumper -

Jumper

- -

7803

9801

9802

9803

220n

TDA7053A -

- TDA7057AQ

Jumper

MSP/BSP SOUNDDIVERSITY TABLE

1

10

8 9

8V5

8V5

Speaker Left

Speaker Right

RES

RE

S

RE

S

10

D1-3

7

D1-49

2

11

RE

S

11 15

VP

5

2957

220n

4

5

4988

2961

220n

295339

62

-

- -

Jumper Jumper

Jumper

4803

4804

4805

4806

5801

4801

5k6 4k7 -

Jumper Jumper Jumper

Jumper

Jumper Jumper -

- - Jumper

- - Jumper

MSP3435G MSP3415D

- -

15u 15u 22u

- - -

47p 47p 47p

Yes -

- -

- -

220n

1n 1n

4u7

Jumper

Jumper Jumper Jumper

22u 15u 15u

- -

- -

- -

Side AV No Side AV Side AV No Side AV

3899

4802

- - -

10u 10u 4u7

100p 100p 47p

100p 100p 47p

-

Jumper Jumper

Jumper -

Jumper - -

- - Jumper

- - Jumper

4u7 4u7 4u7

47p 47p 47p

SOUND SYSTEM

0248

2804

2811

2812

2827

2837

2838

2801

Yes - Yes

22p

4u7

47p 47p

47p 47p

EUROPE-NICAM/2CS NAFTA/LATAM-BTSC AP-NICAM/2CS/Multi-Mono AP-RF-Mono/AV-Stereo

Side AV No Side AV Side AV No Side AV

OUT2M8

OUT2P

12 96

4

VP

22p 22p

22p 22p 22p

- -

Yes -

22p 22p 22p

22p 22p 22p

- -

- - -

TDA7057AQ

7953

1DCVOL1

7DCVOL2

3IN1

5IN2

2

11OUT1M

13OUT1P

10

BC857B7956

2962

3n3

2960

1

2

3

49950

0246

2966

3961

0104

1

2

3

2964

2955

470u

9952

4990

3n3

2952

10

12

13

14

16

7

9

2

8

4

6

1 3

3950

27K

7954TDA7053A

2956

3953

3K3

A26

A27 A28

2951 10

u

A25

9958

MainAudioGndAudioSupplyGnd

2954

100n

2958

3963

2965

220n

6953

BZX79-C3V3

3

4

5

22u

2950

02471

2

2963

220n

2959

AudioSupply10V|14VA

VlotAux8V

Buzzer

MainAudioR

SpkrLpOut

AudioSupply10V|14VA AudioSupply10V|14VA

MainAudioL|Mono

AudioSupply10V|14VA

SpkrRpIn

SpkrLpIn

SpkrRpOut

Volume

CL 96532047_012.eps260599

2 x 1W SOUND AMPLIFIER

2 x 3W SOUND AMPLIFIER

A28 R-

0.2V / div AC0.5ms / div

0.2V / div AC0.5ms / div

A25 L+

A27 R+

A26 L-

0.2V / div AC0.2ms / div

0.2V / div AC0.2ms/div

7 Esquemas Elétricos e Guias de Placas

Page 16: 14PT314A_20PT326_20PT424 Chassis L9.2A

51L9.2A/78

7 Esquemas Elétricos e Guias de PlacasSchematics and PWB’s 51L9.2A 7.

OF

TO

0260

CHASSIS

TO (Small Screen)

For Chassis with Rear Cinch

CHASSIS

MAIN

FROM

AV LATERAL

# For 25" and above

0227

(Small Screen)

A

B

C

D

E

F

A

B

C

D

E

F

0250-A C20250-B D2

0250-C B20251 B5

0252 B20253 A5

0261 D5

9152

SOUND

(Small Screen)

OR

(Large Screen)

(Large Screen)

47K

*

*

*

* *

#

1 2 3 4 5

1 2 3 4 5

#

#

0260

0227

0252 For Chassis with Rear Scart

TO

For Chassis with Rear Scart

1K

47K

1K

*

0251

0261

9153

(FOR ESD)

(Large Screen)

1152 A31153 D31154 C3

2171 D42172 C4

2173 C32174 D3

3150 D43151 C3

3152 C43153 B3

3155 A45010 C4

6161 A39152 C3

PANEL0248

9153 B39155 C4

* For 21" and below

0229

For mono set w/out front cinch

OR

0262

CHASSIS

OR

3151

3152

3153

3150

CHASSISTO (Large Screen)

For stereo set w/out front cinch

BZX79-C6V8

RE

SR

ES

RE

S

#

6161

3

Ext1AudioL|Mono

Ext1AudioR

02531

2

3

2174

1152

9152

8

9

330p

2172

0250-C

02521

2

3

4

330p

2171

8K2

31530251

1

2

9153

2173

75R

3155

1

2

3

1153

3151

8K2

3150

10K

0250-A7

0250-B4

5

6

10K

3152

9155

02611

2

3

4

5

6

1154

6161

BZ

X79

-C6V

8

5010

SIDE-TOP.EPS030399

CL 96532028_052.eps070499