Sanyo C21LB25S Manual de usuario

SERVICE MANUAL Colour Television

Product Code: 1 113 549 04 (C21LB25S)

1 113 550 04 (C29LK35)

Original Version

Chassis Series: LA4-A

C4BE/C4BES/C4CE

FILE NO.

Model No. C21LB25S

C29LK35

Service Ref. No. C21LB25S-00

C21LB25S-01

C29LK35-00

(Argentina)

Give complete “SERVICE REF. NO.” for parts

order or servicing. It is shown on the rating

plate at the cabinet back of the unit.

This T.V. receiver will not work properly in

foreign countries where the television trans-

mission system and power source differ from

the design specifications.Refer to the specifi-

cation table.

VIDEO

MODE AUDIO

MODE

POWER

▲CH▼

+VOL

RECALL

MENU IMAGE

SLEEP

DISPLAY

MUTE

FXMR

VOL-

Specifications

Power Source . . . . . . . . .AC110V-240V, 50Hz / 60Hz

Receiving System . . . . . .PAL (M/M, N/N), NTSC (M/M)

Channel Coverage

Antenna mode VHF: CH02-CH13, UHF: CH14-CH69

CATV mode VHF band: CH01-CH13, Mid band: CH14-CH22

Super band: CH23-CH36, Hyper band: CH37-CH64

Ultra band: CH65-CH94 and CH100-CH125

Low mid band: CH95-CH99

Video IF . . . . . . . . . . . . .45.75MHz

Aerial Input Impedance . .75Ω

Ext.Terminals

Video inputs: Phono jack ✕2 (1Vp - p, 75Ω)

Audio inputs: Phono jack (R/L) ✕2 (436mVrms, more than 40KΩ)

Headphone Jack: Mini stereo jack ✕1

Sound Output (RMS) . . . .3W + 3W

Speakers . . . . . . . . . . .5cm x 9cm x 2

Dimensions . . . . . . . . .C21LB25S: 606(W) ✕479(H) ✕483(D)mm

C29LK35: 656(W) ✕600(H) ✕496(D)mm

Weight . . . . . . . . . . . . .C21LB25S: approx. 21.0 Kg

C29LK35: approx. 32.0 Kg

Specifications subject to change without notice.

MENU ▼ CH ▲

VOLUME

VIDEO

L-AUDIO-R

MENU ▼ CH ▲

VOLUME

VIDEO

L-AUDIO-R

REFERENCE NO. SM5110159

-8-

Service Adjustments with Replacing Memory IC(IC802)

RECALL

Note:The CPU (IC801) and memory IC (IC802) store the service adjustments data and controls data for each circuit.

When the Memory IC(IC802) is replaced, some of the service adjustments should be readjusted to obtain the

best performance. The necessary service adjustments are carried out by using the RC handset. Please set

up the TV set with following steps [1] to [4].

[1] Initializing Procedure

1. Put a new memory IC.

2.Turn on the TV set.

3. Press and hold the MENU button on the TV set, then press 0 button on the remote control transmitter.

The following picture appears on the screen.

This completes the initialization of memory IC.

Following shows the initialized contents of memory data by this procedure.

1.TV/AV mode :TV mode

2. Antenna or cable setting : Antenna

3. Colour system : AUTO

4. Channel Memory : Clear

5. Receiving Channel : Ch02

6. Sound Volume : 11/63 steps

7. Color : 30/63 steps

8. Contrast : 63/63 steps

9. Brightness : 32/63 steps

10. Sharpness : 31/63 steps

11.Tint : 31/63 steps

12. Language : Spanish

13. Password : Clear

14. Channel Block : Clear

15. Sleep Timer : Clear

16. Clock, ON/OFF Timer : Clear

17. Picture Mode : MANUAL

18. Stereo/Mono Setting : Stereo

19. Bass : 31/63 steps

20.Treble : 31/63 steps

21. Balance : 31/63 steps

22.Video status (Picture mode data)

Item NORMAL STRONG SOFT MANUAL

Colour 28 34 22 28

Contrast 63 63 63 63

Brightness 35 15 40 35

-9-

Service Adjustments with Replacing Memory IC(IC802)

Readjust the following service adjustments.

Adjustments Service Mode No. & Item

Horizontal centre adjustment Item 01, H-P

Vertical centre adjustment Item 02, V-P

Vertical size adjustment Item 03, V-S

OSD position adjustment Item 04, OSD

RF AGC adjustment Item 05, AGC

AFT adjustment Item 06, VCO

Grey scale adjustment Item 18-24

Further adjustment please refer to page 11 and 12.

No. Item Initial value Range Description

01 H-P 08 00~15 Horizontal centre adjustment

02 V-P 04 00~07 Vertical centre adjustment

03 V-S 64 00~127 Vertical size adjustment

04 OSD 20 01~63 OSD position adjustment

05 AGC 64 00~127 RF AGC adjustment

06 VCO 128 00~255 VCO (AFT) adjustment

07 SIF 00 00 SIF VCO adjustment

08 SELF 00 00~15 SELF-adjusting

09 DLT 02 00~03 DL-time adjustment

10 DL F 00 00, 01 DL-fine adjustment

11 B

ST 00 00, 01 Black stretch on/off setting

12 ABCL 01 00, 01 ABCL adjustment

13 AB-G 00 00, 01 ABCL gain adjustment

14 TRAP 03 00~03 Trap frequency adjustment

15 WBK 00 00, 01 White back setting

16 BBK 00 00, 01 Blue back setting

17 AFCG 02 00~02 AFC gain adjustment

18 RBI 00 00~255 Red bias adjustment

19 GBI 00 00~255 Green bias adjustment

20 BBI 00 00~255 Blue bias adjustment

21 RD 64 00~127 Red drive adjustment

22 BD 64 00~127 Blue drive adjustment

23 DRV -- -- White balance adjustment

24 -- -- -- Y-cut setting

25 OPT1 -- -- Option

26 OPT2 -- -- Option

27 CCD 20 01~255 Closed Caption position adjustment

Service mode adjustments table in CPU ROM

Grey scale adjustment

Notes:

The initial value that the CPU writes down the CPU ROM data to the memory when replaced the memory IC.TV set

may not operate correctly with this initial value. It is required to set up the fine adjustment for service adjustments

described below.

[2] Service Adjustments-1

Following table shows the initial values which have been stored in the CPU ROM, and items for the service

adjustments.

00010011 00100100

23 DRV R 64 B 64

-10-

Service Adjustments with Replacing Memory IC(IC802)

[Entering to Service Mode]

1. Press and hold the MENU button on the TV set and press the 2 button on the remote control handset. Following

setting items appears on the screen.

Display for [H-P] Horizontal centre adjustment

00010011 00100100

01 H-P 08

Read Status

Item No. Item Data value

Data value for Red

Display for [DRV] White balance adjustment

Read Status

Item No. Item

Data value for Blue

To return to normal TV mode, press the MENU button on the TV set or remote control handset.

2. Select item by pressing the CHANNEL DOWN (Item No. UP) or CHANNEL UP (Item No. DOWN) button on the

remote control handset.

3. Adjust data value by pressing the VOLUME + or VOLUME

button on the remote control handset.

Example

123

▲CH▼

DISPLAY

MUTE

▲CH▼

+VOL

MENU IMAGE

VOL-

01➔02➔03➔04➔05......27

27➔26➔25➔24➔23......01

▲CH▼

+VOL

DISPLAY

MUTE

VOL-

Read Status of

STEREO IC

-11-

Service Adjustments with Replacing Memory IC(IC802)

(1)Receive the monochrome circular pattern.

(2)Set the brightness and contrast to normal.

(3) Select [H-P] in the service mode.

(4)Change value to be optimum horizontal centre position.

(5)Exit from the service mode.

(1)Receive the monochrome circular pattern.

(2)Set the brightness and contrast to maximum.

(3) Select [V-P] in the service mode.

(4)Change value to be optimum vertical centre position.

(5)Exit from the service mode.

(1)Receive the monochrome circular pattern.

(2)Set the brightness and contrast to maximum.

(3) Select [V-S] in the service mode.

(4)Change value to be optimum vertical size.

(5)Exit from the service mode.

(1)Receive the monochrome circular pattern.

(2)Set the brightness and contrast to normal.

(3) Select [OSD] in the service mode.

(4)Change value to be proper OSD position.

(5)Exit from the service mode.

NOTE: Do not attempt this adjustment with weak signal.

(1)Tune the receiver to most clearest (or strongest) VHF

station in your area. Set the brightness and contrast

controls to maximum. Set the colour control to mini-

mum.

(2)Select [AGC] in the service mode.

(3)Change value until the snow noise just disappears.

(4)Exit from the service mode.

(1) Connect DC meter to TP-D and the ground.

(2) Tune the receiver to the clearest station.

(3) Disconnect RF input. (Disconnect antenna plug from

the antenna socket.)

(4)Select same channel. (If you have selected channel 03

in step 2, press “0” button next “3” button on the

remote control to select channel 03.)

(5)Connect antenna plug to the antenna socket.

(6)Select [VCO] in the service mode.

(7) Change value until the voltage (on TP-D) to be

4.5±0.2V at OK point.

(8) Exit from the service mode.

(1) Switch on the TV.

(2) Select [AFCG] in service mode.

(3) Change data value to “01”.

(4) Exit from the service mode.

±Item 17 [AFCG] AFC GAIN

NG OK

4.5V ±0.2V

0255

VCO DATA

TP-D VOLTAGE

Item 06 [VCO] AFT

Item 05 [AGC] AGC

Item 04 [OSD] OSD POSITION

Item 03 [V-S] VERTICAL SIZE

Item 02 [V-P] VERTICAL CENTRE

Item 01 [H-P] HORIZONTAL CENTRE

IC201

IF /VIDEO/CHROMA/DEF.

IC802

MEMORY

MAIN BOARD

TP-D (J146)

Horizontal centre

Vertical centre

Vertical size

VIDEO

MODE AUDIO

MODE

POWER

▲CH▼

+VOL

RECALL

MENU IMAGE

SLEEP

DISPLAY

MUTE

VOL-

-12-

(1)Receive the monochrome circular pattern.

(2)Set the brightness and colour to normal, contrast to maximum.

(3)Enter to the service mode.

(4)Set each value of Item-18 RBI, 19 GBI, 20 BBI mode to 00. Set each value of Item-21 RD, 22 BD mode to 64.

(5)Select Item-24 mode to be one horizontal scanning line and turn the screen volume on the FBT to obtain just visible

one coloured line.

(6)Press the 1 (Red Bias +), 4 (Red Bias

), 2 (Green Bias +), 5 (Green Bias

), 3 (Blue Bias +) or 6 (Blue Bias

)

button to adjust the brightness of each colour until a dim white line produced. Please see the control button alloca-

tions in this mode.

(7)Select Item-23 DRV mode to enter the white balance adjusting mode.

(8)Press the 7 (Red Drive +), RECALL (Red Drive

), 8 (Blue Drive +) or 0 (Blue Drive

) button

alternately to produce normal black and white picture.

(9)Exit from the service mode.

(10) Check for proper grey scale tracking at all brightness levels.

NOTE: If the grey scale adjustment is made after picture tube replacement, check the high voltage.

Items 18-24 GREY SCALE

Service Adjustments with Replacing Memory IC(IC802)

Red Bias

Red Bias +

Green Bias

Blue Bias +

Red Drive +

Blue Drive

Blue Drive +

Green Bias +

Blue Bias

Press the MENU

button to exit from

service mode

Red Drive

T401

FBT

MAIN BOARD

SCREEN VR

(Under side)

F.B.T.

-18-

TUNER

UNIT

IC501

VERT. DEF.

Q432

HORIZ. OUT

T401

FBT

Service Adjustments

MAIN BOARD

Following adjustments are not required to readjust when replacing the memory IC.

(1)Receive the monochrome circular pattern.

(2)Set the brightness and contrast to maximum.

(3)If the picture is too wide, or narrow, cut or short the “AJ1” on the main unit.When AJ1 is shorted, the horizontal width

increase.When AJ1 is cut, the horizontal width decrease.

Important note: If the AJ1 is cut, it’s gap must be more than 5mm to prevent sparks.

HORIZ.WIDTH AND HIGH VOLTAGE CHECK

(1)Receive the monochrome circular pattern.

(2)Set the brightness to normal and contrast to maximum.

(3)Adjust the focus control on the F.B.T. for the best focus on the screen centre.

FOCUS ADJUSTMENT

F.B.T.

AJ1

(4)Connect a high voltage probe to anode lead of the picture tube.

(5)The high voltage must be 14”=21KV ± 1KV / 20”,21”=25KV ± 1KV /29”=26.5KV ± 1KV and less than

14”=25KV / 20”,21”=27.5KV / 29”=29.5KV at 0 beam current (Brightness and contrast minimum setting).

Note: If the picture tube is replaced, check the high voltage.The horiz. width adjustment affects the high voltage.

Therefore, re-check the high voltage.

FOCUS VR

(Upper side)

more than 5mm

AJ1

This TV set has a built-in power supply protection circuit.

It is provided to protect the TV set in case of a power supply circuit malfunctions. When something abnormality

occurs during TV reception, the TV set goes to the stand-by mode.

When an abnormality occurs during TV reception, it causes pin 33 of the CPU to go continually Low(less than

0.75V) for about one second. The CPU detects that this has occurred and outputs the signal from pin 8 to

switch off the power supply lines.

Releasing the protective circuit and restoring power supply

To release the protective circuit and restore power supply, turn the power to theTV set OFF and then ON again

via either the main power switch or the ON-OFF button on the remote control.This will work only if the power

supply trouble was temporary. If there is permanent trouble such as a damaged circuit, power cannot be

restored and the circuit will have to be repaired.

■Protection Circuit

A14800 /Nov. /’00 /150 SI NEWSAN S. A. Una empresa del grupo SANYO Electric Co.

Printed in Japan

ASSY,PWB,MAIN F5AF

1AA0B10E5280A

Q901

W901

L901

SP901

SP902

Q141

R144

R151C151

X151

R142

R143

L141

X141

C101

R101

R102 C102

R103

R104

IC802

R887

R888

R886

R1912

Q171

R171

R172

Q887

R1001

R1007 R1006

R1908

R1907

R1906

R1905

R1904

R1903

R1902

R1901

D1901

D1910

D106

Q886

R1106

R1108

R1913

R1911

K1111

R1910

SW1901

SW1902

SW1903

SW1904

SW1905

KDY-1

KDY-3

KDY-4

KDY-5

L151

C152

C112

R116

C113

R113

R114

Q111

R111

R112

C111

R146

R147

R1109

C3434

C3436

D103

D351

C212

C359

C206

C207

R356

C136

R351

R133

C138

C351

C137

Q140

C357

R382

R141

D381

R381

R271

R281

X212

R221

R134

L201

C201

R862

R863

D861

C861

R861

R851

R857

R855

R853

C851 R852

Q861

R858

R856

R854

C855

C854

C853

C852

IC801

CPU

R3421

R3422

R3406

IC3401

MTS DECODER

C3411

C3401

C3402

C3403

C3404

C3407

C3408

C3409

R3402

C3410

C3412

R3403

R3404 C3413

C3414

R3407 C3416

C3417

R3408

C3418

C3419

C3439

C3429

C3428

C3424

C3426

C3423

C3431

C3427

C3406

R3401

C3400

R3405

C3440

R3440

C103

R262

D461

R462

R461

C892

R892

R891

C891

X801

C801

C802

IC201

IF/VIDEO/CHROMA

X211

C211

X213

Q213

Q212

R213

R212

R222

IC631

C223

C222

C221

R357

C354

X351

L231

L232

L233

C106

R109

R108

R364

C361

R361

R362

C246

R246

C248

R248

C372

R373

R371

Q261

R261

C371

R372

R170

R140

R214

R215

R008

C008

D008

R009

D009

K1101

R1101

R1102

C007

C009R014

Q001

C005

C006

R007

R005

C011

C012

C010

R015

C002

C004

C003

R006

IC001-H1

IC001-H2

JS018

JS017

R002

R004

R001

R003

C001

Q576

R578

C576

R577

D571

R571

R576

R504

R503

C501

IC501

D501 C505

C503

R508

R506

R507

R501

L501

R505

C506

C504C502

IC501H2

C513

R502

L521

IC501H1

D572

R216

R217

C281

R132

C132

R173

L111

C247

R231

R232

R233

R223

X131

C191

IC191

L101

C202

C352

Q871

R871

R383

Q881

R881

R883

C881

C216

R263

C173

C171

C174

C177 R177

IC001

IC651

Q661

KE-2

KE-1

KAC-1

KAC-2

SW601-H4 SW601-H1SW601-H3 SW601-H2

SW601

T611-H17

F601-A1

F601-A2

T611-H5

L634

L635

L633

L631

D635

D631

R681

Q681

R689

C686

C607-H1

C607-H2

T611-H2

T611-H8

T611-H11

R642

R643

R602

C613

R688

D610

C633

C635

C608

C661

D661

R661

C651

Q684

R683

R684

D681

Q682

R687

Q683

R686

C634

D605D603

D604

D606

L601

R601

R618

C607

D616

D615

D614

C611

C631

D633

C601

R619

Q611

C606

C605

C604

C603

R620

D613

D611

R617

R612

R613

R622 C616

R611

R621 C614

C615

C609

R609

R608

C612

R615

C645

R644

C644

C643

C641

C662

R662

C894

R894

C893 R893

R882

R106 R107

R831

R832

R839

R840

C444

L444

R444

L431

R481

T401-H7

T401-H6

T401-H4

T401-H11

T401-H10

T401-H5

T401-H2

T401-H1

C492

C436

C491

D491

R491

D445

R447 C445

D447

R448

R455

D451

R451

T431

Q432-H3

Q432-H2

Q432-H1

Q432-H7

Q432-H6

C431

R432

Q431

C432

C433

R433

R434 C434

L432

C441

Q432 C437

R435

C435

R453

R452

R454

R815

R813

R809

R807

R834 R836 R837 R838

C812

C811

L811

R385

D385

D383

JS291

JS292

JS293

JS294

IC611

L611

L612

L613

R616

R614

C617

D612

R685

R682

C682

R272

JS212

D350

T611

A101

R602H1

R602H4

IC611H1

IC611H2IC611H3IC611H4

IC611H5

L171

C803

JS010

R623

JS1902

A1901

D634

D446

AJ1

R435H1

R435H3

R1021

R1022

Q1021

R1023

C1021

JS001

C451

JS1001

R835

C420

R511

R513

C511

C241

JS1111

C435H1

C435H2

C441H2

C441H1

C512

JS801

D191

F601

R509

R811

Q691 R692

D691 R691

RL601

PS602 T401

KSC

Q432-H8

Q432-H9

IC501H3

IC501H4

K1001

C442

L445

L445H1

L445H2

R145

C142

C355

R841

R842

C804

C015

R010

D618

C618

R384

C381

R514

C356

C243

IC611H6

IC611H9

IC611H8

IC611H7

C683 D682

R516

C516

C610

C832

D441

L136

L140

L206

R174

R870

R878

C878

R879

R868

C866

R531

D531

R532

R533

Q531

R534 C531

C532

R358

R380

R801

R430

C435H4

C435H3

C602

JS802

JS612

R602H5

R602H6

L444H2

L444H1

C385

C646TM

D384

J506TM

Q721

R724

Q711

R714

R715

Q701

R705

R732

K701

C731

K7D

K7M

R704

K7A

K7B

C732

L701

R703

R713

R723

R702

R701C701

C711

R711

R712

R722 R721

C721

R741

Q741

R742

R744

L705 D742

D741

C741

R725

C700 L700

R753

C751

D751

R752

R751

D754

D753

D752

Q751

JS741

C710

ASSY,PWB,CRT F5AF

1AA0B10E5280B

TUNER

AUDIO

AMP.

A68ADT25X473

<RCA>

W10B06900

L81B11400

CRT COMPONENT

VS003PEB

AJ 1/10GJ

390

1/10GJ

330

CJ47

F31B0180N:

F31B0460N

1/10GJ

150

L2B9

120KN

F32B0190N:

B4F32B0020N

16EM

470

J 6.3EM

1SJ39K

24LC04B/P

1/10GJ

22K

1/10GJ

220

1/10GJ

22K

1/10GJ

470

1/10GJ

10K

1/10GJ

6.8K

1/10GJ

100K 1/10GJ1K

1/10GJ

10K

1/10GJ

270

2.2K

1/10GJ

2.7K

1/10GJ

4.7K

1/10GJ

6.8K

1/10GJ

18K

SPR-39MVWF:

SLP-581D51

J11NA050N

1/10GJ

470

1/10GJ

470

J31B01000

S10B3670J

J30B0250NJ30B0250NJ30B0250NJ30B0250N

L2B9150KN

CJ47CA

0.01FA

1/10GJ

0.01FA

1/10GJ

100

1/10GJ

220

2SC2216

1/10GJ

5.6K

0.01FA

1/10GZ

0.0

1/10GJ

2.2K

100K

25EM

4.7

25EM

4.7

RD36EB1:

MTZJ36A

RD9.1EB2:

MTZJ9.1B

1/10GZ

0.0

KK0.01BA

16EM

470

KZ0.01FA

1/10GJ

4.7K

16EM

2SJ

330

1/10GJ

56K

EM0.22

16EM

330

KZ0.01

KK0.01

DJ5.6K

220

RD5.6EB3:

MTZJ5.6C

DJ10K

100

1/10GJ

470K

V10B01600

1/10GJ

120K

L2C1

470KN

16EM

1/10GJ

10K

1/10GJ

10K

RD4.3EB2:

MTZJ4.3B

EM1

1/10GJ

330

1/10GJ

3.9K

1/10GJ

5.6K

1/10GJ

5.6K

1/10GJ

5.6K

CJ33

CA 1/10GJ

3.9K

CJ33

QXXAVB338

100

1/6NF

16.5K

UPC1851BCU

EM0.1

16EM

0.1FA

EM3.3

EM2.2

KZ0.047

0.47

1/10GJ

68K

KZ0.1FA

10TK

3.3AD

1/10GJ

1.5K

1/10GJ

1.5K

EM1

10TK

10AD

1/10GJ

3.3K

EM1

1/10GJ

1.8K

EM4.7

EM1

KK2200

EM2.2

KK2200

KK0.022

KZ0.1FA

25PM

4.7K

1/10GJ

KZ0.1

1/10GJ

100

KK6800

1/10GJ

1.5K

4.7

220

5.6K

DJ180K

EM1

1/10GJ

220

KK1000

V10B0

(560N:

570N)

CJ15CA

CJ27CA

QXXAVB488M

EX0017XC

<NTSC>

1/10GZ

0.0

EX0079XC

1/10GJ

56K

1/10GJ

56K

1/10GJ

SE130NH

KZ0.1

1/10GJ

560K

KK0.022

V11B

1030N

220

EM4.7

1/10GJ

22K

27K

1/10GJ

22K

HJ1

(G:H)

1/10GJ

EM1

1/10GJ

3.3K

0.01FA

1/10GJ

3.9M

EM1

1/10GJ

560K

1/10GJ

3.3K

KK680

1/10GJ

560

1/10GJ

10K

1/10GJ

4.7K

1/10GJ

15K

1/10GJ

15K

1/10GJ

330

KZ0.1FA

1SS133

1/10GJ

2.2K

MTZJ7.5A:

RD7.5EB1

J12B05400:

J12B04900

1/2DJ

150

1/2DJ

150

25EM

2200

EM4.7

16EM

100

25EM1000

25EM

1000

KK560

EM1

33K

1/10GJ

820

1/10GJ

820

1/10GJ

12K

1/10GJ

12K

J10EA030N

EM1

16EM

1/10GJ

820

MTZJ20B:

RD20EB2

1/10GJ

4.7K

35EM

470

LA7841

EM01Z:

ED0448:

ERA15-02 X

CJ39C

680

39K

18K

330

2.7K

KZ0.01FA

35EM

220

EM4.7

L2C2330KN

1/10GJ

47K

1/10GJ

33K

EM2.2

68K

0.01FA

1/10GZ

0.0

KK0.015

1/10GJ

2.2K

1/10GJ

2.2K

1/10GJ

2.2K

1/10GJ

SF5221P

10EM47

BA178M05T:

MC78M05CT:

UPC78M05AHF

KZ0.01

1/10GJ

10K

4.7K

1/10GJ

10K

1/10GJ

33K

EM1

220

CJ15CA

EM0.22

EM0.33 X

LA4600

BA178M05T:

MC78M05CT:

UPC78M05AHF

2SD1913

(RRA:SRA)

J30B0250N

S10B2490N

J20B00100

ZZ0122

RU3M

RU3AM

1/10GJ

1.8K

1/10GJ

560K

16EM

DJ10K

ZZ0008

15WK

1.8VE

2000

KK330

(NH:

CTB)

1/10GJ

22K

PC123F2:

PC817(C:D)

1000KK1000

(CRD:CTB:NH)

250KK470XH:

250KM470XN

16EM

220

RD10EB2:

MTZJ10B

1SJ120

10EM330

1/10GJ

4.7K

1/10GJ

10K

RD6.8EB3:

MTZJ6.8C

DJ3.9K

2SB985(S:T):

2SA1707(S:T)

DJ10K

RM11C:

ERC05-10B

RM11C:

ERC05-10B

RM11C:

ERC05-10B

RM11C:

ERC05-10B

LQ0001:

F35B0470N

1/2DJ

220K

400EM

270XM

1SS

133

RD15EB2:

MTZJ15B

400NJ

0.022EAQ

1000KK

820CTB

RU3M

250GM

0.068X

(F:BJ)

1.5K

XXXX

1.5K

ERA91-02

EG01C

10K

1/2DJ

2SJ

0.27 FJ470

(BE:D

:BF)

2SJ68K

680P FJ470

(BE:D

:BF)

FJ1000

(BE:D

:BF) 250KK470XH:

250KM470XN

1/2CK

5.6MXG

1/2CK

5.6MXG

2000

KK330

(NH:

CTB)

2SJ68K

25EM

2200

25EM

1000T

35EM1000T

160EM

220XJ

16EM

330

2SJ6.8

KK0.033

1/10GJ

100

EM2.2 1/10GJ

1/10GJ

100 1/10GJ

100

1/10GJ10K

1/10GZ0.0

1/10GJ

100

1/10GJ

100

L71B

0170N

1SJ1K

L3004

2SJ1.5

100EM

3000KK820

(NH:CTB)

J11NA

030N

500KK

680A

ERA18-04:

ES1:

RMPG06G

1/2DJ

2.2B

3.9K EM10

1/2DJ470

DJ100K

DJ82K

B4L18

B0020N

1/10GZ

0.0

2SC3332

(R:S)

500KK

1000A

500KK

3900A

1/2DJ

1SJ56 35EM

L3004

200NJ

0.24EAQ

2SD1880YB HJ0.47

7WK6.8

(V:I)

1500MH

0.014

DJ4.7K

10K

1/10GJ

10K

1/10GJ

10K 1/10GJ

4.7K

1/10GJ

4.7K

J10EA050N

16EM

KZ0.01

10K

JJJ

QXXAVB326

<F6656>

ZZ0122

ZZ0008

0122

DJ10

3.3K

35EM

100T

EU2

(:Z)

DJ1K

FK0.1

(D:BE

:BF)

1/10GJ

100

B4L51B0080N

F1BAM0211:

F1BAM0231

L14B

1420N

KZ0.01

2SJ

0.27

U20B20100

RU3M

MTZJ5.1B:

RD5.1EB2

1/10GJ

47K

1/10GJ

56K

1/10GJ

1.2K

EM1

100PM

2.2X

1/10GJ

10K

1SJ

150

100GK

0.15P

:100HJ

0.15H

PM0.1E

1000CD

J30B0250N

1/10GZ

0.0 P

4A250V

1SJ1.2

AH 1/10GJ

1.5K

P 1SJ330

S20B00100:

S20B0170N:

S20B0171N:

S20B0230N

EV0038 L40B05700

J30B0250N

J12B05300

200NJ

0.22EAQ

AA0006

1/10GJ

470

16EM

EM0.47

1/10GJ

4.7K

1/10GJ

4.7K

KZ0.047

KZ0.1FA

3.3K

FK0.01

(BE:D:

BF)

1/10GJ

10K

1/2DJ

EM0.47

PM0.1E

16EM

100 P

1/10GJ

10K

1/10GJ

10K

1/10GJ

10K

1/10GJ

39K

EM3.3

250KK470XH:

250KM470XN

KZ0.01FA

EM01A:

ERC12

-06

L2B95

R6KN

L2B9100KN

L2B95

R6KN

1/10GJ

220K

22K

1/10GJ

5.6K

EM1

27K

1/10GJ

100K

1/10GJ

56K

1SS133

1/10GJ100K

1/10GJ

100K

1/10GJ56K KK0.0

56BA

KK0.01BA

1/10GJ560K

1/10GJ

4.7K

1/10GJ

270K

1/10

GJ1K

1000KK

100CTB

FJ0.047

(D:BE)

KZ0.01F

1SS133

KK1000

QT0229Z:

2SC2621

(DRA:ERA):

2SC2688'1'

(K:L:M)

2SJ

12K

QT0229Z:

2SC2621

(DRA:ERA):

2SC2688'1'

(K:L:M)

2SJ

12K

1/2DJ

2.7K

QT0229Z:

2SC2621

(DRA:ERA):

2SC2688'1'

(K:L:M)

1/2DJ

2.7K

DJ2.2

J11B2570N

2000KP

1000

AHE:

2000KZ

1000HE

J30B0250N

2SJ

12K

J11NA

050N

J11NA

030N

1/10GJ

470

1/10GJ

470

1/10GJ

470

1/10GJ

330

KK470

1/10GJ

330

X1/10GJ

330

KK470

BA 1/10GJ

1.2K AJ

1/10GJ

470

1/2DJ

2.7K

1/10GJ

10K

16EM

470

1SS133

1/10GJ

10K

1/10GZ

0.0

1SS1331SS1331SS133

250EM

4.7BE

AUDIO OUT

REAR

A/V IN

VIDEO IN

R/C PRE AMP.

SET-UP

CH-

CH+

VOL-

VOL+

R <POWER>

G <ON TIMER>

AUDIO IN (L)

AUDIO IN (R)

AGC

EEPROM

VDD

SCL

SDA VSS

<MUTE>

<BLK>

<B>

<G>

<R>

MUTE

OPT

SW-ON

IIC

SCL

IIC

5DA

VSS

XIN

XOUT

RES

KEY-IN

ABL-IN

AFT

S-CURVE

POWER

FAIL

REMOCON

OPT

AV2

OPT

MTS

OPT

PIP

VDD

CVIN

FILT

ADJ IN BUS

SCL

BUS

SDA

ACK

STATUS

ON-TIMER

POWER

RELAY

11.IF

6.MB

5.DATA

4.CLOCK

3.AS

1.AGC

9.TB

VCC

1/2VCC

PD1

PD2

COM IN

SDT

NDT

SOT

SOA

MOA

M-OUT L

M-OUT R

L-IN1

R-IN1

L-IN2

R-IN2

TV-L

TV-R

LBC

LTC

TLO

STI

SRB

ITI

WTI

WRB

DO1

DO2

VOA

A-GND

RTC

TRO

SUR

L-OUT

R-OUT

D-GND

SCL

SDA

RBC

TP318

TP316

TP317

7.PB

AUDIO

DIRECT

OUT

EXT

AUDIO

B-Y IN

HI VCC

SECAM REF/

SELF ADJ.

COLOR

APC

EXT

CVBS

R IN

G IN

BLACK

PEAK

SCL

BLK

IF OUTGND

IF VCO

VIDEO

VCC

V RAMP

VIF/SIF

VCC

AF DC

FB.

AFT OUT

FBP IN

SCP

R-Y IN

AUDIO

OUT

IF IN

IF VCO

AGC

FILTER

SIF IN

RF AGC

OUT

H OUT

DEF

GND X TAL

4.43

SYNC IN

Y SW OUT

2V p-p

VIDEO

GND

INT.

CVBS

IF APC

V FB

AFC 2

FILTER

H OSC

AFC 1

FILTER

SDA

B IN

H VCC

V OUT

IDENT

FILTER

X TAL

3.58

ACL

B OUT

G OUT

R OUT

KILLER

FILTER

L IN

MUTE

R IN

L OUT

R OUT

PUMP UP

INVERT

INPUT

OUTPUT

STG VCC

VCC

INPUT

OUTPUT

GND

VERT.

DEFLECTION

50/60

X-SW

PAL-M

OPT

LANG

OPT

C-SYS

OPT

AC-ON

C603/.../C606

D603/.../D606

<R>

<G>

<B>

HORIZ

DRIVE

H-DRIVE

TRANS

HORIZ.

OUTPUT

FBT

CLOCK

DATA

EXT.VIDEO

EXT.AUDIO-L

EXT.AUDIO-R

STAND-BY:H

STAND-BY:L

STAND-BY:H

X-SW

PAL-N

TV/AV

AV1/AV2

G-OUT

R-OUT

B-OUT

TP-7B

TP-7E

Q701,Q711,Q721

D751/../D754

FRONT

AV IN

VIDEO IN

AUDIO IN (L)

AUDIO IN (R)

130V

5VRC

5VRC 25V

P.F

16V

P.F

25V

5VRC

130V

16V

25V

5VRC

P.F

130V

25V

P.F

5VRC

12V

P.F

25V

VOUT

25V

VOUT

12V

21 22

2122

2726

1234567

321

12345

275 9

-41

COLOUR TELEVISION

CHASSIS

SERIES

SERVICE

REF. NO.

LLAA

AA44

44--

--AA

PRODUCT SAFETY NOTICE:

Product safety should be considered when a

component replacement is made in any area

of a receiver.

Components indicated by a mark in this

circuit diagram show components whose

values have special significance to product

safety. It is particularly recommended that only

parts specified on the part service manual be

used for components replacement pointed out

by the mark.

CIRCUIT DIAGRAM NOTICE:

1. All resistance value are in ohms, K=1,000, M=1,000,000.

2. All resistance rated wattages are 1/6W unless otherwise noted.

3. Excepting electrolytic capacitors, all capacitance values of less than 1

are expressed in µ F and more than 1 are pF.

4. All capacitance rated voltages are 50V unless otherwise noted.

5. All inductance values are in µ H.

6.Voltage readings take with a "VTVM" are from point indicated chassis

ground.Voltage readings taken by using PAL colour bar signal are

with all controls at normal position. Some voltage may vary with signal

strength.

7.Waveform were taken with PAL colour bar and controls adjusted for

normal picture. Waveforms were taken by using a wide band oscillo-

scope and a low capacity probe.

8.This circuit diagram covers a basic or representative chassis only.There

may be some components or partial circuit differences between the

actual chassis and the circuit diagram.

9. Parts specified with "X" are not installed in this model.

10. Parts specified with "J" are just jumper wires.

THE SERVICE PRECAUTION:

The area enclosed by this line( ) is directly connected with AC mains voltage.

When servicing the area, connect an isolating transformer between TV receiver and AC

line to eliminate hazard of electric shock.

11. Expression of capacitance and resistance in circuit diagrme.

Part No. 1AA6P2P1064 - - C4CE

TRANSISTOR, DIODE AND INTEGRATED CIRCUIT TERMINAL GUIDE

C: COLLECTOR

B: BASE

E: EMITTER

A: ANODE

K: KATHODE

BCE

FUSIBLE

RESISTOR

PARTICULAR

PARTS SYMBOL

N/2 N/2 + 1

NNON POLE

ELECTRIC

CAPACITOR

POSISTER

CHIP

COMPONENTS

TRANSISTOR

DIODE

123

RESISTOR

12 X 103=12K

12. List of replaceable transistors and diodes.

DIODE

M 1SS176, 1SS133, GMA01

P 1S1553, 1S2076A, 1S2471, 1N4148

R 1S1555, 1S2473, 1S2076, DS442, 1N4148

2SA608 2SA564A 2SA1015 2SA933 2SA933S KSA733C

Z E,F Q,R O,Y,G Q,R Q,R

Y E,F Q,R O,Y,G Q,R

W F R Y,G R

V E,F Q,R O,Y,G Q,R Y,G

U F R Y,G R G

(PNP.TR)

(DIODE)

2SC536 2SC945A 2SC1815 2SC1740 2SC1740S KSC945C

A E,F,G P,Q,R O,Y,G Q,R,S Q,R,S

B E,F,G P,Q,R O,Y,G Q,R,S

D F,G P,Q Y,G Q,R,S

F F,G P G R,S

H F,G P,Q Y,G Q,R,S Y,G

I E,F,G P,Q,R O,Y,G Q,R,S Y,G

G F,G P G R,S G

(NPN.TR)

Capacitance (Example)

1000 CM 2000 DCharacteristic

Capacitance value (220pF)

Allowable error (±20%)

Kind (Ceramic)

Rated voltage (1,000V)

J= ±5%

K= ±10%

M= ±20%

Resistance (Example)

1/2 NJ 1.2 Resistance value (1.2Ω)

Allowable error (±5%)

Kind (M.carbon)

Rated wattage (1/2W)

D: Carbon

N: Metalized carbon

S: Oxied metalized

W: Wire wounding

C: Solid

T, A, U, D:

Electrolytic

C, K, B: Ceramic

F: Mylar film

M, N: Polypropylene

Z: Metalized paper

C29LK35-00

IC201

IF /VIDEO/CHROMA/DEF.

TUNER

IC801

CPU

IC802

MEMORY

IC3401

MTS

PIP UNIT

IC501

VERT. DEF.

Q432

HORIZ. OUT

T401

FBT

IC611

SWITCHING REGULATOR

F8FE

MAIN BOARD (Component Location)

C4CE

F8FE

B-OUT

R-OUT

G-OUT

CRT BOARD (Component Location)

Waveforms & Voltages

(On the Main Board)

Q001

B 0V

C 8.1V

E 0V

Q1021

B 4.7V

C 9.2V

E 4.0V

Q111

B 1.1V

C 0.4V

E 6.2V

Q171

B 3.7V

C 9.2V

E 2.8V

Q213

B 0V

C 4.7V

E 0V

Q261

B 1.8V

C 0V

E 2.5V

Q431

B 0.4V

C 12.5V

E 0V

Q432

B 3.4V

C132.2V

E 3.5V

Q141

B 6.0V

C 0V

E 6.6V

5.0Vp-p Horiz.

2.5Vp-p Vert.

6.5Vp-p Horiz.

Q212

B 0.6V

C 0V

E 0V

1.2Vp-p Horiz.

1.4Vp-p Horiz.

1.7Vp-p Horiz.

50Vp-p Horiz.

47Vp-p Vert. 2.5Vp-p Vert.

1000Vp-p Horiz.

5.0Vp-p Horiz. 5.0Vp-p Vert.

550Vp-p

1.7Vp-p Horiz.

IC191

Pin-1 9.2V 2 0V 3 5.0V

IC201

Pin-1 0V 2 4.6V 3 0.8V 4 4.7V 5 2.7V 6 1.5V 7 1.5V 8 4.9V 9 2.4V

10 4.6V 11 0.8V 12 2.7V 13 0V 14 4.7V 15 6.2V 16 6.1V 17 4.8V 18 2.6V

19 2.4V 20 2.7V 21 4.7V 22 9.5V 23 2.6V 24 2.9V 25 5.8V 26 4.8V 27 1.0V

28 2.6V 29 2.1V 30 2.6V 31 2.5V 32 3.2V 33 3.8V 34 1.6V 35 3.0V 36 2.1V

37 0V 38 1.9V 39 3.1V 40 3.2V 41 1.4V 42 9.2V 43 2.2V 44 2.2V 45 3.4V

46 2.8V 47 2.4V 48 2.4V 49 4.0V 50 4.0V 51 3.1V 52 5,.8V

IC611

Pin-1 2.3V 2 0V 3 322V 4 18.5V 5 0V

IC501

Pin-1 0V 2 15.5V 3 26.5V 4 4.6V 5 4.6V 6 25.6V 7 3.0V

IC001

Pin-1 7.6V 2 0V 3 7.5V 4 16.0V 5 7.9V 6 10.9V 7 1.5V 8 1.4V 9 0V

10 1.4V

IC801

Pin-1 4.9V 2 4.9V 3 4.9V 4 0V 5 0 V 6 0V 7 5.0V 8 4.6V 9 0V

10 1.3V 11 2.3V 12 5V 13 0V 14 2.5V 15 1.4V 16 0.1V 17 4.9V 18 2.9V

19 2.7V 20 4.8V 21 4.0V 22 0V 23 0V 24 0V 25 0V 26 0V 27 4.9V

28 4.9V 29 4.6V 30 4.5V 31 4.8V 32 5.0V 33 5.0V 34 4.4V 35 0V 36 0V

37 4.9V 38 0V 39 0V 40 0V 41 0V 42 0V

IC802

Pin-1 0V 2 0V 3 0V 4 0V 5 5.0V 6 5.0V 7 0V 8 5.0V

Q140

B 5.8V

C 0V

E 6.4V

Q661

B 9.9V

C 10V

E 9.3V

Q681

B 0V

C 9.9V

E 0V

Q682

B 0V

C 5.3V

E 0V

Q871

B -0.1V

C 4.7V

E 0V

Q886

B 0.7V

C 0V

E 0V

Q887

B 4.9V

C -1V

E 5V

Q861

B 4.4V

C 4.9V

E 5.0V

Q881

B -6V

C 4.0V

E 0V

Q684

B 0.7V

C 0V

E 0V

5.8Vp-p 6.2Vp-p 6.2Vp-p 4.6Vp-p 5.3Vp-p 2.4Vp-p 0.9Vp-p

1.4Vp-p 1.9Vp-p 51.2Vp-p 2.5Vp-p 4.9Vp-p

30.2Vp-p

Horiz.

116.0Vp-p 920Vp-p 432.0Vp-p

IC201-pin11

<Sandcastle> IC201-pin12

<H drive> IC201-pin18

<R out> IC201-pin19

<G out> IC201-pin20

<B out> IC201-pin21

<V drive> IC201-pin36

IC201-pin39

IC201-pin38

<Y out> IC501-pin2

<V out> IC501-pin4

<V drive> IC801-pin21

<H sync> IC801-pin20

IC201-pin52

Q431-C

<H drive> Q432-C

<H out>

Q432-B

<H out> IC611-pin3

1.8Vp-p

IC631

Pin-1 130.1V 2 10.1V 3 0V IC651

Pin-1 11.7V 2 0V 3 5.0V

IC3401

Pin-1 9.4V 2 4.7V 3 4.7V 4 4.7V 5 4.7 V 6 4.7V 7 4.6V 8 4.7V 9 0V

10 4.2V 11 4.6V 12 4.5V 13 5.2V 14 4.9V 15 1.3V 16 5.2V 17 4.5V 18 4.4V

19 2.7V 20 4.7V 21 0V 22 4.1V 23 4.9V 24 0V 25 4.8V 26 4.8V 27 4.7V

28 4.7V 29 4.7V 30 4.7V 31 4.7V 32 4.7V 33 4.8V 34 4.8V 35 4.7V 36 4.6V

37 4.7V 38 4.8V 39 4.8V 40 0V 41 4.7V 42 4.5V

Q611

B 10.9V

C 11.5V

E 11.5V

Q576

B 0V

C 5V

E 0V

(On the CRT Board)

Q701

B 2.2V

C 113.3V

E 2.0V

Q711

B 2.5V

C 112.2V

E 2.0V

Q721

B 2.3V

C 117.3

E 1.9V

Q741

B 1.4V

C 0V

E 0V

Q701-B

<B drive> Q721-C

<G-out>

Q701-C

<B-out> Q711-C

<R-out> Q711-B

Q721-B

113.6Vp-p 5.2Vp-p 118.0Vp-p 4.4Vp-p 5.5Vp-p

142.0Vp-p

Q751

B 9.2V

C 0V

E 9.0V

Otros manuales para C21LB25S

Este manual sirve para los siguientes modelos

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