JVC AV-20F475 Service Manual Download Page 39

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3-12(No.YA052)

R104

NRSA63J-180X

MG RESISTOR

Ω

1/16W J

R105

NRSA63J-270X

MG RESISTOR

Ω

1/16W J

R111

NRSA63J-394X

MG RESISTOR

390k

Ω

1/16W J

R112

NRSA63J-334X

MG RESISTOR

330k

Ω

1/16W J

R113

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R115

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R116

NRSA63J-680X

MG RESISTOR

Ω

1/16W J

R117

NRSA63J-273X

MG RESISTOR

27k

Ω

1/16W J

R121

NRSA63J-273X

MG RESISTOR

27k

Ω

1/16W J

R122

NRSA63J-104X

MG RESISTOR

100k

Ω

1/16W J

R131

NRSA63J-102X

MG RESISTOR

Ω

1/16W J

R132

NRSA63J-331X

MG RESISTOR

330

Ω

1/16W J

R133

NRSA63J-821X

MG RESISTOR

820

Ω

1/16W J

R134

NRSA63J-471X

MG RESISTOR

470

Ω

1/16W J

R135

NRSA63J-152X

MG RESISTOR

1.5k

Ω

1/16W J

R161

NRSA63J-332X

MG RESISTOR

3.3k

Ω

1/16W J

R163

NRSA63J-223X

MG RESISTOR

22k

Ω

1/16W J

R164

NRSA63J-102X

MG RESISTOR

Ω

1/16W J

R165

NRSA63J-223X

MG RESISTOR

22k

Ω

1/16W J

R166

NRSA63J-103X

MG RESISTOR

10k

Ω

1/16W J

R167

NRSA63J-102X

MG RESISTOR

Ω

1/16W J

R168

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R169

NRSA63J-561X

MG RESISTOR

560

Ω

1/16W J

R171

NRSA63J-333X

MG RESISTOR

33k

Ω

1/16W J

R201

NRSA63J-223X

MG RESISTOR

22k

Ω

1/16W J

R212

NRSA63J-272X

MG RESISTOR

2.7k

Ω

1/16W J

R215

NRSA63J-562X

MG RESISTOR

5.6k

Ω

1/16W J

R216

NRSA63J-562X

MG RESISTOR

5.6k

Ω

1/16W J

R217

NRSA63J-102X

MG RESISTOR

Ω

1/16W J

R227

NRSA63J-104X

MG RESISTOR

100k

Ω

1/16W J

R231

NRSA63J-182X

MG RESISTOR

1.8k

Ω

1/16W J

R232

NRSA63J-392X

MG RESISTOR

3.9k

Ω

1/16W J

R233

NRSA63J-332X

MG RESISTOR

3.3k

Ω

1/16W J

R234

NRSA63J-152X

MG RESISTOR

1.5k

Ω

1/16W J

R235

NRSA63J-102X

MG RESISTOR

Ω

1/16W J

R251

NRSA63J-332X

MG RESISTOR

3.3k

Ω

1/16W J

R252

NRSA63J-103X

MG RESISTOR

10k

Ω

1/16W J

R253

NRSA63J-102X

MG RESISTOR

Ω

1/16W J

R254

NRSA63J-181X

MG RESISTOR

180

Ω

1/16W J

R255

NRSA63J-152X

MG RESISTOR

1.5k

Ω

1/16W J

R256

NRSA63J-152X

MG RESISTOR

1.5k

Ω

1/16W J

R257

NRSA63J-222X

MG RESISTOR

2.2k

Ω

1/16W J

R261

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R262

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R263

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R264

NRSA63J-821X

MG RESISTOR

820

Ω

1/16W J

R282

NRSA63J-222X

MG RESISTOR

2.2k

Ω

1/16W J

R283

NRSA63J-821X

MG RESISTOR

820

Ω

1/16W J

R285

NRSA63J-331X

MG RESISTOR

330

Ω

1/16W J

R286

NRSA63J-102X

MG RESISTOR

Ω

1/16W J

R287

NRSA63J-102X

MG RESISTOR

Ω

1/16W J

R288

NRSA63J-0R0X

MG RESISTOR

Ω

1/16W J

R292

NRSA63J-222X

MG RESISTOR

2.2k

Ω

1/16W J

R293

NRSA63J-471X

MG RESISTOR

470

Ω

1/16W J

R295

NRSA63J-331X

MG RESISTOR

330

Ω

1/16W J

R296

NRSA63J-102X

MG RESISTOR

Ω

1/16W J

R297

NRSA63J-102X

MG RESISTOR

Ω

1/16W J

R298

NRSA63J-0R0X

MG RESISTOR

Ω

1/16W J

R301

NRSA63J-151X

MG RESISTOR

150

Ω

1/16W J

R302

QRL029J-123

OMF RESISTOR

12k

Ω

2W J

R303

QRZ0111-152

C RESISTOR

1.5k

Ω

1/2W K

R304

NRSA63J-332X

MG RESISTOR

3.3k

Ω

1/16W J

R305

NRSA63J-271X

MG RESISTOR

270

Ω

1/16W J

R306

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R311

NRSA63J-151X

MG RESISTOR

150

Ω

1/16W J

R312

QRL029J-123

OMF RESISTOR

12k

Ω

2W J

R313

QRZ0111-152

C RESISTOR

1.5k

Ω

1/2W K

R314

NRSA63J-332X

MG RESISTOR

3.3k

Ω

1/16W J

R315

NRSA63J-271X

MG RESISTOR

270

Ω

1/16W J

R316

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R321

NRSA63J-151X

MG RESISTOR

150

Ω

1/16W J

R322

QRL029J-123

OMF RESISTOR

12k

Ω

2W J

R323

QRZ0111-152

C RESISTOR

1.5k

Ω

1/2W K

R324

NRSA63J-332X

MG RESISTOR

3.3k

Ω

1/16W J

R325

NRSA63J-271X

MG RESISTOR

270

Ω

1/16W J

R326

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R331

NRSA63J-102X

MG RESISTOR

Ω

1/16W J

R334

NRSA63J-392X

MG RESISTOR

3.9k

Ω

1/16W J

R335

NRSA63J-152X

MG RESISTOR

1.5k

Ω

1/16W J

R354

NRSA63J-331X

MG RESISTOR

330

Ω

1/16W J

R356

NRSA63J-123X

MG RESISTOR

12k

Ω

1/16W J

R359

NRSA63J-103X

MG RESISTOR

10k

Ω

1/16W J

R360

NRSA63J-0R0X

MG RESISTOR

Ω

1/16W J

R364

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R365

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R366

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R401

NRSA63J-102X

MG RESISTOR

Ω

1/16W J

Ref No.

Part No.

Part Name

Description Local

R402

NRSA63J-103X

MG RESISTOR

10k

Ω

1/16W J

R403

NRSA63J-103X

MG RESISTOR

10k

Ω

1/16W J

R405

NRSA63J-103X

MG RESISTOR

10k

Ω

1/16W J

R406

NRSA63J-153X

MG RESISTOR

15k

Ω

1/16W J

R407

QRE121J-681Y

C RESISTOR

680

Ω

1/2W J

R408

QRE121J-681Y

C RESISTOR

680

Ω

1/2W J

R409

QRX01GJ-1R0

MF RESISTOR

Ω

1W J

R411

NRSA63J-183X

MG RESISTOR

18k

Ω

1/16W J

R412

NRSA63J-153X

MG RESISTOR

15k

Ω

1/16W J

R414

NRSA63J-123X

MG RESISTOR

12k

Ω

1/16W J

R416

QRE121J-102Y

C RESISTOR

Ω

1/2W J

R501

NRSA63J-472X

MG RESISTOR

4.7k

Ω

1/16W J

R502

NRSA63J-681X

MG RESISTOR

680

Ω

1/16W J

R504

NRSA63J-392X

MG RESISTOR

3.9k

Ω

1/16W J

R505

NRSA63J-154X

MG RESISTOR

150k

Ω

1/16W J

R506

NRSA63J-471X

MG RESISTOR

470

Ω

1/16W J

R507

NRSA63J-561X

MG RESISTOR

560

Ω

1/16W J

R508

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R509

NRSA63J-271X

MG RESISTOR

270

Ω

1/16W J

R510

QRE121J-103Y

C RESISTOR

10k

Ω

1/2W J

R511

QRL039J-272

OMF RESISTOR

2.7k

Ω

3W J

R512

QRL039J-332

OMF RESISTOR

3.3k

Ω

3W J

R521

QRE121J-220Y

C RESISTOR

Ω

1/2W J

R522

QRE121J-681Y

C RESISTOR

680

Ω

1/2W J

R523

QRL039J-152

OMF RESISTOR

1.5k

Ω

3W J

R524

QRE121J-334Y

C RESISTOR

330k

Ω

1/2W J

R525

QRE121J-184Y

C RESISTOR

180k

Ω

1/2W J

R526

QRK129J-150

UNF C RESISTOR

Ω

1/2W J

R528

QRE121J-472Y

C RESISTOR

4.7k

Ω

1/2W J

R529

QRK126J-4R7X

UNF C RESISTOR

4.7

Ω

1/2W J

R530

QRX029J-1R5

MF RESISTOR

1.5

Ω

2W J

R531

NRZ0032-7151X

CHIP MF RESISTOR

7.15k

Ω

R533

NRZ0032-3241X

CHIP MF RESISTOR

3.24k

Ω

R541

QRE121J-683Y

C RESISTOR

68k

Ω

1/2W J

R621

NRSA63J-103X

MG RESISTOR

10k

Ω

1/16W J

R622

NRSA63J-333X

MG RESISTOR

33k

Ω

1/16W J

R624

NRSA63J-103X

MG RESISTOR

10k

Ω

1/16W J

R625

NRSA63J-333X

MG RESISTOR

33k

Ω

1/16W J

R627

NRSA63J-103X

MG RESISTOR

10k

Ω

1/16W J

R628

NRSA63J-332X

MG RESISTOR

3.3k

Ω

1/16W J

R630

NRSA63J-103X

MG RESISTOR

10k

Ω

1/16W J

R631

NRSA63J-103X

MG RESISTOR

10k

Ω

1/16W J

R632

NRSA63J-104X

MG RESISTOR

100k

Ω

1/16W J

R638

QRT039J-1R2

MF RESISTOR

1.2

Ω

3W J

R639

QRE121J-271Y

C RESISTOR

270

Ω

1/2W J

R640

QRE121J-271Y

C RESISTOR

270

Ω

1/2W J

R641

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R642

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R643

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R644

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R645

NRSA63J-105X

MG RESISTOR

Ω

1/16W J

R646

NRSA63J-104X

MG RESISTOR

100k

Ω

1/16W J

R647

NRSA63J-103X

MG RESISTOR

10k

Ω

1/16W J

R648

NRSA63J-123X

MG RESISTOR

12k

Ω

1/16W J

R649

NRSA63J-683X

MG RESISTOR

68k

Ω

1/16W J

R650

NRSA63J-332X

MG RESISTOR

3.3k

Ω

1/16W J

R651

NRSA63J-333X

MG RESISTOR

33k

Ω

1/16W J

R652

NRSA63J-332X

MG RESISTOR

3.3k

Ω

1/16W J

R653

NRSA63J-392X

MG RESISTOR

3.9k

Ω

1/16W J

R654

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R655

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R656

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R657

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R658

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R659

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R660

NRSA63J-105X

MG RESISTOR

Ω

1/16W J

R681

NRSA63J-221X

MG RESISTOR

220

Ω

1/16W J

R682

NRSA63J-221X

MG RESISTOR

220

Ω

1/16W J

R683

NRSA63J-223X

MG RESISTOR

22k

Ω

1/16W J

R684

NRSA63J-223X

MG RESISTOR

22k

Ω

1/16W J

R685

NRSA63J-223X

MG RESISTOR

22k

Ω

1/16W J

R686

NRSA63J-223X

MG RESISTOR

22k

Ω

1/16W J

R687

NRSA63J-221X

MG RESISTOR

220

Ω

1/16W J

R688

NRSA63J-221X

MG RESISTOR

220

Ω

1/16W J

R691

NRSA63J-823X

MG RESISTOR

82k

Ω

1/16W J

R692

NRSA63J-823X

MG RESISTOR

82k

Ω

1/16W J

R701

NRSA63J-102X

MG RESISTOR

Ω

1/16W J

R702

NRSA63J-102X

MG RESISTOR

Ω

1/16W J

R703

NRSA63J-103X

MG RESISTOR

10k

Ω

1/16W J

R704

NRSA63J-472X

MG RESISTOR

4.7k

Ω

1/16W J

R705

NRSA63J-472X

MG RESISTOR

4.7k

Ω

1/16W J

R706

NRSA63J-472X

MG RESISTOR

4.7k

Ω

1/16W J

R707

NRSA63J-103X

MG RESISTOR

10k

Ω

1/16W J

R708

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R709

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

R714

NRSA63J-823X

MG RESISTOR

82k

Ω

1/16W J

R715

NRSA63J-101X

MG RESISTOR

100

Ω

1/16W J

Ref No.

Part No.

Part Name

Description Local

Summary of Contents for AV-20F475

Page 1: ...MPANY OF JAPAN LIMITED No YA052 2004 4 COLOR TELEVISION YA052 2004 4 AV 20F475 S AV N21F45 S TABLE OF CONTENTS 1 PRECAUTION 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 4 3 DISASSEMBLY 1 6 4 ADJUSTMENT 1 11 5 TROUBLESHOOTING 1 26 BASIC CHASSIS FJ2 ...

Page 2: ...ency Video IF Sound IF 45 75 MHz 41 25 MHz 4 5MHz Color Sub Carrier 3 58 MHz Power Input AC120V 60Hz Power Consumption 85W Picture Tube 20 51cm Measured diagonally full square H 30 5cm W 40 6cm High Voltage 26 0kV 1 3kV at zero beam current Speaker 6 5cm 13cm 2 1 2 5 Oval type 2 Audio Power Output 3W 3W Antenna Terminal VHF UHF F type connector 75Ω unbalanced coaxial 1 Video Audio input INPUT 1 2 ...

Page 3: ...the manufacturer of the complete product 8 Do not check high voltage by drawing an arc Use a high voltage meter or a high voltage probe with a VTVM Discharge the picture tube before attempting meter connection by connecting a clip lead to the ground frame and connecting the other end of the lead through a 10kΩ 2W resistor to the anode button 9 When service is required observe the original lead dre...

Page 4: ...ears direct without deteriorating the signal from DVD MTS STEREO The voice multiplex function of the MTS system is built in MTS Multi channel TV Sound system RETURN PLUS You can program a specific channel to return to while scanning through the channels using the CH and CH keys VIDEO INPUT LABEL This function is used to label video input connections for the onscreen displays HYPER SURROUND Creates...

Page 5: ... O AGC muting for tuner when channel select Muting H 38 YC_Vcc I 5V for video process circuit 11 uP_VVss GND 39 R_OUT O R signal 12 TV_HGND GND 40 G_OUT O G signal 13 FBP_SCP I Flyback pulse H pulse 41 B_OUT O B signal 14 HOUT O H drive oscillation 42 RGB_Vcc I 9V for RGB process circuit 15 H_Vcc I 9V for H oscillation start 43 IK_IN I Not used 16 HAFC_1 H AFC filter 44 TV_AGND GND 17 Vsaw V saw f...

Page 6: ...PEAKER HOLDER 3 Follow the same steps when remove the other hand SPEAKER 3 1 4 CHECKING THE MAIN PWB To check the PW Board from back side 1 Pull out the MAIN PWB refer to REMOVING THE MAIN PWB 2 Erect the MAIN PWB vertically with the HVT side facing up so that you can easily check the back side of the MAIN PWB CAUTION When erecting the MAIN PWB be careful so that there will be no contacting with o...

Page 7: ... No YA052 1 7 Fig 1 0 1 2 31 24 4 1 ...

Page 8: ...e do not agree refer to the OPERATING INSTRUCTIONS and set the items as described 6 SERVICE MODE setting Verify what to set in the SERVICE MODE and set whatever is necessary Fig 1 Refer to the SERVICE ADJUSTMENT for setting 3 2 2 SERVICE MODE SETTING ITEMS Fig 1 Setting items Settings Item No 1 V C S Video setting Adjust S01 S47 2 DEF D Deflection setting Adjust D01 D33 3 SOUND A Audio setting Adj...

Page 9: ...IDEO STATUS DYNAMIC ASPECT 4 3 HYPER SORROUND OFF Setting item Setting position TINT 0 COLOR 0 PICTURE 8 BRIGHT 0 DETAIL 8 COLOR TEMPERRATURE HIGH NOISE MUTING ON Setting item Setting position BASS Center TREBLE Center BALANCE Center MTS STEREO SMART SOUND OFF Setting item Setting position SET CLOCK OFF ON OFF TIMER OFF WORLD CLOCK Refer to OPERATING INSTRUCTIONS AV 20F475 Setting item Setting pos...

Page 10: ...he tweezers and remove the chip part Transistors diodes variable resistors etc 1 Apply extra solder to each lead 2 As shown in the figure push the part with tweezers and alternately melt the solder at each lead Shift and remove the chip part NOTE After removing the part remove remaining solder from the pattern 2 How to install Chip parts Resistors capacitors etc 1 Apply solder to the pattern as in...

Page 11: ... items of this service adjustment 4 2 PRESET SETTING BEFORE ADJUSTMENTS Unless otherwise specified in the adjustment items preset the following functions with the REMOTE CONTROL UNIT 4 3 MEASURING INSTRUMENT AND FIXTURES DC voltmeter or digital voltmeter Oscilloscope Signal generator Pattern generator NTSC TV audio multiplex signal generator Remote control unit 4 4 ADJUSTMENT ITEMS CHECK ITEM B1 V...

Page 12: ...SPEAKER F901 R927 IC201 IC421 IC702 IC851 TUNER DOWN UP HVT FUSE DEG TP E TP B S401 T111 T521 V CENTER SW CW PW HV S T T U E1 C U X UPPER FOCUS TP E GND TP 91 B1 LOWER SCREEN MAIN PWB CRT SOCKET PWB FRONT TOP CRT EARTH BRAIDED ASS Y SOLDER SIDE 1 3 1 X RAY 2 GND 3 X RAY ...

Page 13: ...IGHT 5 3L Y C LYC Fixed value LYC01 1 V C S 2 DEF D 3 SOUND A 4 OTHERS F 5 3L Y C LYC 7 LOW LIGHT 8 HIGH LIGHT 9 VCO 11 I2C BUS 12 SYSTEM SYS SELECT BY OPERATE BY EXIT BY EXIT SERVICE MENU BRIGHT 7 LOW LIGHT SUB MENU MAIN MENU 12 SYSTEM SYS Fixed value SYS01 VIDEO IN 11 I2C BUS Fixed value I2C BUS ON 9 VCO 8 HIGH LIGHT TOO HIGH GOOD TOO LOW SYNC YES AFC ON FINE 0 ...

Page 14: ...OW TO EXIT THE SERVICE MODE Press the EXIT key to exit the SERVICE MODE 1 V C S This sets the setting values of the VIDEO circuit 2 DEF D This sets the setting values of the DEFLECTION circuit 3 SOUND A This sets the setting values of the AUDIO circuit 4 OTHERS F This sets the setting values of the factory settings Do not adjust 5 3L Y C LYC This sets the setting values of the 3 line YC separation...

Page 15: ...tored automatically when release the REMOTE CONTROL UNIT keys 8 HIGH LIGHT The settings for HIGH LIGHT is described in the WHITE BALANCE page of ADJUSTMENT PROCEDURE NOTE The setting value will be stored automatically when release the REMOTE CONTROL UNIT keys 9 VCO The setting for VCO is described in the IF VCO page of ADJUSTMENT PROCEDURE RF Antenna input COMP External Component input EXT Externa...

Page 16: ...D STANDARD 4 3 16 9 4 3 4 3 S01 BRIGHT 0 127 64 S02 PICTURE 0 127 65 S03 COLOR 0 127 41 44 S04 TINT 0 127 67 62 S05 DETAIL 0 63 30 35 40 S06 BRIGHT 32 32 0 0 3 2 S07 PICT 32 32 0 0 7 0 S08 COLOR 32 32 0 3 1 S09 TINT 32 32 0 6 6 S10 DETAIL 32 32 3 No Setting item Variable range Initial setting value RF EXTERNAL S COMPOSITE EXTERNAL COMPONENT STANDARD THEATER STANDARD THEATER LOW HIGH LOW HIGH LOW H...

Page 17: ...Setting item Variable range Initial setting value S29 RGB MUTE 0 1 0 S30 BLUE B 0 1 1 S31 VIDEO SW 0 3 3 S32 CMP ABCL 0 1 0 S33 OSD ABL 0 1 0 S34 OSD CONT 0 63 6 S35 SUB CONT 0 15 8 S36 ABL GAIN 0 3 0 S37 ABL PNT 0 3 3 S38 Y GAMMA 0 3 1 S39 Y MUTE 0 1 0 S40 SVM GAIN 0 3 3 S41 SVM PH 0 3 0 S42 WPL 0 1 0 S43 COL GMM 0 1 0 S44 V1 GAIN 0 7 4 S45 VMOFF DE 128 127 0 S46 APC CLK 0 1 1 S47 PIP ADJ 0 15 0 ...

Page 18: ... CENT 128 127 0 D11 V S CORR 0 15 4 4 D12 V S CO 128 127 0 D13 V LIN 0 15 11 11 D14 V LIN 128 127 0 D15 H SIZE 0 63 32 32 D16 H SIZE 128 127 0 D17 WVMT TOP 0 3 0 2 0 D18 WVMT BTM 0 3 0 2 0 D19 EWCR TOP 0 31 16 16 D20 EWCR T 128 127 0 D21 EWCR BTM 0 31 16 16 D22 EWCR B 128 127 0 D23 EW PARA 0 63 26 26 D24 EW PAR 128 127 0 D25 V EHT 0 7 0 0 D26 V EHT 128 127 0 D27 H EHT 0 7 0 0 D28 H EHT 128 127 0 D...

Page 19: ...28 127 16 F16 VM DAT E 0 1 0 F17 XDSID TM 0 255 15 F18 FM TRAP 0 1 0 No Setting item Variable range Initial setting value LYC01 MODE 0 7 4 LYC02 VENH 0 7 1 LYC03 PDSOFF 0 1 0 LYC04 CB 0 1 0 LYC05 VNLR 0 15 2 LYC06 GSEL0 0 1 0 LYC07 GSEL1 0 1 1 LYC08 COR 0 3 0 LYC09 TRAP 0 1 1 LYC10 CHTRAP 0 1 0 LYC11 CBPF 0 1 0 LYC12 ENHOFF 0 1 0 No Setting item Variable range Initial setting value AV 20F475 AV N2...

Page 20: ...e screen T521 RESISTOR HEATER X CONNECTOR 3 2 1 4 18 0 k 1 Item Measuring instrument Test point Adjustment part Description IF VCO Remote control unit 9 VCO CW transf T111 MAIN PWB It must not adjust without inputting the RF signal 1 Receive any broadcast 2 Select 9 VCO from the SERVICE MODE 3 Change the AFC to OFF and FINE to 0 4 Confirm that the color change from TOO HIGH to TOO LOW by CW transf...

Page 21: ... CENTER SW NOTE Bottom is to be located within 85 95 range When vertical linearity is not even adjust vertical linearity by D13 V LIN and D11 VS CORR V SIZE V POSITION 16 9 Signal generator Remote control unit 2 DEF D D08 V SIZE D14 V LIN V SIZE V POSITION 4 3 adjustment should be finished 1 Receive the black and white signal color off 2 Select 16 9 mode 3 Confirm that the width of V BLANKING is e...

Page 22: ...19 EWCR TOP and D21 EWCR BTM H POSITION H SIZE SIDE PIN 16 9 Signal generator Remote control unit 2 DEF D D16 H SIZE D04 H POSI D24 EW PAR D20 EWCR T D22 EWCR B V SIZE V POSITION adjustment should be finished H SIZE H POSITION SIDE PIN adjustment should be finished Regular size 4 3 1 Receive the cross hatch signal 2 Select 16 9 mode 3 Confirm both sides of cross hatch to be the adjustment value 90...

Page 23: ... appear until the single horizontal line that is displayed becomes white using the 4 9 keys 12 Turn the SCREEN VR until the single horizontal line is displayed faintly 13 Press the 2 key to cancel the single horizontal line mode 14 Return to the main menu in the SERVICE MODE 15 Select the 1 V C S from the SERVICE MODE 16 Adjust the BRIGHT level to become the black component shines white slightly b...

Page 24: ...m the SERVICE MODE 4 Select S01 BRIGHT 5 Set the initial setting value of the S01 6 If the brightness is not the best with the initial setting value make fine adjustment of the S01 until you get the optimum brightness SUB CONTRAST Remote control unit 1 V C S S02 PICTURE 1 Receive any broadcast 2 Set the VIDEO STATUS to STANDARD 3 Select the 1 V C S from the SERVICE MODE 4 Select S02 PICTURE 5 Set ...

Page 25: ... signal generator to the antenna terminal 2 Connect an oscilloscope to R OUT pin of the AUDIO OUT and display one cycle portion of the 300Hz signal 3 Select the 3 SOUND A from the SERVICE MODE 4 Select the A02 LOW SEP 5 Set the initial setting value of the A02 6 Adjust the A02 so that the stroke element of the 300Hz signal will become minimum 7 Change the connection of the oscilloscope to L OUT pi...

Page 26: ...1 26 No YA052 SECTION 5 TROUBLESHOOTING This service manual does not describe TROUBLESHOOTING ...

Page 27: ...2 WPC Printed in Japan JVC SERVICE ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP www jvcservice com US Only JVC CANADA INC Head office 21 Finchdene Square Scarborough Ontario M1X 1A7 416 293 1311 ...

Page 28: ...itor MF R Metal Film Resistor MF CAP Metalized Film Capacitor MG R Metal Glazed Resistor MM CAP Metalized Mylar Capacitor MP R Metal Plate Resistor MP CAP Metalized Polystyrol Capacitor OM R Metal Oxide Film Resistor PP CAP Polypropylene Capacitor CMF R Coating Metal Film Resistor PS CAP Polystyrol Capacitor UNF R Non Flammable Resistor TF CAP Thin Film Capacitor CH V R Chip Variable Resistor MPP ...

Page 29: ...G BOARD PARTS LIST AV 20F475 S MAIN P W BOARD ASS Y SFJ 1011A M2 3 6 PRINTED WIRING BOARD PARTS LIST AV N21F45 S MAIN P W BOARD ASS Y SFJ 1012A M2 3 10 REMOTE CONTROL UNIT PARTS LIST RM C1258G 1H 3 14 PACKING 3 14 PACKING PARTS LIST 3 14 USING P W BOARD REMOTE CONTROL UNIT P W B ASS Y AV 20F475 S AV N21F45 S MAIN P W B SFJ 1011A M2 SFJ 1012A M2 REMOTE CONTROL UNIT RM C1258G 1H ...

Page 30: ...ENS 2 CM48006 010 C JVC MARK 3 GQ30025 002A A CONTROL KNOB 100 GQ10063 003B A FRONT CABINET ASSY Inc No 101 104 AV 20F475 S 100 GQ10063 004A A FRONT CABINET ASSY Inc No 101 104 AV N21F45 S 101 GQ20006 001B A DOOR 102 CM48229 00A C DOOR LATCH 103 LC32240 001A A POWER KNOB 104 CM36481 002A A SPRING 2 1 3 104 103 101 102 100 ...

Page 31: ... SCREW x4 10 LC21261 001B A SP HOLDER x2 11 CM48144 001 A PB STOPPER 12 GQ10061 001A A REAR COVER 13 GQ40041 001A A WARNING LABEL 14 QMPD390 200 JS POWER CORD US CA 2m BLACK 15 LC20106 001D A POWER CORD CLAMP 16 QYSBSFG4016Z TAP SCREW 4 0mm x 16mm x7 17 QYSBSB3010Z TAP SCREW 3 0mm x 10mm x4 18 GQ30032 001A A RATING LABEL AV 20F475 S 18 GQ20001 001A A RATING LABEL AV N21F45 S 19 GQ30034 001B A WARN...

Page 32: ... No YA052 3 5 EXPLODED VIEW 2 11 L01 V01 5 9 19 16 17 12 6 15 14 30 18 7 8 10 CRT SOCKET PWB Within MAIN PWB 13 T521 ...

Page 33: ... MTZJ9 1C T2 Z DIODE D901 GSIB460 S1 DIODE BRIDGE D902 RGP10J 04TS T3 SI DIODE D903 RGP10J 04TS T3 SI DIODE D904 RGP10J 04TS T3 SI DIODE D905 SARS01 T2 SI DIODE D907 MA700A T2 SB DIODE D908 MTZJ15C T2 Z DIODE D921 RGP10J 04TS T3 SI DIODE D922 RGP10J 04TS T3 SI DIODE D923 RGP10J 04TS T3 SI DIODE D924 RGP10J 04TS T3 SI DIODE D925 1SS133 T2 DIODE D926 RU3AM LFC4 SI DIODE D927 21DQ10N T3 SB DIODE D928...

Page 34: ...50V M C665 QETN1CM 227Z E CAPACITOR 220uF 16V M C666 NCB31HK 223X C CAPACITOR 0 022uF 50V K Ref No Part No Part Name Description Local C667 NCB31HK 472X C CAPACITOR 4700pF 50V K C668 QENC1HM 475Z BP E CAPACITOR 4 7uF 50V M C669 NCB31EK 104X C CAPACITOR 0 1uF 25V K C670 NCB31HK 472X C CAPACITOR 4700pF 50V K C671 NDC31HJ 101X C CAPACITOR 100pF 50V J C672 NDC31HJ 101X C CAPACITOR 100pF 50V J C681 QET...

Page 35: ...3J 101X MG RESISTOR 100Ω 1 16W J R401 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J Ref No Part No Part Name Description Local R402 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R403 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R405 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R406 NRSA63J 153X MG RESISTOR 15kΩ 1 16W J R407 QRE121J 681Y C RESISTOR 680Ω 1 2W J R408 QRE121J 681Y C RESISTOR 680Ω 1 2W J R409 QRX01GJ 1R0 MF RESISTOR...

Page 36: ...OR 47kΩ 1 16W J R924 QRX01GJ 1R0 MF RESISTOR 1Ω 1W J R925 QRX01GJ 1R0 MF RESISTOR 1Ω 1W J R926 QRT029J 1R2 MF RESISTOR 1 2Ω 2W J R927 QRT029J 1R2 MF RESISTOR 1 2Ω 2W J R928 QRE121J 272Y C RESISTOR 2 7kΩ 1 2W J R929 QRE121J 223Y C RESISTOR 22kΩ 1 2W J R930 QRE121J 473Y C RESISTOR 47kΩ 1 2W J R932 NRSA63J 123X MG RESISTOR 12kΩ 1 16W J R933 NRSA63J 123X MG RESISTOR 12kΩ 1 16W J R934 NRSA63J 273X MG R...

Page 37: ...ZJ9 1C T2 Z DIODE D834 MTZJ9 1C T2 Z DIODE D901 GSIB460 S1 DIODE BRIDGE D902 RGP10J 04TS T3 SI DIODE D903 RGP10J 04TS T3 SI DIODE D904 RGP10J 04TS T3 SI DIODE D905 SARS01 T2 SI DIODE D907 MA700A T2 SB DIODE D908 MTZJ15C T2 Z DIODE D921 RGP10J 04TS T3 SI DIODE D922 RGP10J 04TS T3 SI DIODE D923 RGP10J 04TS T3 SI DIODE D924 RGP10J 04TS T3 SI DIODE D925 1SS133 T2 DIODE D926 RU3AM LFC4 SI DIODE D927 21...

Page 38: ...7uF 50V M C664 QENC1HM 475Z BP E CAPACITOR 4 7uF 50V M C665 QETN1CM 227Z E CAPACITOR 220uF 16V M Ref No Part No Part Name Description Local C666 NCB31HK 223X C CAPACITOR 0 022uF 50V K C667 NCB31HK 472X C CAPACITOR 4700pF 50V K C668 QENC1HM 475Z BP E CAPACITOR 4 7uF 50V M C669 NCB31EK 104X C CAPACITOR 0 1uF 25V K C670 NCB31HK 472X C CAPACITOR 4700pF 50V K C671 NDC31HJ 101X C CAPACITOR 100pF 50V J C...

Page 39: ...63J 101X MG RESISTOR 100Ω 1 16W J R401 NRSA63J 102X MG RESISTOR 1kΩ 1 16W J Ref No Part No Part Name Description Local R402 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R403 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R405 NRSA63J 103X MG RESISTOR 10kΩ 1 16W J R406 NRSA63J 153X MG RESISTOR 15kΩ 1 16W J R407 QRE121J 681Y C RESISTOR 680Ω 1 2W J R408 QRE121J 681Y C RESISTOR 680Ω 1 2W J R409 QRX01GJ 1R0 MF RESISTO...

Page 40: ...TOR 47kΩ 1 16W J R924 QRX01GJ 1R0 MF RESISTOR 1Ω 1W J R925 QRX01GJ 1R0 MF RESISTOR 1Ω 1W J R926 QRT029J 1R2 MF RESISTOR 1 2Ω 2W J R927 QRT029J 1R2 MF RESISTOR 1 2Ω 2W J R928 QRE121J 272Y C RESISTOR 2 7kΩ 1 2W J R929 QRE121J 223Y C RESISTOR 22kΩ 1 2W J R930 QRE121J 473Y C RESISTOR 47kΩ 1 2W J R932 NRSA63J 123X MG RESISTOR 12kΩ 1 16W J R933 NRSA63J 123X MG RESISTOR 12kΩ 1 16W J R934 NRSA63J 273X MG ...

Page 41: ...2 001A A CUSHION ASSY 4pcs in 1set 4 CP30056 008 A POLY BAG 5 CP30055 001 A TOP COVER 6 QPA02503505 POLY BAG 25cm x 35cm 7 RM C1258G 1H REMOCON 8 BATTERY R6P AA x2 9 BT 52006 2Q WARRANTY CARD AV 20F475 S 10 LCT1532 001A A INST BOOK English French AV 20F475 S 10 LCT1608 001A A INST BOOK Spanish AV N21F45 S 11 BT 51034 1Q REGIST CARD AV 20F475 S 12 CM36042 00A H ROD ANTENNA AV N21F45 S 13 GQ40044 00...

Page 43: ...wer Supply Type MM Metalized mylar capacitor PP Polypropylene capacitor MPP Metalized polypropylene capacitor MF Metalized film capacitor TF Thin film capacitor BP Bipolar electrolytic capacitor TAN Tantalum capacitor 3 Coils No unit Others µH As specified No indication Ceramic capacitor 2 Capacitors Capacitance value 1 or higher pF less than 1 µF Withstand voltage No indication DC50 V Others DC w...

Page 44: ...2 9 MAIN PWB PATTERN 2 9 CHANNEL CHART US 2 11 CHANNEL CHART CA 2 12 USING P W BOARD PWB ASS Y name AV 20FA475 S AV N21F45 S MAIN P W BOARD SFJ 1011A M2 SFJ 1012A M2 IC BOTTOM VIEW FRONT VIEW TOP VIEW 1 N N 1 OUT E IN IN OUT E 1 N TOP VIEW N 1 N N N 1 N CHIP IC TRANSISTOR BOTTOM VIEW FRONT VIEW TOP VIEW CHIP TR E C B E C B C B E B G E S C D E C B E C B ...

Page 45: ...901 TU001 TUNER IC251 V3 L3 R3 L3 R3 L2 R2 R1 Y2 Pb2 Pr2 V2 Y2 V2 SDA1 SDA0 3 LINE Y C SEP L R EX IC702 MEMORY IC901 POWER REGULATOR IC641 IC101 MTS DECODE AUDIO CONTROL IF DET IF AMP VIDEO DETECT AMP FM DETECT EQ AMP LIMIT AMP MTS DECODE VOLUME CONTROL TONE CONTROL SURROUND T921 SW TRANS R2 L2 Pb2 Pr2 L1 SDA0 SCL0 SDA0 SCL0 SDA0 SCL0 SDA0 SCL0 BLOCK DIAGRAM ...

Page 46: ...CAPTION DECODE VIDEO PROCESS RGB PROCESS SYNC SEP DEF PROCESS L R EXTL EXTR CRT Q301 B OUT AUDIO OUT Q311 R OUT Q321 G OUT HEADPHONE CHROMA PROCESS OSD GENERATE BASE BAND PROCESS V PROCESS CPU I O PORT CLOSED CAPTION DECODER H PROCESS RGB PROCESS Y PROCESS SYNC SEPARATE Q521 H OUT IC421 DY01 V OUT B1 FOCUS EHT SCREEN T521 HVT H V DEF YOKE Q501 H DRIVE Pb2 Pr2 ...

Page 47: ...69 R770 R740 R734 R733 R708 R704 R705 R709 R716 R718 R721 R701 C701 C402 C505 R360 C851 C852 C854 C855 R772 R774 R775 C856 C858 Q251 Q252 R256 C265 R851 R852 R853 R854 R856 R776 R777 R861 C859 C861C860 R254 R706 K701 QQR0582 001Z K702 QQR0582 001Z R857 R855 C862 C857 R257 K251 QQR0582 001Z K253 QQR0582 001Z C853 D366 IC704 AN78L05 T IC703 S 80840CNY T C702 C703 R703 R707 D705 C504 R863 R862 Q851 Y...

Page 48: ...3 C623 C638 C627 Q622 IC602 C637 R622 C624 C632 D625 D624 C629 R636 R626 C626 R624 Q621 C625 R625 Y605 Q626 R633 R634 Q625 R121 R123 R122 R124 R696 Q690 C690 R693 R695 R694 C691 R698 D691 D690 C692 C693 C699 C698 C696 C697 C640 C639 R602 R601 R603 Y630 C601 Q624 C695 C694 Y631 C633 R767 R765 R766 R764 C107 R171 R163 C106 C203 C354 C247 LC688 QQR1199 001 LC687 QQR1199 001 C630 C628 C631 R697 R699 7...

Page 49: ... R942 1 2W R943 1 2W C942 IC922 L7805P 5V C944 R930 1 2W C924 R924 QRX01GJ 1R0 R925 QRX01GJ 1R0 HS009 LC31678 001A QRL039J QRL039J K902 QQR0582 001Z R908 QRK126J 681X R910 1 2W R911 1W D905 SARS01 T2 C911 QFP32GJ 103Z R932 D901 GSIB460 S1 or D3SB60 T901 QQT0355 001 K903 QQR0582 001Z K904 QQR0582 001Z C910 CH D907 MA700A T2 D908 MTZJ15C T2 D906 X R938 1 2W R939 1 2W CN0B1 CH41169 R03Y C945 C943 C94...

Page 50: ...401 QSL4A13 C02 R416 QRE121J 102Y C403 H002 LC30381 001A D525 R512 39J 332 R511 39J 272 C532 R541 QRE121J 683Y CNX C408 C412 D522 RH1S T3 R526 QRK129J 150 L522 opt T521 QQH0128 001 L521 QQR1005 004 R524 C523 QFZ0197 404 CN00U Y343 R322 2WOMR TP E R335 Q311 2SC4075 DE YA11 R321 R311 Q301 2SC4075 DE YA11 R306 Q331 D331 R324 C301 Y342 R334 L341 QQL29BJ 390Z C311 C331 R315 C302 C321 C341 CN10U C312 R3...

Page 51: ...298 W602 C649 I C 6 4 1 S751 C670 R698 R401 CL003 R50 R503 R504 LC688 D691 W660 C660 R693 R694 R695 W695 W670 D681 D682 C641 C642 R643 R644 R645 R646 R681 R682 W801 W802 W715 W805 R701 R702 R703 R704 R705 R706 R707 R708 R709 R714 R716 R718 R721 R731 R732 R733 R734 R739 R740 R751 R752 R753 R754 R755 J001 R756 R768 R769 R770 R771 R772 R773 R774 R775 R776 R777 R778 R801 R802 R803 R821 R831 R833 R851 ...

Page 52: ...Q625 Q626 R630 W682 R631 R632 R633 R634 R402 R403 R404 R405 R406 R407 R408 R409 R410 R411 R412 R413 R414 R415 R416 R501 R502 R505 R506 R507 R508 R509 R510 R511 R512 R521 R522 R523 R524 R525 R526 R527 R528 R529 R530 R531 R532 R533 R534 R535 C636 C633 C634 88 R628 W687 C635 Y604 W638 R640 W686 W653 R123 R124 R687 R688 55 R764 R765 R766 R767 R775 R804 R805 R856 R858 R859 R860 R939 R942 R943 S401 SF10...

Page 53: ...R ULTRA VL MODE TV REAL DISP W 35 W 36 W 37 W 38 W 39 W 40 W 41 W 42 W 43 W 44 W 45 W 46 W 47 W 48 W 49 W 50 W 51 W 52 W 53 W 54 W 55 W 56 W 57 W 58 W 59 W 60 W 61 W 62 W 63 W 64 W 65 W 66 W 67 W 68 W 69 W 70 W 71 W 72 W 73 W 74 W 75 W 76 W 77 W 78 W 79 W 80 W 81 W 82 W 83 W 84 A 8 A 4 A 3 A 2 A 1 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 100 101 102 103 104 105 106 1...

Page 54: ...ER ULTRA VL MODE TV REAL DISP W 35 W 36 W 37 W 38 W 39 W 40 W 41 W 42 W 43 W 44 W 45 W 46 W 47 W 48 W 49 W 50 W 51 W 52 W 53 W 54 W 55 W 56 W 57 W 58 W 59 W 60 W 61 W 62 W 63 W 64 W 65 W 66 W 67 W 68 W 69 W 70 W 71 W 72 W 73 W 74 W 75 W 76 W 77 W 78 W 79 W 80 W 81 W 82 W 83 W 84 A 8 A 4 A 3 A 2 A 1 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 100 101 102 103 104 105 106 ...

Page 55: ...2 WPC Printed in Japan JVC SERVICE ENGINEERING COMPANY OF AMERICA DIVISION OF JVC AMERICAS CORP www jvcservice com US Only JVC CANADA INC Head office 21 Finchdene Square Scarborough Ontario M1X 1A7 416 293 1311 ...

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