Aiwa VX-D2120 Service Manual Download | Manualshive

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PRINTED CIRCUIT BOARDS

I-7

IF

SYSCON

C1057

C1053_1

R1063

Q1016

R1093

C1065

C1068

R1095

R1013

C1034

Q1015

R1059

C1067

R1094

R1092

C1055

C1030

C1075

C1076

Q1020

C1069

C1035

C1038

IC1003

C1008

R1046

R1047

R1027

C1019

C1015

C1018

R1022

C1022

R1021

Q1002

R1090

Q1014

R1049

C1014

R1015

R1051

R1058

R1087

R1064

C1047

R1066

C1009

R1010

C1066

C1026

C1028

C1017

R1034

R1035

R1031

C1025

R1040

R1048

C1024

R1032

R1001

C1041

R1012

C1007

R1014

C1006

R1007

C1061

R1017

C1010

R1020

IC1006

Q4201

C1042

R1086

R1029

Q1006

R1065

R1069

R1055

R1067

R1006

R1009

R1003

C1027

C1054

C1002

Q1021

C4002

C4004

C4005

C4006

C4007

C4010

C4013

C4014_1

C4016

C4018

C4019

C4020

C4023

C4025

C4026

C4027

C4028

C4032

C4037

C4038

C4042

C4043

C4044

C4045

C4046

C4047

C4052

C4053

C4054

C4056

C4058

C4059

C4061

C4062

C4063

C4064

C4067

C4068

C4070

C4072

C4075

C4076

C4080

C4082

C4083

C4087

C4089

C4090

C4095

C4097

C4098

C4099

C4100

C4115

IC4001

IC4002

Q4003

Q4006

Q4015

R4001

R4002

R4004

R4005

R4013

R4012

R4014

R4015

R4022

R4023

R4025

R4026

R4029

R4030

R4031

R4032

R4033

R4034

R4035

R4040

R4041

R4042

R4043

R4045

R4046

R4047

R4050

R4051

R4056

C4096

C4093

C893

Q853

R853

R910

R854

R862

R911

R856

R880

R918

C861

R851

Q855

Q852

Q851

R900

R903

R904

R896

R902

R865

R897

C866

C855

C859

C851

C853

C888

R860

C887

C890

C886

C869

C868

C889

C876

R882

R4017

C4086

R4011

R4057

R1033

C1071

R1002

R1011

C1005

C862

R1043

Q1024

Q1023

Q1022

R1080

Q862

R879

R1073

R1072

C1060

C1059

R1071

R1053

R1054

R1070

C1058

C4201

C4203

C4204

R1101

C1070

C4060

R1037

C366

C604

C606

C608

C614

C621

C622

C623

C624

C625

C626

C630

C631

C633

C638

C639

C640

C641

C644

C646

C652

C654

C655

C657

C659

C663

C668

C670

C673

C702

C1074

C4502

C4503

C4505

C4515

C4516

C4517

C4527

C4530

Q351

Q601

Q701

Q863

Q4501

Q4502

Q4507

Q4509

Q4505

R607

R608

R609

R610

R616

R617

R618

R619

R622

R623

R625

R627

R630

R632

R634

R637

R638

R640

R642

R644

R645

R647

R648

R649

R651

R652

R654

R657

R701

R708

R704

R706

R861

R863

R864

R866

R867

R868

R869

R870

R871

R889

R1096

R1097

R1099

R4501

R4502

R4505

R4506

R4508

R4512 R4514

R4516

R4518

R4519

R4520

R4521

R4522

R4523

R4525

R4528

R4532

R4539

R1100

R1038

R359

Q703

Q702

C4048

R605

C4003

C1011

R1085

C1031

R612

C1023

Q861

R606

R1061

Q604

Q605

R1060

R615

R1091

R1102

L609

R4010

Q4508

R4504

B4501

Q4504

R4503

C4012

R703

C648

R1082

R1081

C679

R641

R709

C4206

C1043

C703

C709

C680

C683

C682

C681

C1049

R659

R658

Q353 Q352

R354

R1057

Q1007

R1104

R881

R702

C4035

C667

Q4510

R4510

R4540

R1105

C689

R705

C619

C4508

C4079

C694

R1111

W400

W401

W402

W403

R677

R1109

C695

C4511

C4207

C885

C4111

R4066

R4515

R1026

R1008

R1004

R1110

R4073

W399

R1077

R1018

C611

W943

W939

W845

W920

W926

C645

W944

R905

W928

R1044

R1045

C602

C363

R314

C601

C1044

R613

R315

W953 W952

R4202

C671

R4036

S811X

S811Y

Q612

Q611

W956

W957

R711

S819X

S819Y

W807

Q613

C1050

C4103

R6003

R6028

C6006

C6010

C6007

C6023

R6025

R6022

R6004

R6027

R6024

C6022

C6001

C6005

R6011

R6020

C6013

R6021

C6015

R6013

W010

C6019

W008

R6002

R6016

W811

W803

W804

W806

W819

R6014

C6009

1

29

57

85

1

31

51

81

CP755

IC1001

R1005

C1036

IC1099

L1001

W307

C1020

D1006

D1010

C1016

C1021

D1002

IC1002

C1003

W330

X1002

X1001

W241

C1013

W169

D4202

W306

W203

D1008

W331

W332

W202

W207

W327

W318

W234

C1001

C1037

R1068

CD810

CP1005_1

CP1006

R1088

C1046

W212

W148

W206

W243

W824

W244

W235

W224

R1083

W304

W305

D1017

D1018

D1016

D1015

W233

W321

W236

W315

W322

W324

W308

W208

W325

R1042

R1019

R1016

W226

W320

W319

W317

W223

W312

W220

W221

W242

W230

W240

C1029

C1040

W311

W204

W153

W333

W146

W171

W173

W147

C4015

C4017

C4024

C4039

C4040

C4041

C4049

C4050

C4051

C4055

C4057

C4069

C4071

C4073

C4088

C4078

C4085

C4074

C4091

C4092

C4116

CP354

C

P

4

0

0

4

CP4005

CP4001_1

L4003

L4004

L4005

L4006

L4007

L4010

L4011

L4012

L4013

L4015

L4016

Q1001

Q4001

Q4002

Q4004

R4003

R4008

R4021

R4049

SW1001

W200

W199

W174

W096

W099

W098

W192

W190

W250

W249

W269

W280

W268

W267

Q4005

X851

W848

C863

C895

C857

C874

C872

C867

B851

C856

L852

C852

IC851

W847

C865

W853

L856

IC852

R876

R877

L4001

W278

W177

R4028

W180

C894

D4001

W175

W176

W300

W302

W303

D4002

W284

C4009_1

L4009

C4084

W246

W163

W313

W165

W172

C

P10

04

W237

W179

W183

W256

W285

W219

W355

W229

W228

W227

W262

W341

W344

W340

W274

W314

W254

W251

R1039

W349

W260

W347

W884

R878

W326

W336

W358

W360

Q1005

W247

W277

W337

W876

W857

W878

W145

W150

W880

W814

R1074

W166

CD1002

W855

TP1001

W361

W152

W271

W187

ANT601

B4502

C351

C352

C353

C354

C356

C368

C605

C613

C620

C628

C629

C632

C634

C635

C642

C647

C650

C656

C660

C662

C704

C705

C707

C708

C711

C881

C882

C883

C1072

C4501

C4504

C4506

C4509

C4514

C4543

CD820

CD850_1

CF603

CF604

CP603

D601

D602

D603

D604

D702

D852

D855

D856

D857

D858

D859

D860

D861

D4501

D4502

D4503

D4505

D4506

D4507

D4508

IC352

IC602

IC701

IC853

IC4502

J4501

L602

L605

L4501

L4502

L4504

L4506

Q603

Q607

R353

R604

R629

R643

R650

R4507

R4524

TU602

TU601_1

W818

W833

W843

W859

W864

W006

W057

W058

W011

W010

W007

W067

W009

W064

W065

W018

W047

W050

W093

W091

W040

W095

W090

W030

W031

W036

W049

W053

W055

W023

W124

W088

W025

W108

W113

W116

W051

W138

W024

W052

W035

W122

W115

W016

W020

W117

W085

W026

W019

W004

W043

W017

C4513

L1002

W077

W076

W074

W071

W106

C884

W032

W070

W072

L616

W038

W132

C1004

W042

SH601

W158

W356

W189

W350

W184

W170

W160

W351

W342

W353

W354

W164

W156

W162

W056

W141

W130

W131

W002

W013

W003

C637

W061

W295

W299

W215

W264

W218

W216

W261

W259

W217

W059

W154

W046

W810

W054

C4036

W811

C1033

L1003

W339

W334

D1004

W338

W186

W083

W194

W015

D703

TP4001

TP4002

Q4020

CP6001

C4001

TP601

W045

D1001

Q1003

Q1009

W211

C4011

X604

X4001

W335

W812

W133

W362

C4525

C4077

W867

W109

W345

W346

W363

R1084

W894

W365

C4521

W110

R4007

W366

W367

W263

W213

W257

W368

W205

W369

W904

C678

TP602

W112

W222

W225

W231

W239

W238

W373

D607

W155

W911

L4002

W384

W248

C1073

D1005

R1079

R1050

W275

R660

CP605

W379

W374

W376

W375

W377

R4058

W081

W151

Q1019

R611

R1103

Q1008

W082

W086

W386

TP4501

W078

D1007

W383

W142

W388

W390

D802

W391

W068

W392

W393

C1048

W329

W364

D801

W005

W134

C873

B603

W813

CF601

W111

W394

C710

CP351

W288

W289

W139

W196

W195

W193

W395

D1009

W357

C1032

W396

W915

W918

C854

C653

C1062

C627_1

D1011

W404

W405

W406

W937

R4044

W931

W929

CD1001

R4065

W938

W923

W933

W917

R4513

W407

W408

W409

W044

W410

L606

D701

D1003

W041

W378

W125

W309

W903

C706_1

D1020

W806

W910

D1021

W908

W891

W871

W907

R678

W925

W936

W919

W916

W868

W870

W861

W823

W820

R679

W834

W905

W935

W851

W850

W886

W892

C664

R4016

C4031

W942

D1019

C616

W948

D609

S806Y

S806X

S807X

S807Y

D1012

R1112

R1113

D610

D608

S805Y

S805X

S809X

S809Y

S813Y

S813X

S814X

S814Y

S808Y

S808X

S816X

S816Y

S817X

S817Y

L701

W958

S818Y

S818X

C714

R1115

S821X

S821Y

S815Y

S815X

S820Y

S820X

HS351

R4067

L4021

Q6001

IC6001

C6004

C6003_1

R6023

Q6005

C6011

CF6005

L6007

L6011

L6001

CF6008

CF6001

CF6002

L6006

R6001_1

W001

W009

C6014

C6002

R6019

W003

W005

W004

CP6001_2

C6028

L6003

L6008

CF6007

C6029

W821

W816

W817

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Summary of Contents for VX-D2120

Page 1: ...NTSC playback SP only 33 35 mm sec PAL SP 5 hours max with E 300 tape LP 10 hours max with E 300 tape NTSC playback SP only 3 hours 30 minutes max with T 210 tape 1 0Vp p 75 ohm unbalanced 1 0Vp p 75...

Page 2: ...CUIT BOARDS OPERATION FRONT JACK DECK OPERATION SCHEMATIC DIAGRAM FRONT JACK SCHEMATIC DIAGRAM DECK SCHEMATIC DIAGRAM PRINTED CIRCUIT BOARDS SYSCON IF Y C AUDIO HEAD AMP SCHEMATIC DIAGRAM MICON SCHEMA...

Page 3: ...a tube or tape for safety or which are assembled in the condition that these do not contact with the printed board The inside wiring is designed not to get closer to the pyrogenic parts and high volta...

Page 4: ...AC SOURCE Fig 1 4 Fig 1 1 Front Cabinet 1 1 2 2 2 2 3 3 Back Cabinet 4 1 2 3 4 5 Remove the 2 screws 1 Remove the 4 screws 2 Remove the 2 screws 3 which are used for holding the Back Cabinet Remove t...

Page 5: ...o Fig 1 5 1 2 3 4 5 6 Remove the 2 screws 1 Remove the 4 screws 2 Remove the screw 3 Remove the Deck Shield Plate in the direction of arrow A Remove the screw 4 Remove the Shield Plate Bottom in the d...

Page 6: ...assis Main Chassis Cassette Side L Cassette Side R Locker R Fig 2 4 2 5 CASSETTE SIDE L R Refer to Fig 2 5 Unlock the 4 supports 1 and then remove the Cassette Side L R 1 Screw Torque 5 0 5kgf cm B2 1...

Page 7: ...and Ass y Unlock the support 3 and remove the Tension Holder Remove the SS Brake Spring Remove the SS Arm Brake 1 2 3 4 5 6 7 8 1 2 1 Loading Motor Ass y Link Lever Main Chassis Screw Torque 5 0 5kgf...

Page 8: ...Spring Remove the screw 1 Unlock the 2 supports 2 and remove the Cassette Opener Remove the Pinch Roller Block Pinch Roller Arm Spring Pinch Roller Lever Ass y and P5 3 Arm Ass y 1 2 3 4 1 2 2 P5 Spri...

Page 9: ...tan DD Unit 1 2 3 Screw Torque 5 0 5kgf cm Fig 2 16 2 17 MIDDLE GEAR MAIN CAM Refer to Fig 2 17 A Remove the Polyslider Washer 1 then remove the Middle Gear Remove the E Ring then remove the Main Cam...

Page 10: ...e the Loading Gear Spring 2 When you install the Clutch Actuator install as shown in the circle of Fig 2 19 C Refer to Fig 2 19 C Fig 2 19 C Clutch Actuator NOTE Do not touch the roller of Guide Rolle...

Page 11: ...p up the sides of the Rubber Cap in the direction of the arrow and remove one side of the support Refer to Fig 3 2 2 GND on the CRT Screwdriver Alligator Clip Support CRT GND on the CRT Rubber Cap CRT...

Page 12: ...op Frequency Generator Front Loading Switch Frequency Modulation Frequency Sub Carrier Forward Generator Ground High Pass Filter I K L M N O P R S H SW Hz IC IF IND INV KIL L LED LIMIT AMP LM LDM LP L...

Page 13: ...or Separation Transistor Tracking Trick Playback Test Point Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse Voltage Display Video Playback Variable Resistor...

Page 14: ...on the screen NOTE Turn off the power to return to the normal operation POWER ON total hours and PLAY REC total hours are displayed on the screen Refer to the PREVENTIVE CHECKS AND SERVICE INTERVALS C...

Page 15: ...d parts which the rubber touches Replace when rolling becomes abnormal Clean the Head CONFIRMATION OF USING HOURS POWER ON total hours and PLAY REC total hours can be checked on the screen Total hours...

Page 16: ...lly Clean the full erase head in the same manner Refer to the figure below Audio Control Head 2 TAPE RUNNING SYSTEM When cleaning the tape transport system use the gauze moistened with isopropyl alcoh...

Page 17: ...ADDRESS until required ADDRESS to be changed is reached Press ENTER to select DATA When DATA is selected it will blink Again step through the DATA using PLAY or STOP button until required DATA value...

Page 18: ...ent JG153 X Value Adjustment JG022 JG024A Reel Disk Height Adjustment Used to connect the Syscon PCB and CRT PCB JG162Y JG162C JG162D Used to connect the Syscon PCB and Main PCB Used to connect the te...

Page 19: ...nect the Syscon PCB to the CRT PCB with the cable JG162Y Remove the Operation PCB from the set then connect it with the Syscon PCB If necessary connect CP351 Front A V Jack Input Terminal Short circui...

Page 20: ...on Main PCB It s possible to get the Servicing Position without the extension Jig if you arrange the unit as shown below But L503 connection can not be done Degauss circuit will not operate Be carefu...

Page 21: ...rve the chroma signal There are two types of the new alignment tape CH 1B for NTSC and CH 2 for PAL On each tape four signals 1 4 are recorded for the times and in the order shown below The TTV MP1 fo...

Page 22: ...ght Adjustment Jig JG024A A Cut Position Fig 1 2 B B Tension Adjust 1 3 CONFIRMATION OF PLAYBACK TORQUE AND BACK TENSION TORQUE DURING PLAYBACK Load a video tape E 180 recorded in standard speed mode...

Page 23: ...is adjusted precisely at the factory Adjustment is not necessary as usual When you replace the parts of the tape running mechanism because of long term usage or failure the confirmation and adjustment...

Page 24: ...tle distortion is appeared then adjust the a Reflected picture of Stamp Mark Stamp Mark Audio Control Head P4 Post Fig 2 2 A Audio Control Head 1 3 2 Fig 2 2 B Tape Audio Control Head Fig 2 2 C 0 25 0...

Page 25: ...NTS 3 MECHANISM ADJUSTMENT PARTS LOCATION GUIDE 5 6 7 8 9 10 1 2 3 4 1 Tension Adjust 2 Tension Arm 3 Guide Roller 4 P1 Post 5 Audio Control Head 6 7 8 9 10 X value adjustment driver hole P4 Post T Br...

Page 26: ...lace the set with Aging Test for more than 10 minutes Connect the oscillator 39 5MHz to TP602 Connect the digital voltmeter between the pin 6 of CP603 and the pin 1 GND of CP603 Activate the adjustmen...

Page 27: ...the display Press the channel button 5 on the remote control to select CUT OFF Adjust the Screen Volume until a dim raster is obtained 1 2 3 4 5 6 7 8 9 Place the set with Aging Test for more than 15...

Page 28: ...ss the PLAY or STOP button on the remote control until the second scale from left end is starting to glitter Refer to Fig 2 7 Receive more than 8 steps monochrome pattern Audio Video Input Press the A...

Page 29: ...l to select PICTURE The Fig 2 6 appears on the display Press the channel button 5 on the remote control to select SHARPNESS Check if the step No of SHARPNESS is 32 Press the AV button on the remote co...

Page 30: ...ELECTRICAL ADJUSTMENTS D2 5 3 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE VCR SECTION TP1001 C1003 TP4501 TU601 TU602 TP602 TP601 CP603 TP4001 TP4002 SYSCON PCB IF PCB L6006 CP6001 IC6001 J4501...

Page 31: ...ELECTRICAL ADJUSTMENTS D2 6 TV SECTION MAIN PCB FB401 FOCUS VOLUME SCREEN VOLUME VR502 CRT PCB TP801 TP401 T501 J801...

Page 32: ...performing adjustments in section 4 1 1 2 3 4 5 Receive the green raster pattern from color bar generator Adjust the pair of purity magnets to center the color on the screen Adjust the pair of purity...

Page 33: ...tage of C507 is it normal NO YES YES NO Investigate R501 and F501 Whether there is output for IC501 3rd pin or not Investigate IC506 and IC501 Investigate T501 NO NO NO NO NO YES YES YES YES Whether i...

Page 34: ...0MHz OSC for IC1006 67th pin and 68th pin or not Investigate X1001 Is there 135V in the emitter of Q503 Is the 5V for IC602 48th pin or not Investigate Q1006 and Q1019 Investigate IC602 Is there a hea...

Page 35: ...to IC701 1st pin or not Investigate IC701 peripheral circui Does a signal change at a volume upgrade knock down or not Investigate IC1006 28th pin Is the voltage of IC352 1st pin DC 8 3V or not Inves...

Page 36: ...14th pin normal or not YES YES Investigate X604 Investigate IC851 and IC853 NO Whether is wave form of IC851 3rd pin normal or not YES Investigate IC602 and IC701 Investigate Q804 Q805 Q806 and a per...

Page 37: ...5V line Whether is a luminance signal early in IC602 34th pin or not Investigate IC602 YES NO Whether is a luminance signal early in IC4001 52th pin or not Investigate IC4001 YES NO YES R G B signal o...

Page 38: ...e wave form of the 21st pin and the 22nd pin of IC1006 is investigated Q1014 and also Q1015 are investigated The wave form of the 10th pin 11th pin and 12th pin of IC602 normal Investigate the circuit...

Page 39: ...nsert a cassette and push PLAY button No Yes No Yes Does Playback change to Stop about 6 seconds later Check IC1006 Check TAPE LOADING CAPSTAN DD UNIT and CYLINDER UNIT Check REEL SENSOR and CAPSTAN B...

Page 40: ...here VIDEO signal at pin 52 of IC4001 Check C4035 and the peripheral circuit Yes Is there voltage at pins 12 36 and 61of IC4001 5V Check C4075 R4050 and the peripheral circuit Check R4040 Q4006 or Rep...

Page 41: ...in 61 of IC4001 Yes Check TV Block Check IC4001 Check C4075 R4050 and the peripheral circuit Check L4013 or Replace IC4001 Does FM ENVELOPE appear at TP4002 Check R4040 Q4006 and peripheral circuit Do...

Page 42: ...o No Yes Replace IC4001 Check pin 52 of IC4001 and peripheral circuit Is there CHROMA signal at pin 55 of IC4001 200mVp p Replace CYLINDER UNIT Is VIDEO waveform at pin 52 of IC4001 1Vp p and are ther...

Page 43: ...HOOTING GUIDE E 11 NO COLOR DURING SELF RECORDING AND PLAYBACK Yes No Check J4501 J701 and VIDEO input circuit Refer to section NO COLOR DURING PLAYBACK Does VCR signal appear at pin 31 or 30 or 28 of...

Page 44: ...MODE Does Audio appear at pin 11 of IC4001 Check L4001 Q4007 and peripheral circuit Check AUDIO HEAD for debris of stains Check that the connector from AUDIO HEAD is fully inserted to CP4005 Does Audi...

Page 45: ...8 of CP1004 5V No No Yes In playback is the voltage at pin 4 of CP1004 2 5V In playback check the voltage at pin 3 of CP1004 is 2V or at pin 38 of IC1006 is normal In playback is the voltage at pin 5...

Page 46: ...peripheral circuit No Yes Check POWER BLOCK Yes No Is there AUDIO signal at pins 7 or 8 or 9 of IC4001 AUDIO CAN NOT BE RECORDED Is there BIAS at pin 4 of IC4001 Check the circuit of 21 PIN and TUNER...

Page 47: ...E 15 CASSETTE IN AND DOWN BUT UNIT HAS NO FUNCTIONS No Yes Check LOADING MOTOR and the peripheral parts Does VCR operate with the remote control Yes No Check IC1006 Check CONTROL PCB Does mode indica...

Page 48: ...DEO input jack to IC4001 and from Tuner Pack to IC4001 Yes No Does video signal appear at pin 28 or 30 or 31 of IC4001 No Yes Check the peripheral circuit IC4001 Check C4027 C4028 and the peripheral c...

Page 49: ...E E 17 NO E E NO VIDEO AND AUDIO FROM TUNER Yes No Yes Check Power PCB Is the voltage at pin 7 of TU601 5V Yes No Check IC601 Is the voltage at pin 9 of TU601 30V No Is there waveform at pins 4 and 5...

Page 50: ...C1006 Yes No No Yes In playback is the voltage at pin 5 of CP1005 about DC1 2V CYLINDER NOT ROTATING DURING PLAYBACK AND RECORDING Check CYLINDER MOTOR Is the voltage at pin 2 of CP1005 about DC12V Ch...

Page 51: ...AUDIO HEAD scratched Replace AUDIO HEAD Replace CAPSTAN DD MOTOR Check peripheral components of IC1006 No Yes Yes No No Yes Does pin 8 of IC1006 output a 3 0Vp p square wave In playback is the voltage...

Page 52: ...LOADING BLOCK activate Check WORM GEAR of CASSETTE LOADING BLOCK Check EOT BOT PHOTO SENSOR pins 17 and 18 of IC1006 When a cassette is inserted is the voltage between pins 3 and 4 of CP1006 Replace L...

Page 53: ...e EOT PHOTO TRANSISTORS Check R1026 circuit Does this same problem appear when using another cassette tape When inserting a cassette does Emitter of EOT return to LOW Defective CASSETTE or CASSETTE LO...

Page 54: ...No Check pin 72 of IC1006 lines Replace IC1006 No Yes Check pin 7 of CP1004 and peripheal circuit When the FF REW is pushed does the PULSE appear at pin 72 of IC1006 Is the voltage change at pin 7 of...

Page 55: ...Yes Check Power circuit Replace CYLINDER UNIT No No Yes Yes Replace IC1006 Yes No Check REEL SENSOR Does TP4001 feed HEAD SWITCHING PULSE signal 30Hz Is the voltage at pin 2 of CP1005 UNREG 12V Does P...

Page 56: ...oise appear in the picture No No Yes By adjusting the manual tracking UP DOWN buttons will the noise disappear in the picture Check P B ENVELOPE No Yes Are GUIDE POSTS the right height Adjust GUIDE PO...

Page 57: ...ONTALLY AUTO TRACKING DOES NOT OPERATE By manual tracking does the DC level at pin 19 of IC1006 change Yes No In auto tracking is the voltage at pin 19 of IC1006 more than DC0 7V Yes No Replace IC1006...

Page 58: ...MOTOR rotate Refer to section CAPSTAN DD MOTOR NOT ROTATING Is CAPSTAN BELT normal Yes No Replace CAPSTAN BELT Yes No Does REEL SENSOR PULSE signal appear at pin 32 of IC1006 Check Reel Sensor of Q100...

Page 59: ...IC1006 Yes No Replace CYLINDER MOTOR Replace CYLINDER MOTOR Does pin 108 of IC1006 output a 5Vp p square wave In playback is the voltage at pin 5 of CP1005 about 1 2V PLAYBACK PICTURE SHAKES Is FG Pu...

Page 60: ...input 22 ANB KEY_B IN 23 AVSS AVSS Ground 24 P50 FF REW L OUT Not used 25 P51 LDM_RVS OUT Output signal to control the rotation direction of the loading motor 26 P52 LDM_FWD OUT 27 P53 AKB CTL OUT Out...

Page 61: ...low signal input 63 NMI NMI AT 5 V 64 X2 X2 OUT Subclock pluse 32 768KHz 65 X1 X1 IN Subclock pluse 32 768KHz 66 RES RES IN RESET will be done when the voltage goes to HIGH after the restart signal 67...

Page 62: ...terminal control for T REC LED voltage drive 97 P87 REC LED OUT Output terminal control for REC LED voltage drive 98 C SYNC C SYNC IN Input terminal for composite C SYNC 99 AUDIO FF Hi Fi_H SW OUT Ou...

Page 63: ...MING CHART IC1006 OEC0085B F2 1 CH 1 CH 2 DPG 107 PIN DFG 108 PIN H SW P 100 PIN V SYNC E E 98 PIN REC CTL REC 6 PIN V SYNC TRICK PB 110 PIN WAVEFORM CHANGES DEPENDED ON THE TAPE SPEED 0 1 2 12 0 23 1...

Page 64: ...MECHANICAL MOVEMENT NO CAPSTAN ROTATING R SLOW LIGHT GUARD LIGHT RECEIVING EOT BOT MSSEN A MSSEN B LOADING ARM PINCH ROLLER LIGHT RECEIVING LIGHT GUARD LIGHT RECEIVING LIGHT GUARD LIGHT GUARD L T BRAK...

Page 65: ...J G3 MTZJ6 8B T 77 RD12FB T7 RU2AM V1 SB10 03A3 RU2YX V1 IC 16PIN 20PIN 24PIN 100PIN 8PIN 24PIN TC74HC4053AP ET317 LA7567B HA118217F S 24C08ADPA 01 LC74772V 22PIN 28PIN 112PIN LC74793 JM M52472P ET106...

Page 66: ...A DTC114TSTP 2SA733 C T P Q 2SB892 S T AE 2SC1815Y TPE2 2SC2274 AA 2SC2909 S T AA 2SC3000 AA 2SC945 C T P Q 2SD734 E F AA RPI 352Q01R 2SD2499 DTA124EKAT146 DTC114ESTP 2SA1037AKT146R S DTC114EKAT146 2S...

Page 67: ...IL DC 3 3 AT 5 6V AT 30V 2 CHROMA IC602 NN5099 14 X604 4 433619MHz 39 34 30 19 18 51 23 2 22 46 4 52 42 10 11 5 6 8 7 TINT VCO RGB MATRIX DRIVE CUT OFF OSD SW CLAMP APC ACC H SYNC SEP SW FM DET SPLL B...

Page 68: ...EMPH NL DE EMPH MAIN EMPH CARRIER OFFSET W C DC F0 DEV ADJ S DET Q4006 BUFFER 88 87 89 86 H AMP 8 7 REC MUTE LINE MUTE ENV DET L4001 15 6KHz TRAP L4005 1 3 6 Q4004 Q4005 FE HEAD 4 ENV DET H SW MICON O...

Page 69: ...R_H 85 VCR_MUTE VCR_A_MUTE 100 VIDEO H SW H SW 34 TUNER_MUTE TU_AUDIO_MUTE_H 60 REMOCON 3 2 1 OS753 AT 5V D793 D791 D792 P CON 5V_C POWER ON SW Q4201 19 TUNER_AGC 13 V ENV AGC_M ENV_DET 7 6 CS SCLK 8...

Page 70: ...6 1 5 3 7 22 20 19 21 2 6 1 3 J4501 8 7 11 16 20 15 19 Q4509 AMP Q4505 MUTE SW Q4507 PERI SW Q4504 Q4508 Y SW REC_TU_AU1 REC_TU_V SDA DEC_TU_SW SCL Y C_VIDEO_OUT TU_AUDIO TU_VIDEO REAR_VIDEO MONITOR_...

Page 71: ...TB OSC1 5 6 OSC2 X851 13875KHz 12 TCLK 19 SYNC 17 WIND SSIG 2 1 TSIG 3 CSIG Q855 RED BUFFER Q852 GREEN BUFFER Q851 BLUE BUFFER Q862 BLK BUFFER 1 2 3 4 5 12 11 10 MONITOR_V 21_G 21_B 21_R 21_Y SCL SDA...

Page 72: ...SW796 SW797 D793 D795 OS753 R794 R760 R754 R758 C751 C755 R761 W817 R780 R777 R776 W004 C779 R759 R771 R772 R773 R774 C752 C781 W807 W813 J701_1 R380 R381 J351 W001 W002 D792 D791 D794 R753 W003 W806...

Page 73: ...71 1K R772 1 5K R794 270 R761 270 R758 270 R752 100 1 2W R774 5 6K R773 2 7K R753 270 R754 270 D794 EQ 552 F1T ON TIMER ST BY D795 EM 553 F1T PLAY BACK D791 EQ 552 F1T T REC D793 EQ 552 F1T REC OTR OF...

Page 74: ...S DECRITES DANGEREUSES AN POINT DE VUE SECURITE ETANT LES PIECES REPAREES PAR UN ATTENTION C707 0 0022 M C385 0 001 B C386 0 001 B W811 W820 W813 W806 W803 W816 R381 220 1 2W R380 220 1 2W OF PRINTING...

Page 75: ...MARKED BY CAUTION DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT T...

Page 76: ...Q862 R879 R1073 R1072 C1060 C1059 R1071 R1053 R1054 R1070 C1058 C4201 C4203 C4204 R1101 C1070 C4060 R1037 C366 C604 C606 C608 C614 C621 C622 C623 C624 C625 C626 C630 C631 C633 C638 C639 C640 C641 C644...

Page 77: ...U602 TU601_1 W818 W833 W843 W859 W864 W006 W057 W058 W011 W010 W007 W067 W009 W064 W065 W018 W047 W050 W093 W091 W040 W095 W090 W030 W031 W036 W049 W053 W055 W023 W124 W088 W025 W108 W113 W116 W051 W1...

Page 78: ...8 D1016 D1015 W233 W321 W236 W315 W322 W324 W308 W208 W325 R1042 R1019 R1016 W226 W320 W319 W317 W223 W312 W220 W221 W242 W230 W240 C1029 C1040 W311 W204 W153 W333 W146 W171 W173 W147 C4015 C4017 C402...

Page 79: ...91 92 93 94 95 96 97 98 99 X4001 4 433619MHz CP4004 TMC T02X E1 1 2 CP4005 52045 0645 1 2 3 4 5 6 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME...

Page 80: ...F PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CAUTION DIGITAL TRANSISTOR AT 5 6V GND VCR_POWER_H RESET SVL_M IF_MOD SEN_LED CAP_F R MO_SYNC TV_A...

Page 81: ...10V KA C662 2 2 50V KA C656 220 10V YK C605 1 50V KA C653 47 10V KA C642 47 16V KA C650 10 16V KA L609 2 7uH L606 1 2uH X604 4 433619MHz CF603 MKT41 5MA110P CF604 MKT31 5MA110P OF PRINTING AND SUBJEC...

Page 82: ...1 F C4543 1 F C4514 47 16V KA C4506 47 16V KA C4501 10 16V KA CP605 8283_0412_00_000 1 2 3 4 L4504 10uH OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT T...

Page 83: ...C1049 0 1 B C703 0 1 B C709 0 1 B OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CAUTION DIGITAL TRANSISTOR S806Y S806X S807Y S807X S818X S818Y...

Page 84: ...S PAR UN ATTENTION Q353 DTC114EK SW W813 W834 W810 W812 W948 Q352 2SC2412K SW Q351 2SC2412K MUTE C353 1000 16V YK C354 1000 16V YK C368 1000 16V YK C351 22 16V KA C352 10 16V KA R354 2 7K R315 390 R11...

Page 85: ...2 2K R881 220 R905 10K R877 100 1 4W R878 6 8K 1 4W R882 220 R869 12K R866 12K R871 12K R864 1K R868 1K R879 1K R861 12K R863 1K R867 12K R911 150K R870 12K C876 0 022 B C868 0 022 B C862 0 1 B C859...

Page 86: ...100K R6023 100 R6020 330 R6001_1 560 1 4W R6019 330 L6006 360K042 1 2 3 4 6 Q6005 2SC3000 PRE AMP Q6001 2SA608KF NP BUFFER W817 W816 W811 W804 W821 W803 W806 W819 OUTOUT G IN IN CF6002 SAF39 5MZL220ZL...

Page 87: ...D503 D501 TH501 R518 R 5 0 5 CP501 D519 D512 W022 W015 CP401 Q502 W031 C423 R503 R506 D518 RY501 R553 Q503 CP803A HS503 HS501 W010 C 5 0 7 W810 W001 W005 C540 C512 D401 R535 D505 W017 W018 W021 R456 W...

Page 88: ...0 1 100V TF C411 0 47 100V TF C450 0 001 2KV BP C409 0 0022 M C430 0 001 2KV BP C417 560P 500V B C432 0 47 100V TF C418_1 1 160V MHE C421_1 1000 35V MHE OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTI...

Page 89: ...09N D507 RU2YX D525 EG 01C D517 1SS133 R543 680 1 2W F IC506 ON3171R FEED BACK 1 2 3 4 S102 S101 IC502 NJM7805FD 5V REG IC 1 2 3 IC504 NJM7812FA 12V REG IC 1 2 3 IC505 KIA7806PI 6V REG IC 1 2 3 CAUTIO...

Page 90: ...TING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DESCRIBED IN PARTS LIST ONLY CRITICAL FOR SAFETY USE ONES ARE SINCE THESE PARTS MARKED BY CAUTION DURING...

Page 91: ...OUT SOUND OUT SOUND GND GND FRONT VIDEO IN GND CP351 PCB340 BLUE BLUE BROWN BROWN NC NC NC H5002 F E HEAD ASS Y H5001 A C HEAD ASS Y 4 6 9 8 7 5 3 TU VIDEO NC NC NC NC NC NC NC NC TU602 TUNER PACK IF...

Page 92: ...R TV POWER Y C AUDIO HEAD AMP 10 REC 0 5V 10 s div 16 REC 0 5V 10 s div 17 REC 100mV 0 5ms div 18 REC 0 5V 0 5ms div 19 20 0V 2ms div 20 REC 20 0V 5 s div 23 REC 2 0V 1ms div 22 REC 2 0V 10ms div 21 R...

Page 93: ...2 REC 0 5V 0 5ms div 33 REC 0 5V 10 s div 34 REC 200mV 0 5ms div 35 REC 2V 20 s div 36 REC 0 5V 10 s div 21PIN IN OUT 37 REC 0 5V 0 5ms div 38 REC 0 5V 10 s div 39 REC 0 5V 0 5ms div 41 REC 0 5V 1ms d...

Page 94: ...0 CRT PCB 114 J801 147 147 139 PCB070 MAIN PCB 215 FB401 213 109 112 221 218 110 214 114 113 141 215 205 108 221 112 107 136 A 112 221 143 115 213 140 101 116 117 206 SP351 206 SP352 B 208 208 118 127...

Page 95: ...EXPLODED VIEW K1 2 A 133 206 206 207 134 212 204 204 204 B 135 131 220 111 216 144 144 216 115 PCB010 SYSCON PCB TU602 202 210 202 122 J4501 103 106 209 121 137 TU601 PCB350 IF PCB 148 142 150 ANT601...

Page 96: ...WP A01 060 GLASS LED 1 207 S1 072 308 040 UT2 3 8 1 208 S1 106 30A 440 UIT 3 14 11 120 S1 3WP A01 070 GUIDE REMOCON 1 209 S1 106 30A 220 SCREW TAP 3 12 2 121 SHIELD COVER 1 122 SHILED CASE 1 210 87 74...

Page 97: ...509 329 330 502 502 PCB550 DECK PCB ASS Y 303 AA AD AD AD AD AA AD AD AA AA AB AB AD AD BA AA 352 503 503 367 501 356 317 369 309 355 Applying positions AA AB AC AD and BA for the grease or oil are d...

Page 98: ...AA AA AD AD AA AA AA AA AA AC AA 307 354 326 327 322 513 350 308 337 AA 325 AD AA AD NOTE Applying positions AA AB AC AD and BA for the grease or oil are displayed for this section Check if the correc...

Page 99: ...Y S 1 513 S2 P18 450 5N0 PW CUT 1 8 4 5 0 5 1 322 S5 OA6 001 910 CAP BRAKE ASS Y S 1 514 S3 ETW 300 000 E RING 3 2 323 S5 OA9 002 130 LINK ASS Y 1 515 S1 0A1 265 040 SCREW WASHER A M2 6 5 3 324 S5 OA...

Page 100: ...S9 7U0 130 1B0 ZENER MTZJ13B C856 87 010 079 080 CAP E 100 6 3V D702 S9 7U0 130 1B0 ZENER MTZJ13B C857 87 010 112 080 CAP E 100 16V D703 S3 Z68 V10 000 ZENER MTZJ6 8B C863 87 010 379 080 CAP E 22 16V...

Page 101: ...Q701 89 110 372 080 TR 2SA1037AK L4011 87 003 282 010 COIL 12UH Q702 87 026 236 080 TR DTC124EK L4012 87 003 154 080 COIL 220UH Q703 87 026 236 080 TR DTC124EK L4013 S2 167 D10 1K0 COIL 100UH Q851 89...

Page 102: ...0 C531 87 015 997 080 CAP E 2200 16V C532 S5 EZT 247 1M0 CAP E 470 16V SWITCHES C536 S5 EZT 247 1M0 CAP E 470 16V C537 87 010 544 040 CAP E 0 1 50V SW750 S5 042 01T 310 SW TACT SKHVBED010 C538 S5 EZT...

Page 103: ...814 005 8W0 TRANS SWITCHING 8140058W COILS VARIABLE RESISTOR B351 S2 4AT 036 550 CORE BEADS BL01RN1 A63T6 B352 S2 4AT 036 550 CORE BEADS BL01RN1 A63T6 VR502 S1 263 L2B TC0 SFR RH063MCN2R07 B701 S2 4A...

Page 104: ...AP02TAR22M L6011 87 003 141 010 COIL 1 2UH FILTERS CF6001 S0 12T 6R0 120 FILTER CER SFSH6 0MCB TF21 CF6002 S0 22V 39R 520 FILTER SAW SAF39 5MZL220ZL CF6005 S0 12T 6R0 030 CER FLTR TPS6 0M CF6007 S0 12...

Page 105: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 JAPAN TEL 03 3827 3111 737004 Printed in Singapore...

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