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1

25

41

64

C4007

C4012_1

C4038

C4036

R4033

R4026

C4055

C4061

C4064

R4050

C4074

C4067

R4063

C4049

C4060

C4068

C4011_1

C4058

R4064

W322

R4030

R4025

C4022

R4029

R4001

R4018

R4053

R4002

R4054

R4020

C4072

C4073

R4010

R4007

R4055

R4009

R4056

R4008

R4006

C4001

C4002

C4006

C4010

R4012

W346

C4034

C4033

R4032

R4042

W345

R4052

R4043

R4047

C4056

C4045

R4044 W344

R4046

C4057

R4048

C4052

C4041

C4040_1

C4047

R4045

C4050

C4053

C4059

C4024

R4049

R4034

C4030

R4028

C4026

R4013

C4015

R4016

R4011

R4022

R4023

R4027

C178

R6401

R135

R133

W266

W375

W374

R1036

R1016
C1051

C1027

C1003

C1002

W308

R1077

W385

R1094

R1092

C4081_1

R1039

R1010

C1014

R166

R1078

C1012

W376

W389

R1044

C176

R169

W364

D131

W291

R1007

Q1002

C150

R187

R189

R1070

R1090

R1011

Q1051

R1046

W264

W896

C130

C6101

C1008

C1046

R1075

W283

C1053

R1083

C1050

C166

W178

C1048

R1038

R6309

R5020

R5023

C5021

R1047

R1091

C1030

C1047

R1025

C1024

C1017

R1029

R1028

R1031

R1033

R1023

R1034

R1035

C170

IC1001

R1066

W365

R1080

R1057

R1059 C1006

R1058

R126

R125

C132

C131

R128

R116

R118

Q106

W827

R129

R132

C104

C102

R105

R104

R103

R102

R108

R101

R181

R106

C109

C125

C107

C108

R121

R122

R123

R114

R115

C134

C133

R151

R150

R146

R147

C151

R157

R6311 R6312

R6310

R6307

R6308

R6306

R6109

R6110

R6305

Q6304

C6319

C6317

C6313

C6314

Q6104

IC6301

R1081

R117

R155

C6141

C6108

R631

R634

C608

R638

C615

R629

R656

W045

C605

C609

C613

R622

R658

C617

R627

W130

C630

C629

R639

C634

R643

R628

C632

R641

W835

W057

R630

W834

Q602

W140

W114

R5017
C5014
R5016

R5014

R5013

C5011_1

R5015

R5011

C5009

C5002

C5007

R5008

C5004 R5006

R5003

C5019

C5018_1

R5021

C5020

R5022

C5022

C1019

W109

R1004

W197

W196

R5002

R5001

R5007

R5005

R5010

C5008_1

R5004

R1015

C5029

W805

C5028

R5027

Q4015

Q4007

Q4005

Q4006

Q4004

Q4012

Q4009

Q4016

Q4001

Q4010

Q4011

Q4013

Q4017

Q1018

Q1017

C4076

R4036

C4077_1

R6116

Q6101

W270

R136

R156

R6502

Q6504

Q6502

Q6503

R6503

R6509

R6508

R6514

C6510

C6511

R6504

R6515

R6517

C6512

W132

W135

R624

R623

 C1032

R1096

Q1028

R1100

R1089

R1101

Q105

Q102

W075

C1005

R1052

R1003

C1001

R183

R124

C1004

R1012

C160

C161

R131

W347

W806

R4065

Q4018

R172

W859

R636

R4068

Q4021

W381

W350

R4069

Q4020

W873

R140

W298

R1005

D4002

R4067

W349

W133

W129

Q605

W278

R1093

R1095

R134

C4085

C145_1

Q361

Q107

R162

R4518

R4512

C4510

C4513

C4502

C4511

R4514

C6111

C6114

C6113

C6104

W882

W884

C6117

R6115

R141

R635

C119

C113

R110

W432

W431

W435

R163

R1002

W125

W924

W104

R351

W056

W054

W419

R666

R663

R1099

W058

W039

W047

C606

W064

W051

W050

D611

W052

D609

D610

W077 D608

Q611

W078

Q110

W081

C111

W262

Q111

W080

W437

W925

W356

W110

C6124

W359

Q1030

W096

R5026

C1022

Q612

R4505

R657

R662

W918

B1002

C5025

C4051_1

W398

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W935

C4091

C4092

C114

C6123

W005

W006

W847

W912

R669

W945

R165

D102

R4071

Q4023

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R6106

Q354

C4084

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R4070

W336

W438

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C1033

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C607

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W972

W031

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W297

C656

R654

R652

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R616

R610

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W472

W938

C1036

W086

W396

W807

W004

W991

W007

W019

W818

W124

W020

W993

W069

W423

W082

W107

W822

W821

W997

R1045

W090

R5018_1

C4089

C5005_1

R168

R4075

R4076

R4074

R4019

R4021

C4019

R4037
R4039

C1039

C1040

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W852

W861

W879

C4043

R4077

R674

R4078

W485

W716

W717

C4046_1

W810

W887

R670

W894

W891

W909

R671

W857

W970

W969

W832

W860

R6103

W844

B6105

W813

B6101

W886

W913

W843

W842

W902

W897

W943

W910

W917

W927

W907

W880

W812

W892

W906

W984

W941

W977

W957

W915

W855

W995

W996

W705

W700

W985

W833

Q358

W903

W849

W838

C6002_1

W489

W490

R1071

W491

R190

W492

W828

W908

W330

W323

S807Y

S807X

C4093

W971

C4096

W498

W499

W487

W720

C6121

W706

W482

W483

W484

W719

W718

W475

W962

Q4026

W724

W722

W493

W242

C117

C110

C653

Q604

R667

R649

W012

R4504

C5031

PRINTED CIRCUIT BOARDS

SYSCON

S805X

S805Y

S804X

S804Y

TU6001

SW1010

Q1053

D1001

CP1001

CY757

CP1002

CP4001

IC4001

W348

R4015

L4006

C4062

W395

W397

C4027

W325

W328

C4014

W321

C4020

W233

C4044

C4048

X4001

L4012

W341

W339

L4002

L4004_1

W342

L4008

L4005

L4013

L4001

W252

W390

W099

X1001

R4061

R186

R1043

R1020

R1019

R1018

R1017

D1004

C6316

W410

R1041

W413

R184

D706

W412

W246

W405

W407

W399

W404

W403

W386

W384

W382

W408

C1020

W406

W388

W372

W373

W371

W370

W409

C128

D119

CP6115

C5024

W169

W289

R1051

Q1052

C1060

R1006

D6007

W315

W205

W279

W181

W245

W310

W314

W215

D1009

C1025

C1026

W311

W334

W180

W183

IC6303

W176

C106

L102

W316

D1003

W288

D121

D1005

W195

C5016

L5001

PF5001

T5001

Q5004

W173

W167

X102

IC103

W161

W200

C118

R185

C127_2

W273

W272

W271

X101

W269

W268

C124

D120

W355

W354

IC101

C6315

C6149_1

C6312

CP810

Q1054

C3016

W255

CP850

CP820

C604

R617

L602

R620

R614

C602

C601

C614

C626

D606

L604

R645

C644

C646

IC601

W083

L603

D607

R642

W136

C622

C618

C624

X601

C628_1

C635

L605

C637

C636

R625

C638

C645

C647

D604

C610

C620

C625

IC5001

C5017

W185

W106

R1008

W111

W112

W165

D5001

W191

C5030

C5006

W802

C648

R355

Q351

C356

W164

C5010

Q353

R362

R358

D351

D352

C5023

W105

W103

W102

W225

W091

W088

C357

Q352

W361

W263

W275

W287

W338

W249

W155

W156

W141

W128

W029

C5026

W248

W117

W122

Q1029

R1097

Q1031

W023

W368

W369

W306

W187

W285

W219

W209

W208

W393

D1008

W362

W184

W293

W213

W319

W320

W214

W222

W217

W218

W216

W221

W224

R1009

W201

W188

W284

W383

W137

W151

W152

W089

W085

W084

W093

W092

D1007

W098

W414

W113

W121

W055

W065

W170

W333

C4037

W061

W377

W378

W379

W380

W149

W148

W147

W143

W901

W401

W194

W900

W024

W063

W259

W235

W238

W331

W223

W118

W108

W295

W392

C1011

W232

W230

W229

W236

C1009

W340

D118

W175

CP802

W296

W318

W277

W274

W276

W317

W367

W281

W286

C103

C1018

L5005

W352

HS351

W280

W343

W332

W363

R359

W139

W059

W053

CP301

CP353

W134

W231

W292

W282

W874

W417

W421

W186

C6110

C6119

W212

W444

W445

C4514

C6105

W013

C4515

J4501

J4502

W011

D4503

R4519

L4502_1

L6101

L6103

C6102

W008

W010

C4069

W265

W261

W120

R159

CC001

CC002

W312

W309

W204

W313

R1022

D4003

W411

W199

W427

W428

W182

W429

W030

W260

W067

W033

W043

W425

W027

W032

W034

W035

W038

W037

W068

W049

W166

C1064

W076

W420

W337

D703

W303

W353

D705

W335

W402

W929

C1013_1

C355

W189

W923

W920

W203

W168

C112

CP6001_2

W936

W192

L101

W003

W017

W015

W002

W814

W228

W227

C633

W294

R4041

W921

C655

W961

D612

W198

R170 

W123

W442

W959

W422

C651_1

C652

C603

D6402

C4090

W394

R360

W950

C4075

W424

W126

C358_2

C354

C627

C631

W474

W968

D117

D708

W046

TP4001_1

IC102

IC4002

IC1002

IC6302

Q1056

Q1055

W071

W400

C4032_1

C4016_1

C4025_1

C5012_1

C5013_1

C5027_1

C353_1

C6402_2

C639

C640

C643

R1040

C4505

W820

L4011

W477

W478

W476

C352_1

W989

R369

B4004

C1061

W934

W479

C4021

TP1001

TP4501

C4082

C4039

W243

DL601

C623_1

W480

W481

W922

B4002

TP4002_1

C4017_1

C4031_1

W980

R164

C4094

W967

W949

R4079

C6126

W964

R1042_1

W994

C1021

W931

W919

W947

R356_1

CP4002_1

C4097

C5015

C662

R366

Q357

S828X

R367

S828Y

C366_1

R368

C4507

W486

C6403

L4017

R4080

R4082

W473

C

367

R370

W721

CD6101

L606

R621

C611

W207

S811X

S811Y

C4099

R4083

TP351

CC003

CC004

S819X

S819Y

S820Y

S820X

S815Y

S815X

C663

S821Y

S821X

W101

C6127

L601

HS352

C101

J-9

Summary of Contents for VX-T2170 ph

Page 1: ...ette PAL MESECAM SP 23 39 mm sec LP 11 69 mm sec NTSC Playback SP only 33 35 mm sec PAL MESECAM SP 4 hours 20 minutes max with E 260 tape LP 8 hours 40 minutes max with E 260 tape NTSC Playback SP onl...

Page 2: ...IF SCHEMATIC DIAGRAM PRINTED CIRCUIT BOARDS SYSCON Y C SCHEMATIC DIAGRAM SYSTEM CONTROL SCHEMATIC DIAGRAM TUNER AUDIO SCHEMATIC DIAGRAM POWER IN OUT SCHEMATIC DIAGRAM MICON SCHEMATIC DIAGRAM CHROMA S...

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 volt...

Page 4: ...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 5: ...e Cap Refer to REMOVAL OF ANODE CAP on PAGE 12 Disconnect the following connectors CP801 CP804 and CP850 Remove the CRT PCB in the direction of arrow Fig 1 2 1 3 TV VCR BLOCK Refer to Fig 1 3 1 2 3 4...

Page 6: ...k the support 2 Remove the Syscon PCB in the direction of arrow A Remove the 2 screws 3 Unlock the 2 supports 4 Remove the Jack Plate in the direction of arrow B Fig 1 7 Deck Holder 1 2 Syscon PCB A 3...

Page 7: ...he Locker R Cassette Side L Cassette Side R Link Ass y 3 NOTE When installing the BOT Lever insert the BOSS into the hole of Linl Gear R When installing the Link Ass y 3 and Link Gear R align the timi...

Page 8: ...on Arm Spring 2 NOTES 1 2 Install the Tension Band Ass y without twisting it Turbine Oil the area marked with A in Fig 2 7 1 1 1 Brake Bracket Sub Brake S Joint Arm Joint Arm Spring T S Brake Spring M...

Page 9: ...ller Remove the screw 2 Unlock the 2 supports 3 Remove the Cassette Opener Remove the Spring P5 and Arm P5 Ass y Remove the Cam Gear Polyslider Washer 4 Spring Cam Pinch and Cam Pinch Roller Remove th...

Page 10: ...lyslider Washer 1 2 Remove the Center Pulley 3 Remove the Polyslider Washer 2 4 Remove the Center Pulley Spring 5 Remove the Idler Arm Ass y 6 Remove the 2 Polyslider Washers 3 7 Remove the Clutch Gea...

Page 11: ...Fig 2 14 Loading Gear T Marker Loading Lever Tension Lever A Main Rod Ass y Tension Holder Main Rod Spring Capstan Brake Spring Capstan Brake Ass y Main Brake Lever Middle Gear Main Cam NOTE Use the s...

Page 12: ...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 13: ...linder Cylinder Motor Cylinder Sensor Data Syscon to Servo Decibel Direct Current Direct Drive Motor Unit Demodulator Detector Deviation Emitter Emitter Follower Emphasis Encoder Envelope End of Tape...

Page 14: ...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 15: ...r Refer to the figure below 2 TAPE RUNNING SYSTEM When cleaning the tape transport system use the gauze moistened with isopropyl alcohol 3 CYLINDER Wrap a piece of chamois around your finger Dip it in...

Page 16: ...e by setting VOLUME to minimum While holding down VOLUME button on front cabinet press key 6 on remote control simultaneously ADDRESS and DATA should appear as FIG 1 Fig 1 ADDRESS is now selected and...

Page 17: ...P0 Post P1 Post FE Head Cylinder Unit Auto Head Cleaning Head Amp PCB Audio Control Head 12 13 14 15 16 17 18 19 20 21 Loading Motor Pinch Roller Block Cam Gear Cassette Opener Brake Bracket Reel T L...

Page 18: ...29 30 31 32 33 Capstan Brake Ass y Bottom Plate Clutch Gear S Ass y Idler Arm Ass y Center Pulley Clutch Gear T Ass y FRONT LOADING UNIT 15 1 2 3 4 5 6 7 8 Side Bracket L Top Bracket Ass y Side Bracke...

Page 19: ...2 JG024 JG100A Remarks Stair Steps 6KHz Color Bar 1KHz Playback Take Up Torque Fast Forward Torque Rewind Torque Brake Torque Take up Reel Supply Reel Guide Roller Adjustment X Value Adjustment Reel D...

Page 20: ...LOCATION GUIDE The EOT BOT and Reel Sensor do not work at this moment At that time the STOP EJECT button is available to insert and eject the Cassette Tape PREPARATION FOR SERVICING Basic Servicing P...

Page 21: ...object which weighs between 350g and 500g on the Cassette Tape to keep it steady when you want to make the tape run without the Front Loading Unit 15 Do not place an object which weighs over 500g Whe...

Page 22: ...heck Items Replace Parts 1 4 Idler Ass y or Clutch ASS Y 1 5 Idler Ass y or Clutch ASS Y 1 6 Main Brake T Ass y or Main Brake S Ass y Tape running is adjusted precisely at the factory Normally it is n...

Page 23: ...the screw 3 Refer to Fig 2 2 until the height of the A C head reaches the position against the tape as shown in Fig 2 3 When the control head height is not correct When you must turn the screw more t...

Page 24: ...MAJOR COMPONENTS LOCATION GUIDE IC101 TU6001 TP4001 TP4501 CP6115 SYSCON VCR SECTION IC4001 IC601 TP4002 J4501 J4502 IC6001 L6011 L6012 CP6001 IF C101 TP1001 D2 1...

Page 25: ...king press both VOL DOWN key on the set and the channel button 4 on the remote control simultaneously and adjust the Tracking button until the arising to the down of the Head Switching Pulse becomes 6...

Page 26: ...ELECTRICAL ADJUSTMENTS 38 9MHz Fig 3 3 D2 3...

Page 27: ...MAJOR COMPONENTS LOCATION GUIDE TP801 TP803 J801 CRT TP401 T501 VR502 FB401 SCREEN VOLUME FOCUS VOLUME MAIN TV SECTION D3 1...

Page 28: ...NT MODE2 1 2 RED BIAS 3 GREEN BIAS 4 BLUE BIAS 5 GREEN DRIVE 6 BLUE DRIVE 7 NEXT 8 END Fig 4 2 ADJUSTMENT MODE3 1 BRIGHT 2 CONTRAST 3 COLOR 4 TINT 5 SHARPNESS 6 E RGB CONT 7 NEXT 8 END The adjustment...

Page 29: ...he remote control until the SHIFT quantity of the OVER SCAN on upside and downside becomes minimum 4 10 OSD HORIZONTAL 1 2 3 Using the remote control set the brightness and contrast to normal position...

Page 30: ...3 and press the channel button 4 on the remote control Press the VOL UP DOWN button on the remote control until the waveform becomes as shown in Fig 4 9 Fig 4 9 0 80 100 4 18 CONSTANT VOLTAGE 1 2 3 S...

Page 31: ...rom the green raster pattern to the crosshatch pattern Combine red and blue of the 3 color crosshatch pattern on the center of the screen by adjusting the pair of 4 pole magnets Combine red blue magen...

Page 32: ...IC502 DC7 7V Does RY501 work Check P CON 5V line Check ICP502 D511 and D512 Check IC502 Check pins 62 and 63 of IC101 and peripheral circuit Check Q510 Q507 and the peripheral circuit Check Q504 RY50...

Page 33: ...ON 2 Is CP810 inserted Is the voltage at C507 about 180 360V Insert CD810 Check the circuit between F501 C507 and R501 Check IC501 and the peripheral circuit Yes Yes Yes Yes No No No No Replace F501 R...

Page 34: ...Check Sound B line Yes Is the voltage at pin 1 corrector of Q351 DC12V Yes Yes Is the voltage at CP301 changed with the volume up or down key No No No No Yes Is FUSE RESISTOR R517 broken Is the voltag...

Page 35: ...V line Adjust Brightness and Contrast Is the voltage at pin 17 of IC601 DC9V Is the voltage at pin 41 of IC601 DC5V Is the voltage at pin 8 38 of IC601 DC5V Is the signal at pin 12 13 and 14 of IC601...

Page 36: ...put Is the waveform 12 13 and 14 of IC601 normal Is the waveform at pin 42 of IC601 normal Is the waveform at pin 40 of IC601 normal Is the color signal received Is the color set to minimum NO COLOR R...

Page 37: ...pheral circuit Check peripheral circuit of IC601 Is the normal signal at pin 4 of IC 401 input OSD SCREEN DOES NOT APPEAR Is there a waveform at pins 18 19 and 20 of IC601 Check peripheral circuit of...

Page 38: ...WITCH DD MOTOR and CYLINDER MOTOR Does it Power off in about 3 seconds Yes No Check REEL SENSOR and REEL BELT Does it Power off in about 6 seconds Yes No Check REEL SENSOR IC1001 and REEL BELT slack D...

Page 39: ...Replace CYLINDER MOTOR Check R1059 R1080 and R1058 Replace IC1001 No Yes Yes No No Yes Is the voltage at pin 6 of CP1002 about DC13V In playback is the voltage at pin 3 of CP1002 about DC1 2V In play...

Page 40: ...o Yes Is AUDIO HEAD scratched Does pin 15 of IC1001 output a 3 0Vp p square wave 3 0V Check AUDIO BLOCK In playback is the voltage at pin 17 of CP1002 about DC1 6V In playback is the voltage at pin 14...

Page 41: ...MOTOR When a cassette is inserted is the voltage at pin 49 of IC1001 5V When a cassette is inserted is the voltage between pins 1 and 2 of CP1002 When cassette is not inserted is EOT BOT PULSE at EMI...

Page 42: ...FRONT LOADING GEARS Defective CASSETTE or FRONT LOADING UNIT In another cassette tape does the same problem appear In covering the infrared sensor is pin 2 and 4 of IC1001 5V When inserting cassette i...

Page 43: ...of CP1002 and peripheal circuit Check pin 45 of IC1001 lines change IC1001 Check DECK MECHANISM Is the voltage changing at pin 14 of CP1002 Is the voltage changing at pin 12 of CP1002 when you press...

Page 44: ...k R1059 R1080 R1058 and D1003 No Yes Does PG PULSE signal appear at pin 13 of IC1001 No No No Yes Is the voltage at pin 6 of CP1002 UNREG 12V Does DC5V PULSE signal appear at pin 44 of IC1001 Is the v...

Page 45: ...age at pin 3 of CP1002 1 2V In playback is the voltage at pin 3 of CP1002 about 1 2V When sloeing CYLINDER is the voltage 3 8V No Yes Replace CYLINDER MOTOR Replace IC1001 No No Yes Yes 5V Is FG Pulse...

Page 46: ...k IC4101 and CYLINDER UNIT Check CONTROL HEAD No Yes By manual tracking does the DC level at pin 6 of CP4001 change In auto tracking is the voltage at pin 5 of IC1001 more than DC1 85V No No Does the...

Page 47: ...ce CAPSTAN BELT No Check REEL SENSOR and that the voltage at pin 10 of CX1003 is DC5V No Does CAPSTAN DD MOTOR rotate Is CAPSTAN BELT OK Yes Does REEL SENSOR PULSE signal appear at pin 69 of IC1001 Ye...

Page 48: ...No Adjust GUIDE POST height Adjust PG SHIFTER No Does tracking noise appear in the picture Yes Yes Are GUIDE POSTS the right height No Check PB Y circuit Is PG SHIFTER Adjustment 6 5H Yes By adjustin...

Page 49: ...es Is the voltage at pins 12 28 and 54 of IC4001 5V No Yes Check IC4002 and the peripheral cicuit No Replace IC4001 Replace IC4001 No No Yes Is there Y signal at pin 27 of IC4001 and there CHROMA sign...

Page 50: ...7 and the peripheral circuit Replace IC4002 Does FM ENVELOPE appear at TP4002 Does CHROMA signal appear at pin 27 of IC4001 Does COMPOSITE signal appear at pin 16 of IC4002 Does COLOR BURST signal app...

Page 51: ...p p Is there FM signal at pin 11 of IC4001 140mVp p No Yes Replace IC4001 No Replace IC4002 No Yes Is VIDEO waveform at pin 6 of IC4001 over 500mVp p and are there any noise Yes Yes Check J4501 Is VID...

Page 52: ...in 29 of IC4001 No No No No Replace IC4101 Check IC4101 and peripheral circuit Replace J4501 Check VIDEO input circuit Does VCR signal appear at pin 53 of IC4001 Does FM signal appear at pin 8 of CP40...

Page 53: ...igh No No Does AUDIO signal appear at pin 7 of IC5001 Check AUDIO HEAD for debris of stains Check that the connector from AUDIO HEAD is fully inserted to CP4106 Replace IC 5001 If the pin 52 of IC1001...

Page 54: ...15 of CP1002 5V In playback is the voltage at pin 14 of CP1002 2 5V Replace IC1001 Does DD MOTOR rotate now If not replace DD MOTOR Check pins between 45 and 47 of IC1001 and peripheral circuit Replac...

Page 55: ...cuit Is there AUDIO signal at pin 14 of IC5001 Check the lead wire and connector to A C HEAD Check the circuit between audio out of Tuner and pin 10 of IC5001 No No Yes Yes No No No Yes Yes Yes Is the...

Page 56: ...ETTE IN AND DOWN UNIT HAS NO FUNCTIONS No Yes Yes No Check Operation PCB Does VCR operate with the remote control Check IC1001 Check LOADING MOTOR MODE SWITCH and the peripheral parts Does mode indica...

Page 57: ...CYLINDER UNIT and IC4101 circuit No No Check the circuit from VIDEO input jack to IC4001 from Tuner Pack to IC4001 Check the peripheral circuit of Q4007 Q4009 Replace IC4001 Replace IC4101 RECORDING...

Page 58: ...cuit Replace IC6001 and check peripheral circuits Check 9V and 5V line Check Q6002 Is there VIDEO signal at pin 20 of IC6001 Is defect present when replacing the IF PCB Is the voltage at pin 6 of TU60...

Page 59: ...ED VH O Forced VH 31 Not used 32 VSS Ground 33 RED O Color signal red output 34 GREEN O Color signal green output 35 BLUE O Color signal blue output 36 Y O Y signal output 37 HD I H pulse input 38 VD...

Page 60: ...HI FI L I Input selection of audio type 28 AUTO DET IN I Ground 29 BILINGUAL L I Input selection of audio type 30 STEREO L I Input selection of audio type 31 2HEAD 4HEAD I Input terminal for heads sel...

Page 61: ...ights at REC mode 61 T REC LED O Lights at T REC mode 62 CLOCK 0 Terminal to connect the oscillator 63 CLOCK 1 Terminal to connect the oscillator 64 VSS Ground 65 ATR LED O Lights at ATR mode 66 PLAY...

Page 62: ...OEC9032B SERVO TIMING CHART DRUM PG 3 PIN DRUM FG 1 PIN VIDEO H SW 8 PIN V SYNC 2 PIN PB CTL 9 PIN CTL OUT 0 PIN 6 5 H 6 5 H REC PB 30 Hz 720 Hz 30 Hz 30 Hz WAVEFORM CHANGES DEPENDED ON THE TAPE SPEE...

Page 63: ...STOP 2 FF REW SW 3 SW 2 SW 1 SW 0 DECK MODE VOLTAGE V 0 5 5 5 5 5 5 5 5 5 5 0 0 5 5 0 5 5 0 0 5 5 0 5 0 0 5 5 5 5 5 5 5 5 0 0 5 5 5 0 0 0 0 0 5 5 0 5 0 0 0 0 EJECT COMPLETE CASS IN COMPLETE UL START...

Page 64: ...N 10PIN 5PIN PST600H LA7832 KIA7805PI UPC574J T PQ09RD08 OEC9029A STR F6654 KIA7812PI TRANSISTOR 5PIN 2SA1371 D E AE DTC114TSTP DTC114ESTP 2SC4217 D E RAC 2SC2621 D E RAC 2SA1037AKT146R S LA7975 2SA73...

Page 65: ...IVE Q406 H OUTPUT IC401 LA7832 2 4 V OUTPUT DY EF G2 2 HV FB401 8 6 F 7 J801 11 DEGAUSS COIL AC IN G AMP Q805 B AMP Q806 R AMP Q804 CONSTANT VOLTAGE VR502 BUFFER Q612 100V SW Q501 100V DR Q502 Q503 BU...

Page 66: ...AMP Q4016 BUFFER Q4101 BUFFER Q4006 BUFFER Q4005 ENV DET 46 BUFFER Q4010 37 BUFFER Q4017 VCR VIDEO OUT AE FE HEAD CH2 L F CH1 2 S CH1 R F 2 3 4 CP4101 TUNER AUDIO IF CYL CYL PG CYL FG CYL DRIVE 1 3 5...

Page 67: ...EOT SENSOR BOT SENSOR 3 SW1010 REEL S 69 SUPPLY REEL SENS Q1053 REEL T 70 TAKE UP REEL SENS Q1054 63 62 CLOCK 0 CLOCK 1 X1001 Q756 STAND BY LED SW P CON 5V Q752 D793 D791 D792 44 PWM 0 12 DFG IN 13 DP...

Page 68: ...VIDEO AMP 17 IF AGC IF AMP 6 5 12 LIM FM DET 10 VIF SIF IC6001 M52313SP 11 TU6001 5 4 2 CF6004 SAW FILTER Q6003 AMP 2 VCR AUDIO OUT Q6101 T AUDIO MUTE TU MUTE Q6104 BUFFER AFT S CURVE IC6303 UPC574J Q...

Page 69: ...R6004 C6011 C6004 JP14 C6029 C6030 R6025 JP07 JP09 C6010 JP06 C6001 C6006 R6003 R6001 R6016 Q6002 C6017 C6008 R6015 R6014 C6024 C6023C 6022 Q6004 R6019 R6013 C6020_1 C6027 C6009 C6007 R6008 R6010 R600...

Page 70: ...P4104 C4107 W03 W04 W05 W08 W14 W13 L12 IC01 L09 CF01 L10 L07 JP01 IC02 X01 C25 C6002_1 L02 L11 CF03 C6021_1 JP03 JP04 R06 L05 R07 Q03 L04 CP01 R05 C6019 JP05 CF04 C6005_1 R20 L16 R24 CF6005 JP6004 JP...

Page 71: ...004 R6019 R6013 C6020_1 C6027 C6009 C6007 R6008 R6010 R6009 C6014 JP6005 R6018 R6012 C6035 IC4101_2 C4112 C4113 C4114 C4115 C4119 C4120 R4111 C4110 C4127 C4108 C4104 R4109 C4102 C4105 C4106 R4102 C410...

Page 72: ...2 7K R777 1 5K R776 1K R766 100 W811 W810 W812 W814 W808 Q756 DTC114TS STAND BY LED SW Q752 DTC114TS POWER LED SW Q751 DTC114TS PLAY BACK LED SW D792 SLZ 936C 07 S T1 POWER C779 0 001 B C781 0 001 B...

Page 73: ...SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS CYL_PG A CYL B A CYL_FG A GND_B CYL_DRIVE_A CYL_DRIVE_A GND_B CYL_FG A...

Page 74: ...006 2 2K R6010 4 7K R6011 56 R6004 1 5K R6018 560 R6015 220 R6025 330 R6029 5 6K R6014 820 L6004 12uH L6016 100uH L6007 6 8uH L6005 0 56uH L6010 33uH L6009 10uH L6008 10uH Q6002 2SA1037K BUFFER CP6001...

Page 75: ...Q4001 Q4010 Q4011 Q4013 Q4017 Q1018 Q1017 C4076 R4036 C4077_1 R6116 Q6101 W270 R136 R156 R6502 Q6504 Q6502 Q6503 R6503 R6509 R6508 R6514 C6510 C6511 R6504 R6515 R6517 C6512 W132 W135 R624 R623 C1032...

Page 76: ...055 W065 W170 W333 C4037 W061 W377 W378 W379 W380 W149 W148 W147 W143 W901 W401 W194 W900 W024 W063 W259 W235 W238 W331 W223 W118 W108 W295 W392 C1011 W232 W230 W229 W236 C1009 W340 D118 W175 CP802 W2...

Page 77: ...W927 W907 W880 W812 W892 W906 W984 W941 W977 W957 W915 W855 W995 W996 W705 W700 W985 W833 Q358 W903 W849 W838 C6002_1 W489 W490 R1071 W491 R190 W492 W828 W908 W330 W323 S807Y S807X C4093 W971 C4096 W4...

Page 78: ...4052 4 7K R4022 560 R4042 8 2K R4068 3 9K R4044 1K R4039 270 R4037 270 R4069 22K R4074 150K R4075 330K R4036 4 7K R4023 620 R4027 1 2K R4070 390 R4071 390 R4011 680 R4079 180 R4043 2 2K R4021 4 7K R40...

Page 79: ...7K R1023 47K R1091 10K R1025 10K R1057 22K R1045 4 7K R1046 22K R1039 1 5K R1041 56K R1040 4 7K 1 4W R1016 10K D1003 1SS133 D1008 1SS133 D1009 1SS133 D1005 11ES1N CAUTION DIGITAL TRANSISTOR S804Y MOTO...

Page 80: ...5005 1mH L5001 100uH 0607 L6103 100uH 0607 W882 W884 W813 W805 W873 W924 W923 W860 W886 W925 W919 W945 W930 W935 W971 W912 W844 W900 W931 W963 W722 W814 W972 R6115 470K R5014 22K R5006 10K R5008 18K R...

Page 81: ...R1099 10K R1096 10K R1097 220 1 4W R1098 10K R4518 68 R4514 100K D1007 11EQS04N B1002 BLM31A601SPT S805X P CON 9V B S804X MOTOR GND TUNER VIDEO SIGNAL IS NON POLAR ONE THE ALUMI ELECTROLYTIC CAPACITOR...

Page 82: ...R165 1K R162 1K R121 4 7K R124 10K R136 1K R140 5 6K R110 22K R163 2 2K R184 15K R141 10K R157 10K R134 10K R132 1 5K R159 10K R170 100K 1 4W R155 270 R156 270 R171 1 5K R6508 270 R164 330 R166 1K R16...

Page 83: ...43 6 8K R641 22K R656 100 R663 10M R666 5 6M R613 1K R628 15K R658 1M R669 1 5K R639 820K R634 270 R636 270 R631 270 R630 1K D606 1SS133 D608 LFB 01L D609 LFB 01L D610 LFB 01L D611 LFB 01L Q605 DTC114...

Page 84: ...0 1 TF C366_1 0 068 TF C352_1 33 16V KA C353_1 33 16V KA C355 47 16V KA C356 470 16V YK C358_2 1000 25V YK Q353 2SC1815Y SOUND OUTPUT Q351 2SC3419_Y SOUND OUTPUT Q354 2SC2412K SWITCHING Q352 2SA1356_...

Page 85: ...703 1SS133 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME W984 W995 W996 W929 W938 W822 W821 W997 W936 D705 1SS133 D706 11E1N CAUTION DIGITAL TR...

Page 86: ...SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME C623_1 0 068 TF C653 150P CH L601 10uH W705 W716 R674 1K CAUTION DIGITAL TRANSISTOR S815X S815Y TUNER VIDEO SIGNA...

Page 87: ...1 C407 D520 W034 W818 C512 CC3 HS402 W027 W012 W031 R409 W024 SW501 W040 W039 CP801 CP501_1 R533 W047 W043 W042 C429 C819 R404 W002 D517 C541 C540 B403 W041 C805 C801 W049 W028 R511 W016 W017 R506 W06...

Page 88: ...47 68 1 2W R450 3 3 1W R448_2 1K 1W R445 2 2K 3W R446 2 2K 3W R452_2 2 2 1W R449 5 6 7W B G R 11 6 8 10 9 1 7 5 V801 A51KSV43X06 MU C421 1000 35V VZ C418_1 1 160V VZ OF PRINTING AND SUBJECT TO CHANGE...

Page 89: ...06 0 22 250V MMCA C554 0 01 M R535 4 7K R519 100K 1 2W R529 2 7K 1 4W R524 22K 1 4W R518 10K 1 4W R521 10K R523 10K R511 680 1 2W R514 820 R520 10K R530 390 R506 1 8K 1 2W R503 3 3K R507 10K 1 4W R536...

Page 90: ...470 1 4W R811 4 7K R812 4 7K 1 4W R813 4 7K R821 4 7K R807_1 2 7K 1 4W R808_1 2 7K 1 4W R820_1 2 7K 1 4W R814 240 R816 240 R815 240 1 4W D802 1SS133 D801 1SS133 Q805_1 2SC4217 GREEN AMP Q804_1 2SC421...

Page 91: ...ED GND AT 5V 9V GND B Y G Y R Y TE8941 PCB340 BULE BROWN TM8395 PCB070 DEGAUSS COIL DEGAUSS COIL AT 12V AT 12V AT 12V AT 12V AT 30V AT 5 6V MOTOR GND GND P CON 9V POWER FAIL DC ABCL ABCL CD757 SP OUT...

Page 92: ...iv 9 REC PB 200mV 10V div 10 12 REC PB 0 5V 0 2V div REC PB 20mV 0 5V div 11 Y C WAVEFORMS REC PB 0 5V 5V div 13 REC PB 20mV 5V div 14 REC PB 2V 5V div 14 REC PB 0 5V 5V div 15 REC PB 1V 2U div 16 REC...

Page 93: ...N HEAD AMP 2V 5V div 34 5V 20U div 35 REC 50mV 10U div 42 50V 20U div 36 CRT REC PB 10mV 1s div 43 50V 20U div 37 PB 50mV 50V div 44 The following waveforms were measured at the point of the correspon...

Page 94: ...PCB ASS Y J801 114 102 PCB070 MAIN PCB ASS Y 225 110 116 216 145 117 143 215 214 158 214 207 144 207 203 FB401 115 B 152 157 207 118 114 211 142 220 220 140 PCB340 POWER SW PCB ASS Y 127 128 SP352 213...

Page 95: ...136 211 B 155 149 151 150 119 PCB330 HEAD AMP PCB ASS Y 106 113 107 114 PCB010 SYSCON PCB ASS Y 213 213 204 204 204 206 219 219 216 224 224 223 222 111 202 PCB350 IF PCB ASS Y 120 121 112 205 103 214...

Page 96: ...010 SCREW VT2 4 12 1 124 S1 2WP J05 960 FLAP 1 207 87 753 095 410 SCREW TT B BRAZIER 3 8 7 125 S1 3WP A00 810 GLASS LED 1 208 S1 106 30A 040 UIT 3 10 14 126 S1 3WP A00 820 GUIDE REMOCON 1 209 S1 106...

Page 97: ...3 310 512 311 312 321 316 309 304 305 316 313 319 320 503 322 M101 503 323 504 511 324 325 329 515 327 307 326 334 338 337 335 340 336 516 339 516 509 333 332 331 330 UN4001 M2003 H5001 315 510 510 32...

Page 98: ...LODED VIEW BOTTOM VIEW 350 342 M2001 344 346 352 351 348 349 347 345 366 364 365 506 515 359 517 361 362 367 355 356 353 354 357 357 507 504 503 358 343 369 SW101 502 502 504 506 341 363 504 504 518 5...

Page 99: ...FRONT LOADING UNIT 15 EXPLODED VIEW 421 403 420 404 407 405 401 410 408 421 416 417 406 409 419 425 402 415 412 411 411 424 422 413 414 422 423 426 418 M1 3...

Page 100: ...600 5N0 POLY W CUT 1 6 6 0 5 2 333 S5 OP2 002 170 REEL T 1 507 87 264 074 410 SCREW TAP B PAN 2 6 8 3 334 S5 OP4 004 460 CATCHER P5 VP 1 508 S1 5DJ 203 020 SCREW M2 3 2 335 S5 OP6 004 650 SUB BRAKE S...

Page 101: ...630 080 CAP E 0 22 50V D352 87 020 465 010 DIODE 1SS133T C662 87 010 371 080 CAP E 470 6 3V D604 S9 7U0 5R1 1B0 ZENER MTZJ5 1B C663 87 015 677 080 CAP E 100 6 3V D606 87 020 465 010 DIODE 1SS133T C100...

Page 102: ...L6103 S2 167 D10 1K0 COIL 100UH Q1028 89 324 122 080 TR 2SC2412KT Q1029 SB WT0 092 600 TR 2SB926 S T PF5001 S3 262 300 380 COIL TRAP 2623003 Q1030 89 324 122 080 TR 2SC2412KT Q1031 SB 3T0 069 800 TR...

Page 103: ...5 042 01T 310 SW TACT SKHVBED010 C526 87 A10 373 080 CAP E 220 6 3V SW797 S5 042 01T 310 SW TACT SKHVBED010 C530 SB 3LB 0MQ 2K0 CAP CER 470PF 250V SW798 S5 042 01T 310 SW TACT SKHVBED010 C531 87 010 2...

Page 104: ...B401 S2 4AT 036 550 CORE BEADS BL01RN1 A63T6 TRANSISTORS B402 S2 4AT 036 550 CORE BEADS BL01RN1 A63T6 B403 S2 4AT 036 550 CORE BEADS BL01RN1 A63T6 Q801 84 LB2 698 080 TR 2SA733 C T B501 S2 41T 025 310...

Page 105: ...PLUS SDDFC3056A CONNECTOR CONNECTOR CD301 S6 8D1 241 4A0 CORD CONN 8D12414A CP501 S6 944 301 000 CORD CONN 2 173270 3 AC CORD OTHER CD501 S2 0T6 508 040 CORD AC 0T650804 CD502 S6 CPU 201 2A0 CORD CON...

Page 106: ...920074 Printed in Japan 2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 8710 JAPAN TEL 03 3827 3111...

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