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Philips DVD740VR Service Manual Download Page 53

 Main CBA Parts Location Guide

1-11-33

1-11-34

Ref No.

Position

Ref No.

Position

Ref No.

Position

Ref No.

Position

Ref No.

Position

Ref No.

Position

Ref No.

Position

C055

B-4

C336

C-3

C481

C-4

C1058

B-3

D053

B-2

L452

C-3

R058

A-2

C056

B-4

C337

C-3

C482

C-3

C1059

A-3

D054

A-2

L501

B-1

R059

A-2

C057

A-2

C338

C-3

C483

C-3

C1060

A-3

D055

B-3

L502

C-1

R060

A-2

C058

B-2

C339

C-3

C484

C-3

C1061

A-3

D056

B-3

L503

C-2

R062

B-2

C059

B-3

C340

C-3

C487

C-3

C1062

A-3

D057

B-3

L701

F-4

R064

B-3

C060

B-3

C341

C-3

C488

C-3

C1067

A-2

D101

E-5

L702

G-5

R065

B-2

C063

A-2

C343

C-3

C505

D-2

C1068

A-2

D102

E-5

L703

G-4

R101

C-5

C101

C-5

C344

D-3

C506

B-1

C1201

B-4

D103

C-5

L704

F-5

R102

C-5

C102

C-5

C345

D-3

C508

B-1

C1202

B-5

D104

D-5

L1251

B-5

R103

C-5

C103

C-5

C346

D-3

C509

E-1

C1203

B-4

D105

E-5

L1521

A-5

R104

C-5

C104

E-5

C347

D-3

C510

E-1

C1204

B-5

D106

D-5

R105

C-5

C105

E-5

C348

D-3

C511

E-1

C1205

B-4

D107

E-5

Q051

B-4

R106

C-5

C106

E-5

C349

D-3

C513

D-1

C1206

B-5

D108

D-5

Q052

B-4

R107

C-5

C107

E-5

C402

D-4

C514

E-1

C1207

B-4

D109

D-5

Q053

A-1

R108

C-5

C108

F-5

C403

D-4

C516

D-1

C1208

B-4

D110

E-5

Q054

B-2

R109

E-5

C109

D-5

C404

D-4

C517

D-1

C1221

B-4

D112

F-5

Q055

A-2

R110

E-5

C110

E-5

C405

D-4

C519

D-1

C1222

B-4

D113

F-5

Q056

A-2

R111

F-5

C111

E-5

C406

E-4

C521

D-1

C1245

B-5

D115

D-5

Q057

B-3

R112

E-5

C112

D-5

C407

D-4

C522

D-1

C1246

A-4

D118

D-5

Q101

C-5

R113

E-5

C113

D-5

C408

D-4

C524

E-2

C1247

A-4

D119

D-5

Q102

C-5

R114

E-5

C114

F-5

C409

D-4

C527

C-1

C1249

B-4

D121

E-5

Q103

F-5

R116

E-5

C116

D-5

C410

D-4

C531

E-1

C1351

A-5

D301

C-3

Q104

E-5

R117

F-5

C117

F-5

C411

D-3

C533

E-2

C1352

B-5

D506

C-1

Q105

F-5

R118

E-5

C118

C-5

C412

D-3

C534

C-1

C1353

B-5

D507

D-1

Q301

F-4

R119

D-5

C119

E-5

C413

D-3

C535

C-1

C1354

B-5

D508

F-1

Q302

D-3

R120

F-5

C121

C-5

C414

D-4

C538

C-2

C1356

B-5

D510

E-2

Q401

E-4

R121

F-5

C127

E-5

C415

D-3

C539

D-2

C1391

A-4

D511

C-2

Q402

E-4

R122

F-5

C251

C-3

C416

B-3

C540

D-2

C1401

B-5

D512

C-2

Q403

C-4

R123

E-5

C252

C-3

C417

E-3

C541

C-1

C1421

B-5

D513

F-1

Q404

D-4

R124

D-5

C253

D-3

C418

D-3

C542

C-1

C1422

B-5

D555

D-2

Q405

E-4

R125

E-5

C254

C-3

C419

E-4

C543

C-1

C1441

B-5

D701

G-5

Q406

D-3

R126

F-5

C301

D-3

C420

D-3

C544

C-1

C1442

B-5

D751

C-4

Q451

C-3

R128

D-5

C302

D-3

C421

D-3

C545

D-2

C1445

D-5

D1051

A-3

Q501

G-2

R129

C-5

C303

E-3

C451

B-3

C546

D-2

C1461

B-5

D1052

A-3

Q502

G-2

R130

D-5

C305

D-3

C452

C-3

C547

D-2

C1462

C-5

D1053

A-3

Q506

D-2

R131

C-5

C306

E-3

C453

C-3

C548

C-1

C1471

B-5

D1056

A-3

Q507

G-2

R133

F-5

C307

E-3

C454

C-3

C549

C-1

C1481

B-5

D1060

A-3

Q508

C-1

R134

F-5

C308

D-3

C455

B-3

C550

C-1

C1482

D-5

D1401

B-5

Q509

C-1

R136

D-5

C309

D-2

C456

B-3

C553

C-1

C1486

B-5

D1402

B-5

Q510

E-1

R137

D-5

C310

D-3

C457

B-3

C554

E-2

C1523

B-5

D1501

B-5

Q511

E-1

R138

D-5

C311

D-2

C458

B-3

C555

E-2

C1531

C-5

Q513

C-2

R140

E-5

C312

D-3

C459

B-3

C631

B-1

C1532

C-5

IC301

D-3

Q514

C-2

R251

C-3

C313

D-3

C460

B-3

C632

B-1

C1534

A-5

IC451

C-3

Q515

C-1

R252

C-3

C314

E-3

C461

B-3

C633

B-1

C2058

B-5

IC501

D-1

Q752

C-4

R301

D-3

C315

E-3

C462

B-3

C634

B-1

IC502

D-2

Q1051

B-3

R303

E-3

C316

D-3

C463

C-3

C635

C-1

CL051A

B-3

IC631

B-1

Q1052

A-4

R304

D-2

C317

E-3

C464

C-3

C636

C-1

CL050A

A-4

IC751

C-4

Q1053

A-3

R305

E-3

C319

D-2

C465

C-3

C637

B-1

CL050B

A-4

IC1052

B-3

Q1054

A-3

R306

D-2

C320

D-2

C466

C-3

C701

G-4

CL251

C-3

IC1053

B-3

Q1055

A-3

R307

D-3

C321

D-3

C467

C-3

C703

G-4

CL501

C-4

IC1201

B-4

Q1057

B-3

R310

E-3

C322

D-2

C468

C-3

C706

G-5

CL502

F-2

IC1204

A-5

Q1201

B-4

R311

D-2

C323

E-3

C469

C-4

C708

F-5

CL504

E-4

IC1402

B-5

Q1202

B-4

R314

E-3

C324

E-3

C470

C-3

C709

G-5

CL506

A-1

Q1203

A-4

R315

E-3

C325

E-3

C471

C-4

C711

G-3

CL508

E-4

L051

A-4

Q1204

B-4

R316

E-3

C326

E-3

C472

C-3

C712

G-5

CL2003

A-1

L052

B-4

Q1351

A-5

R317

E-4

C327

D-2

C473

C-3

C714

G-5

CN505

G-3

L053

B-2

Q1501

A-5

R318

E-4

C328

D-3

C474

C-4

C751

C-4

CN701

G-3

L101

E-5

Q1502

A-4

R319

E-3

C329

E-3

C475

C-3

C752

C-4

CN1001

A-2

L102

F-5

R320

C-3

C330

F-4

C476

C-3

C753

C-4

CN1601

A-5

L251

C-3

R051

B-4

R321

D-2

C331

F-4

C477

C-4

C754

C-4

CN2002

A-3

L302

C-3

R052

B-4

R322

C-3

C333

C-3

C478

C-4

C755

C-5

L401

E-3

R053

B-4

R323

D-2

C334

C-3

C479

C-3

C756

C-5

D051

B-4

L402

C-4

R054

B-4

R325

C-3

C335

C-3

C480

C-3

C1054

A-3

D052

B-4

L451

C-3

R055

A-2

R326

C-3

COILS

RESISTORS

DIODES

TRANSISTORS

CONNECTORS

RESISTORS

ICS

CAPACITORS

CAPACITORS

CAPACITORS

CAPACITORS

DIODES

COILS

Ref No.

Position

Ref No.

Position

Ref No.

Position

Ref No.

Position

R327

C-3

R507

A-1

R589

A-1

R1360

A-5

R328

C-3

R508

G-2

R591

F-1

R1364

B-5

R330

C-3

R509

C-2

R632

B-2

R1392

A-4

R331

C-3

R511

F-1

R633

B-1

R1393

A-4

R332

C-3

R512

C-1

R634

C-1

R1394

A-4

R333

C-2

R513

E-1

R635

C-1

R1395

A-4

R334

C-2

R514

F-1

R636

B-1

R1401

A-5

R335

C-3

R515

G-2

R637

C-1

R1421

A-5

R336

C-3

R516

F-1

R703

G-5

R1422

B-5

R337

C-3

R517

D-2

R704

F-2

R1441

A-5

R339

D-3

R519

F-1

R705

F-2

R1442

B-5

R401

E-4

R520

G-2

R706

G-3

R1461

A-5

R402

D-4

R522

G-2

R751

B-4

R1471

A-5

R403

E-4

R523

F-1

R752

C-4

R1481

A-5

R404

E-4

R524

G-2

R753

C-4

R1501

B-5

R405

C-4

R525

F-1

R755

C-4

R1502

A-5

R406

D-4

R526

D-1

R756

C-5

R1521

B-5

R407

D-4

R528

F-1

R757

C-5

R2039

A-1

R408

D-3

R529

G-2

R1051

A-4

R409

D-3

R530

C-1

R1052

A-4

SW501

D-1

R410

D-4

R531

C-1

R1053

B-3

SW502

D-1

R411

D-4

R532

D-1

R1054

A-3

SW503

E-1

R412

E-4

R533

C-1

R1055

A-4

SW504

E-1

R413

D-4

R534

F-1

R1056

B-3

SW505

E-1

R414

D-3

R535

E-1

R1058

A-3

SW506

C-1

R415

D-3

R536

E-1

R1059

A-3

SW507

F-1

R416

D-3

R537

E-1

R1060

B-3

SW508

E-1

R417

D-3

R538

D-1

R1061

A-3

SW511

B-2

R418

D-3

R539

E-2

R1066

B-4

SW2011

C-1

R419

D-4

R540

E-2

R1080

A-2

SW2012

B-1

R420

E-4

R541

G-2

R1081

A-2

SW2016

C-1

R421

E-4

R542

F-1

R1201

B-4

SW2017

B-1

R451

B-3

R543

D-1

R1202

A-4

R452

C-3

R544

D-1

R1203

C-4

VR501

G-2

R453

B-3

R545

F-1

R1204

B-5

R454

C-3

R546

C-1

R1205

C-4

X301

E-3

R455

B-3

R547

C-1

R1206

B-5

X501

C-1

R456

B-3

R548

C-1

R1207

B-4

X502

C-1

R457

B-3

R550

C-1

R1208

B-5

R458

B-3

R553

C-1

R1209

B-4

JK101

E-5

R459

B-3

R555

B-1

R1210

B-5

JK102

E-5

R460

B-3

R557

E-2

R1211

B-4

JK751

C-5

R461

B-3

R563

C-1

R1212

B-5

JK1202

B-5

R462

C-3

R565

E-2

R1221

B-5

JK1401

B-5

R463

B-3

R566

E-2

R1222

C-5

PS502

C-2

R464

B-3

R567

E-1

R1223

B-4

TU701

G-4

R465

C-3

R568

E-2

R1224

B-4

R466

C-3

R569

E-1

R1225

B-4

TP301

F-4

R467

B-3

R570

C-1

R1226

B-5

TP501

B-1

R468

B-3

R572

C-2

R1235

A-5

TP502

B-2

R469

C-3

R574

C-1

R1236

A-5

TP503

G-2

R470

C-4

R575

C-1

R1237

A-4

TP504

B-2

R471

B-4

R576

C-1

R1238

A-5

TP751

E-4

R472

B-4

R577

D-2

R1239

A-4

R473

C-3

R578

D-2

R1240

A-5

R475

C-4

R581

C-2

R1245

B-5

R476

C-3

R582

C-2

R1246

B-5

R501

D-1

R583

C-2

R1247

A-4

R502

D-1

R584

C-2

R1352

A-5

R503

E-1

R585

C-2

R1353

A-5

R504

E-1

R586

C-2

R1354

A-5

R505

E-1

R587

C-3

R1355

B-5

R506

B-1

R588

C-3

R1356

B-5

TEST POINTS

MISCELLANEOUS

CRYSTAL OSCILLATORS

VARIABLE RESISTORS

RESISTORS

RESISTORS

RESISTORS

SWITCHES

RESISTORS

Summary of Contents for DVD740VR

Page 1: ...o Player DVD740VR DVD740VR 001 051 Contents Page Laser Beam Safety Precautions 1 1 1 Important Safety Precautions 1 2 1 Preparation for Servicing 1 3 1 Standart Notes for Servicing 1 4 1 Operating Controls and Functions 1 5 1 Signal Name Abbreviations 1 6 1 Cabinet Disassembly Instructions 1 7 1 Electrical Adjustment Instructions 1 8 1 Firmware Renewal Mode 1 9 1 Block Diagrams 1 10 1 Schematic Di...

Page 2: ...MAIN SECTION DIGITAL VIDEO DISC PLAYER VIDEO CASSETTE RECORDER Sec 1 Main Section I Adjustment Procedures I Schematic Diagrams and CBA s I Exploded Views I Mechanical and Electrical Parts List ...

Page 3: ...ur eyes at least 30cm away from the pickup lens when the diode is turned on Do not look directly at the laser beam Caution Use of controls and adjustments or doing procedures other than those specified herein may result in hazardous radiation exposure Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin Location Inside Top of DVD mechanism CAUTION V...

Page 4: ...te especially 1 Wires covered with PVC tubing 2 Double insulated wires 3 High voltage leads D Use specified insulating materials for hazardous live parts Note especially 1 Insulation tape 2 PVC tubing 3 Spacers 4 Insulators for transistors E When replacing AC primary side components transformers power cord etc wrap ends of wires securely about the terminals before solder ing F Observe that the wir...

Page 5: ... termi nals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc is lower than or equal to the specified value in the table below Measuring Method Power ON Insert load Z between B earth ground power cord plug prongs and exposed accessible parts Use an AC voltmeter to measure across the terminals of load Z See Fig 2 and the following table AC Line Voltage...

Page 6: ...ve the flat pack IC with tweezers while apply ing the hot air 3 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack IC from the CBA using twee zers Fig S 1 6 Caution 1 Do not supply hot air to the chip parts around the flat pa...

Page 7: ...l pins of the flat pack IC you can remove it easily Fig S 1 3 2 Affix the wire to a workbench or solid mounting point as shown in Fig S 1 5 3 While heating the pins using a fine tip soldering iron or hot air blower pull up the wire as the solder melts so as to lift the IC leads from the CBA contact pads as shown in Fig S 1 5 4 Bottom of the flat pack IC is fixed with glue to the CBA when removing ...

Page 8: ...cur due to a potential difference caused by electro static charge during unpacking or repair work 1 Ground for Human Body Be sure to wear a grounding band 1MΩ that is prop erly grounded to remove any static electricity that may be charged on the body 2 Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding 1MΩ on the workbench or other surface where the semi...

Page 9: ...s will stop the function of Tape Start Sensor Tape End Sen sor and Reel Sensors If these TPs are connected before plugging in the unit the function of the sensors will stay valid See Fig 1 Note Because the Tape End Sensors are inactive do not run a tape all the way to the start or the end of the tape to avoid tape damage About REC Safety Switch Caution The REC Safety Switch is directly mounted on ...

Page 10: ...1 5 1 H9330IB OPERATING CONTROLS AND FUNCTIONS DVD740VR 001 ...

Page 11: ...1 5 2 H9330IB ...

Page 12: ...1 5 3 H9330IB ...

Page 13: ...1 5 4 H9330IB ...

Page 14: ...1 5 5 H9330IB ...

Page 15: ...1 5 6 H9330IB DVD740VR 051 ...

Page 16: ...1 5 7 H9330IB ...

Page 17: ...1 5 8 H9330IB ...

Page 18: ...1 5 9 H9330IB ...

Page 19: ...1 5 10 H9330IB ...

Page 20: ...C POWER SW Capstan Power Switching Pulse C ROTA Color Phase Rotary Changeover SIgnal C SYNC Composite Synchronized Pulse CAS LED CASSETTE LED Signal Output CLKSEL Clock Select GND CTL Playback Record Control Signal CTL Playback Record Control Signal CTLAMPout To Monitor for CTL AMP Output D CONT Drum Motor Control Signal D FG Drum Motor Rotation Detection Pulse D PG Drum Motor Pulse Generator D RE...

Page 21: ...t P DOWN L Power Voltage Down Detector Signal P ON 44V 44V at Power On Signal P ON 5V 5V at Power On Signal P ON 9V 9V at Power On Signal P ON H Power On Signal at High PG DELAY Video Head Switching Pulse Signal Adjusted Voltage PG LP PG LP POW SAF P ON Power Detection Input Signal Signal Name Function REC LED REC LED Signal Output REC SAF SW Recording Safety SW Detect With Record tab L With out R...

Page 22: ...DER Note 1 Top Cover D1 8 S 1 2 Front Assembly D2 CN505 2 L 1 Tray Panel 7 L 2 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 3 Top Bracket D2 4 S 2 4 Jack CBA D3 3 S 3 5 DVD Mecha Assembly D4 3 S 4 CN501 CN701 1 Top Cover 8 VCR Chasis Unit 6 DVD Main CBA Unit 5 DVD Mecha Assembly 2 Front Assembly 9 Deck Assembly 4 Jack CBA 3 Top Bracket 7 Rear Panel 10 Main CBA 13 Power Supply CBA 17 Insulator 15 Deck Pedestal ...

Page 23: ...pair work To avoid damage of pickup follow next procedures 2 1 Slide the pickup unit as shown in Fig D5 2 2 Short the three short lands of FPC cable with sol der before removing the FFC cable CN101 from it If you disconnect the FFC cable CN101 the laser diode of pickup will be destroyed Fig D5 2 3 Disconnect Connector CN401 Remove three Screws S 5 and lift the DVD Main CBA Unit Fig D5 CAUTION 3 Wh...

Page 24: ...embly 6 DVD Main CBA Unit CN401 S 5 S 5 S 5 View for B Pickup Unit C B Short the three short lands by soldering View for C Slide View for A OR Short the three short lands by soldering A Fig D5 S 7 S 7 S 6 7 Rear Panel Fig D6 S 9 S 9 S 8 S 8 S 8 8 VCR Chassis Unit CN002 CN001 Fig D7 ...

Page 25: ...Shaft Cam Gear 10 Main CBA 9 Deck Assembly 10 Main CBA SW507 LD SW Pin Desolder Desolder Desolder Desolder Desolder BOTTOM VIEW From FE Head From Cylinder Assembly From AC Head Assembly Lead with blue stripe Lead with blue stripe From Capstan Motor Assembly Lead connections of Deck Assembly and Main CBA CN2002 Desolder from bottom Fig D8 ...

Page 26: ...1 W 1 S 14 16 Side Bracket 14 Deck Pedestal 1 17 Insulator 13 Power Supply CBA 15 Deck Pedestal 2 S 11 S 11 Bracket L 3 Fig D9 HOW TO MANUAL EJECT 1 Remove the Top Case 2 Make a tool from a paper clip etc length approxi mately 50 mm maximum diameter approximately 3 mm as shown below 3 Insert the tool into the manual eject hole on the DVD Mecha Then push it until the tray is ejected ...

Page 27: ...cope Dual trace with 10 1 probe V Range 0 001 50V Div F Range DC AC 20MHz 2 Alignment Tape FL6A Head Switching Position Adjust ment Purpose To determine the Head Switching point during playback Symptom of Misadjustment May cause Head Switching noise or vertical jitter in the picture Reference Notes Playback the Alignment tape and adjust VR501 so that the V sync front edge of the CH1 video output w...

Page 28: ... in 2 of Fig c is described as follows 5 After programming is finished the tray opens auto matically Fig e appears on the screen and the checksum in 3 of Fig e appears on the VFD Fig f At this time no buttons are available 6 For tray opening plug the AC cord into the AC out let 7 Turn the power on by pressing the power button and the tray will close BE F W VERSION UP MODE PLEASE INSERT A DISC FOR ...

Page 29: ...D651 D653 D652 D654 CN651 AL 5V AL 5V FRONT JACK CBA SDA SCL IC502 MEMORY 72 61 19 83 IIC BUS SCL D V SYNC D REC H DAVN L RF SW H A SW C ROTA IIC BUS SDA H A COMP V ENV OUTPUT SELECT IIC BUS SCL 71 LD SW REMOTE1 9 AL 15V 12V AL 12V 1 AL 5V AL 5V SW507 P ON 5V LD SW AL 5V D555 S LED TO POWER SUPPLY BLOCK KEY SWITCH TP501 Q507 Q502 Q511 D508 D506 D507 Q508 Q509 Q501 SENS INH M CAPSTAN MOTOR IC501 SE...

Page 30: ...Y Y C MIX 21 79 78 AGC VXO OSD CHARACTER MIX FBC 1 2 58 59 65 29 28 69 68 46 43 84 83 71 62 70 D REC H 80 BUFFER Q104 BUFFER Q103 DVD VCR TP751 V OUT WF1 TU VIDEO VIDEO BUFFER Q301 MAIN CBA FRONT JACK CBA 54 TP504 RF SW WF2 X301 4 43MHz JK653 V IN F DAVN L IC751 SW 4 3 5 11 10 9 SW CTL V IN F 7 7 Q752 R G B JK101 IC631 VPS VPS V IIC BUS SDA DAVN L IIC BUS SCL 6 14 7 16 MODE SP REC PB VIDEO SIGNAL ...

Page 31: ... 13 17 4 A PB REC CL504 3 A COM 1 AE H 2 FE H A PB REC 4 A COM 3 AE H 1 FE H 2 CL287 AUDIO HEAD AUDIO ERASE HEAD ACE HEAD ASSEMBLY FE HEAD 2 FE H 1 FE H GND CL501 MAIN CBA PB AUDIO SIGNAL REC AUDIO SIGNAL Mode SP REC 71 A MUTE H IIC BUS SCL IIC BUS SDA TO SERVO SYSTEM CONTROL BLOCK FULL ERASE HEAD 68 69 SERIAL DECODER DECK ASSEMBLY 12 16 INV ATT SMD NOTE FOR WIRE CONNECTORS 1 PREFIX SYMBOL CN MEAN...

Page 32: ...UDIO PROCESS Hi Fi HEAD AMP REC AUDIO SIGNAL PB AUDIO SIGNAL Mode SP REC DVD AUDIO SIGNAL AFV CBA JK101 A IN1 R A IN1 L 2 6 2 6 1 3 1 3 JK102 A IN2 R A IN2 L A OUT1 R A OUT1 L A OUT2 R A OUT2 L TU AUDIO R 4 TU AUDIO L 5 4 5 CN701 CN505 CN1 SIF 2 2 CN701 CN651 CN1 TU701 SIF AUDIO 22 2 D C ALC SW SW ALC D C 76 75 Q451 MUTE ON MUTE ON REAR JK751 A OUT R A OUT L JK651 A IN R F JK652 A IN L F IC751 SW ...

Page 33: ...OLTAGE DET HOT T001 POWER SUPPLY CBA MAIN CBA IC1002 SHUNT REGULATOR REG HOT CIRCUIT BE CAREFUL 20 19 18 17 16 15 14 13 12 11 1 P ON 1 8V 2 P ON 1 8V 3 EV 2 5V 4 EV 2 5V 16 EV 3 3V 17 P ON 3 3V 18 P ON 3 3V 19 P ON 3 3V 14 EV 9V 15 EV 9V 5 P ON 5V 6 P ON 5V IC1041 3 3V REG CN1001 DVD P ON 3 3V DVD P ON 5V DVD P ON 12V C POW SW P ON 5V FL P ON H P DOWN L F1 F2 EV 5V P ON 44V AL 30V AL 12V AL 12V TI...

Page 34: ...C2001 DVD MAIN CBA UNIT FUNCTION CBA MAIN CBA FG CBA RELAY CBA FRONT PANEL CONTROL TREV TIN TOUT TFWD MUTE PS CD DVD CFE CAS STANDBY ADDRESS BUS DATA BUS CD DVD CFE CAS STANDBY 71 62 63 70 SCK 72 STDIO SEN SCK STDIO 13 14 16 3 4 FG SENSOR CN401 FP STB 21 21 FP DIN 22 22 FP DOUT 23 23 FP CLK 24 24 REMOTE2 26 26 FP STB 2 2 FP DIN 5 5 FP DOUT 1 1 FP CLK 3 3 CL2004 CL2003 REMOTE1 REMOTE1 TO SERVO SYST...

Page 35: ...OR DRIVE POWER SAVE SLIDE MOTOR DRIVE LOADING MOTOR SPINDLE MOTOR SLIDE MOTOR M 5 21 2 1 23 26 25 27 22 24 4 67 115 114 118 117 DVD MAIN CBA UNIT FROM TO DVD SYSTEM CONTROL BLOCK DIAGRAM FROM TO DVD SIGNAL PROCESS BLOCK DIAGRAM SCK CD DVD TESTSG ARF NARF STDIO SEN 11 STANDBY TRAY IN 3 GND 5 TRAY OUT 4 TRAY IN TRAY OUT DAC1 DAC0 TRSDRV 119 DATA VIDEO AUDIO SIGNAL FOCUS SERVO SIGNAL TRACKING SERVO S...

Page 36: ...168 166 164 160 158 151 149 82 TO DVD VIDEO BLOCK DIAGRAM BCA DATA VIDEO AUDIO SIGNAL DVD MAIN CBA UNIT FROM TO DVD SYSTEM CONTROL BLOCK DIAGRAM CPUDT0 NINT1 ADDRESS BUS DATA BUS NINT2 NINT1 NINT2 WAIT RE WEL CS1 RESET WAIT RE WEL CS1 RESET CPUDT7 30 22 17 9 44 37 CPUADR0 CPUADR17 2 5 6 36 35 34 47 OSCI1 X201 16 9344MHz OSCO1 79 80 SMD NOTE FOR WIRE CONNECTORS 1 PREFIX SYMBOL CN MEANS CONNECTOR CA...

Page 37: ...BSYSTEM CPU VIDEO FILTERING OSD SP DECODER MIXING CD FIFO SDRAM BLOCK MOVE DENC SPDIF PCM LRCLK PCM SCLK PCM DATA0 PCM BCK FROM DVD SIGNAL PROCESS BLOCK DIAGRAM TO DVD AUDIO BLOCK DIAGRAM DVD MAIN CBA UNIT ADAC MD ADAC MC ADAC ML 191 190 189 192 TO DVD AUDIO BLOCK DIAGRAM A MUTE ADAC MD ADAC MC ADAC ML A MUTE 48 97 102 84 93 25 34 27 26 CN701 JK1401 S VIDEO OUT CN1601 8 8 DVD VIDEO Y 12 12 DVD VID...

Page 38: ...ERSAMPLING DIGITAL FILTER FUNCTION CONTROLLER ENPHANCED MULTI LEVEL DELTA SIGMA MODULATOR DAC LPF AMP L CH R CH LPF AMP DAC ZERO DETECT SYSTEM CLOCK 1 2 6 7 5 TO AUDIO BLOCK DIAGRAM VCR SECTION PCM BCK SPDIF PCM DATA0 PCM LRCLK ADAC MD ADAC MC ADAC ML PCM SCLK MAIN CBA DVD MAIN CBA UNIT AUDIO SIGNAL DATA AUDIO SIGNAL 21 21 SPDIF A MUTE 3 3V Q1204 WF6 3 WF4 WF5 FIBER OPTIC TRANS MODULE IC1204 3 SMD...

Page 39: ...ss other wise specified 7 All capacitance values are indicated in µF P 10 6 µF 8 All voltages are DC voltages unless otherwise specified 9 Voltage indications for PLAY and REC modes on the schematics are as shown below Mark Capacity change rate Standard temperature Temperature range B 10 20 C 25 85 C F 30 80 20 C 25 85 C SR 15 20 C 25 85 C Y 22 5 20 C 25 85 C 1 D3 Distinction Area Line Number 1 to...

Page 40: ...sary to replace one or more of the following Diodes all three should be replaced D506 D507 D508 1 Comparison Chart of Models and Marks MODEL MARK DVD740VR 001 A DVD740VR 051 B IC501 KEY VOLTAGE CHART KEY 1 7PIN KEY 2 8 PIN 0 00 0 51V OUTPUT TIMER 0 51 0 92V STOP EJECT POWER 0 92 1 27V REW CH UP 1 27 1 61V PLAY CH DOWN 1 61 1 98V FF 1 98 2 39V REC OTR 2 39 2 90V 2 90 3 60V 3 60 4 30V SENS INH 4 30 ...

Page 41: ... 051 B MAIN 2 8 Schematic Diagram Parts Location Guide Ref No Position C701 J 4 C703 J 4 C706 J 5 C708 I 5 C709 I 4 C711 I 4 C712 J 5 C714 I 4 C751 J 3 C752 J 3 C753 J 2 C754 J 2 C755 K 2 C756 L 2 CN701 L 4 D701 I 4 D751 K 3 IC751 I 2 L701 I 4 L702 J 5 L703 J 4 L704 I 5 Q752 J 2 R703 I 4 R704 I 4 R705 I 4 R706 I 4 R751 I 2 R752 K 3 R753 I 2 R755 J 3 R756 L 2 R757 L 2 JK751 L 2 TU701 J 5 TP751 I 2 ...

Page 42: ... 3 C324 Q 3 R315 Q 3 C325 Q 3 R316 N 4 C326 Q 3 R317 N 4 C327 Q 4 R318 N 4 C328 Q 3 R319 N 3 C329 Q 3 R320 O 3 C330 N 4 R321 N 5 C331 N 4 R322 O 4 C333 O 4 R323 N 5 C334 O 4 R325 O 4 C335 O 4 R326 O 4 C336 O 4 R327 O 4 C337 O 4 R328 O 4 C338 O 4 R330 O 4 C339 O 4 R331 O 5 C340 O 4 R332 O 5 C341 O 4 R333 O 4 C343 P 4 R334 O 4 C344 P 4 R335 P 4 C345 P 4 R336 P 4 C346 P 5 R337 P 4 C347 P 4 R339 P 5 C...

Page 43: ...8 Schematic Diagram VCR Section 1 11 12 1 11 13 1 11 14 H9330SCM4 THE SAME VOLTAGE FOR BOTH PLAY REC MODES INDICATES THAT THE VOLTAGE IS NOT CONSISTENT HERE MODE SP REC PLAY MODE REC MODE 1 2 3 5 0 5 0 2 5 SMD ...

Page 44: ...052 W 3 R1060 W 1 D1053 V 2 R1061 W 1 D1056 V 1 R1066 V 2 D1060 V 1 R1080 X 1 R1081 W 1 IC1052 W 2 R2039 U 2 IC1053 V 2 SW2011 U 2 L051 T 4 SW2012 T 2 L052 U 4 SW2016 U 2 L053 U 4 SW2017 U 2 ICS CAPACITORS RESISTORS CONNECTORS SWITCHES DIODES COILS TRANSISTORS MAIN 5 8 Schematic Diagram Parts Location Guide Ref No Position Ref No Position C451 Y 2 C488 Z 3 C452 Y 3 C453 Y 3 IC451 Y 2 C454 Y 3 C455...

Page 45: ...1 17 1 11 18 H9330SCM5 THE SAME VOLTAGE FOR BOTH PLAY REC MODES INDICATES THAT THE VOLTAGE IS NOT CONSISTENT HERE MODE SP REC PLAY MODE REC MODE 1 2 3 5 0 5 0 2 5 SMD Main 5 8 Schematic Diagram VCR Section ...

Page 46: ... R1223 DD 1 C1356 FF 1 R1224 DD 1 C1391 CC 1 R1225 DD 1 C1401 CC 3 R1226 DD 1 C1421 CC 2 R1235 CC 1 C1422 EE 3 R1236 CC 1 C1441 BB 3 R1237 CC 1 C1442 EE 2 R1238 CC 1 C1445 EE 2 R1239 CC 1 C1461 CC 3 R1240 CC 1 C1462 EE 2 R1245 BB 1 C1471 CC 1 R1246 BB 1 C1481 CC 3 R1247 BB 1 C1482 EE 2 R1352 EE 1 C1486 EE 2 R1353 EE 1 C1523 DD 3 R1354 EE 1 C1531 DD 2 R1355 EE 1 C1532 DD 2 R1356 FF 1 C1534 BB 2 R13...

Page 47: ...111 JJ 1 R107 GG 3 C112 II 3 R108 GG 3 C113 II 3 R109 HH 3 C114 II 1 R110 HH 3 C116 II 3 R111 HH 1 C117 II 1 R112 HH 3 C118 JJ 3 R113 HH 3 C119 JJ 1 R114 JJ 2 C121 GG 3 R116 HH 3 C127 HH 3 R117 HH 1 R118 II 1 D101 II 1 R119 II 3 D102 II 1 R120 HH 1 D103 II 3 R121 HH 1 D104 II 3 R122 HH 1 D105 JJ 1 R123 JJ 1 D106 II 3 R124 II 3 D107 JJ 1 R125 JJ 1 D108 II 3 R126 JJ 1 D109 II 3 R128 JJ 2 D110 II 3 R...

Page 48: ...OT CONSISTENT HERE MODE SP REC PLAY MODE REC MODE 1 2 3 5 0 5 0 2 5 SMD 1 11 23 1 11 24 MAIN 8 8 Schematic Diagram Parts Location Guide Ref No Position C631 A 1 C632 A 2 C633 B 2 C634 B 2 C635 B 1 C636 B 1 C637 B 2 IC631 A 1 R632 A 2 R633 B 2 R634 B 1 R635 B 1 R636 B 2 R637 B 2 RESISTORS ICS CAPACITORS H9330SCM8 ...

Page 49: ...001 A 4 R1012 D 2 D1002 A 3 R1013 D 2 D1003 B 4 R1020 C 1 D1004 B 3 R1021 C 1 D1005 C 3 R1022 C 1 D1006 B 3 R1023 D 1 D1007 B 2 R1024 D 1 D1008 C 2 R1029 B 3 D1009 C 2 R1032 B 2 D1010 C 3 R1035 B 2 D1011 C 3 R1036 B 2 D1012 B 3 R1037 B 2 D1013 C 3 R1038 B 1 D1014 D 3 R1039 B 1 D1015 C 2 R1040 D 2 D1016 C 2 R1042 D 2 D1017 D 1 R1043 B 3 D1018 B 2 R1044 E 3 D1022 B 2 D1024 B 2 AC1001 A 4 D1025 B 1 F...

Page 50: ...9330SCF 7G 5G 3G 1G 4G 6G 2G a d g c b e f 1 3 2 4 5 DVD VCD PBC STANDBY A B REPEAT TRK CHP TITLE Function Schematic Diagram Parts Location Guide Ref No Position C2001 C 2 C2002 C 1 C2004 C 1 C2010 B 3 C2012 C 1 C2055 B 1 CL2004 A 2 CN2001 A 1 D2001 B 2 D2003 B 2 D2004 B 2 D2005 D 2 IC2001 C 2 L2001 C 1 L2003 C 1 L2004 B 1 Q2022 A 2 R1041 B 1 R2001 C 3 R2002 B 2 R2003 B 2 R2005 C 1 R2006 A 1 R2010...

Page 51: ...n it is necessary to replace one or more of the following Diodes all four should be replaced D652 D653 D654 D655 2 Front Jack Schematic Ｄｉａｇｒａm Parts Location Guide Ref No Position C651 A 1 C652 A 1 CN651 A 1 D651 A 1 D652 A 1 D653 B 1 R651 A 1 R652 A 1 R653 A 1 R654 A 1 R655 A 1 R656 B 1 SW651 A 1 SW652 A 1 SW653 A 1 SW654 B 1 JK651 B 1 JK652 B 1 JK653 B 1 MISCELLANEOUS SWITCHES RESISTORS CAPACIT...

Page 52: ...Schematic Diagram VCR Section AFV Schematic Ｄｉａｇｒａm Parts Location Guide Ref No Position C1 A 1 C4 A 1 C5 B 1 C6 B 1 C7 B 1 C8 B 1 C11 C 2 C12 C 2 C13 B 2 C14 A 2 C15 A 2 C16 A 2 C17 A 2 C19 A 2 C20 A 2 C21 A 1 C22 A 1 C24 B 2 CN1 C 1 D2 B 2 IC1 A 1 L1 A 1 L2 A 2 L3 A 1 L4 C 2 R1 B 1 R4 B 2 R5 A 1 R6 A 1 X1 B 1 CAPACITORS RESISTORS CRYSTAL OSCILLATOR CONNECTOR DIODE IC COILS ...

Page 53: ...G 4 CL251 C 3 IC1053 B 3 Q1055 A 3 R307 D 3 C321 D 3 C467 C 3 C703 G 4 CL501 C 4 IC1201 B 4 Q1057 B 3 R310 E 3 C322 D 2 C468 C 3 C706 G 5 CL502 F 2 IC1204 A 5 Q1201 B 4 R311 D 2 C323 E 3 C469 C 4 C708 F 5 CL504 E 4 IC1402 B 5 Q1202 B 4 R314 E 3 C324 E 3 C470 C 3 C709 G 5 CL506 A 1 Q1203 A 4 R315 E 3 C325 E 3 C471 C 4 C711 G 3 CL508 E 4 L051 A 4 Q1204 B 4 R316 E 3 C326 E 3 C472 C 3 C712 G 5 CL2003 ...

Page 54: ...P504 WF2 C PB SW P VR501 S INH TP501 WF3 TP301 CTL TP503 1 11 35 1 11 36 1 11 37 Main CBA Top View BH9311F01012 A BHB300F01011 A BHB300F01011 B Sensor CBA Top View Start Sensor BHB300F01011 A BHB300F01011 B Sensor CBA Top View End Sensor ...

Page 55: ...1 C1038 C 1 C1044 C 2 R037 C 2 C1048 C 1 R082 C 3 C1049 C 2 R1002 B 1 R1003 B 1 CN001 A 3 R1004 B 3 CN002 A 3 R1005 B 2 R1006 B 1 D013 C 2 R1007 B 1 D015 C 2 R1008 B 1 D019 A 3 R1010 B 1 D020 B 2 R1011 B 2 D1001 A 2 R1012 C 2 D1002 A 2 R1013 C 1 D1003 A 2 R1020 C 1 D1004 A 2 R1021 C 1 D1005 C 2 R1022 C 1 D1006 B 1 R1023 C 1 D1007 B 2 R1024 C 1 D1008 C 1 R1029 B 1 D1009 C 2 R1032 B 1 D1010 C 2 R103...

Page 56: ...power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail BECAUSE A HOT CHASSIS GROUND IS PRESENT INTHE POWER SUPPLY CIRCUIT AN ISOLATIONTRANSFORMER MUST BE USED ALSO IN ORDERTO HAVETHE ABILITYTO INCREASETHE INPUT SLOWLY WHENTROUBLESHOOTINGTHISTYPE POWER SUPPLY CIRCUIT AVARIABLE ISOLATIONT...

Page 57: ...03 A 1 D2004 A 1 D2005 B 1 IC2001 B 1 L2001 A 1 L2003 A 1 L2004 C 1 Q2022 B 1 R1041 C 1 R2001 B 1 R2002 B 1 R2003 B 1 R2005 A 1 R2006 A 1 R2010 B 1 R2011 B 1 R2031 B 1 R2032 B 1 R2034 B 1 R2037 B 1 R2038 B 1 R2059 C 1 SW2014 A 1 FL2001 C 1 RM2001 A 1 CAPACITORS CONNECTORS COILS TRANSISTOR RESISTORS DIODES IC SWITCH MISCELLANEOUS Function CBA Top View Function CBA Bottom View ...

Page 58: ...T JACK CBA Parts Location Guide Ref No Position C651 B 1 C652 B 1 CN651 B 2 D651 B 2 D652 A 1 D653 A 1 R651 B 1 R652 B 1 R653 A 1 R654 B 2 R655 A 1 R656 A 1 SW651 A 1 SW652 B 2 SW653 A 1 SW654 A 1 JK651 B 1 JK652 B 1 JK653 B 2 MISCELLANEOUS RESISTORS DIODES CONNECTOR CAPACITORS SWITCHES ...

Page 59: ...311F01012 F AFV CBA Parts Location Guide Ref No Position Ref No Position Ref No Position C1 A 2 C17 B 1 L1 A 1 C4 A 2 C19 A 1 L2 B 1 C5 A 2 C20 A 1 L3 A 2 C6 A 2 C21 A 1 L4 A 2 C7 A 2 C22 A 1 C8 A 2 C24 A 2 R1 A 2 C11 A 2 R4 B 2 C12 A 2 CN1 B 1 R5 A 1 C13 B 1 R6 B 2 C14 A 1 D2 B 2 C15 B 1 X1 A 2 C16 B 1 IC1 B 2 CAPACITORS CONNECTOR DIODE CAPACITORS IC RESISTORS CRYSTAL OSCILLATOR COILS ...

Page 60: ... 11 50 1 11 51 H9330SCD1 DVD Main 1 4 Schematic Diagram DVD Section THE SAME VOLTAGE FOR BOTH PLAY REC MODES INDICATES THAT THE VOLTAGE IS NOT CONSISTENT HERE MODE SP REC PLAY MODE REC MODE 1 2 3 5 0 5 0 2 5 SMD ...

Page 61: ... 11 53 1 11 54 H9330SCD2 DVD Main 2 4 Schematic Diagram DVD Section THE SAME VOLTAGE FOR BOTH PLAY REC MODES INDICATES THAT THE VOLTAGE IS NOT CONSISTENT HERE MODE SP REC PLAY MODE REC MODE 1 2 3 5 0 5 0 2 5 SMD ...

Page 62: ... 11 56 1 11 57 H9330SCD3 DVD Main 3 4 Schematic Diagram DVD Section THE SAME VOLTAGE FOR BOTH PLAY REC MODES INDICATES THAT THE VOLTAGE IS NOT CONSISTENT HERE MODE SP REC PLAY MODE REC MODE 1 2 3 5 0 5 0 2 5 SMD ...

Page 63: ... 11 59 1 11 60 H9330SCD4 DVD Main 4 4 Schematic Diagram DVD Section THE SAME VOLTAGE FOR BOTH PLAY REC MODES INDICATES THAT THE VOLTAGE IS NOT CONSISTENT HERE MODE SP REC PLAY MODE REC MODE 1 2 3 5 0 5 0 2 5 SMD ...

Page 64: ... 5V x 10 5msec UPPER LOWER WF2 TP302 of Main CBA TP301 of Main CBA 1 12 2 H9330DWFP WAVEFORMS NOTE Input CD 1kHz PLAY WF4 WF6 DVD POWER ON STOP MODE WF1 WF3 WF6 SPDIF Pin 18 of CN1601 1V 0 2usec WF1 Pin 5 of CN1601 WF3 Pin 9 of CN1601 WF4 AUDIO L Pin 13 of CN1601 1V 0 5msec WF5 AUDIO R Pin 15 of CN1601 1V 0 5msec WF2 Pin 7 of CN1601 VIDEO Y 0 2V 20usec VIDEO CVBS 0 5V 20usec VIDEO C 0 2V 20usec ...

Page 65: ...1 4 AL 15V 12V 12 C F R 11 P ON 5V 10 AL 12V 1 9 GND 8 C FG 7 C CONT 6 GND 5 D FG 4 LM FWD REV 3 D CONT 2 D PG 1 FE H 2 FE H GND 1 CL501 CL502 CL504 CL251 CAPSTAN MOTOR FULL ERASE HEAD FE HEAD VIDEO R 1 HEAD VIDEO L 1 HEAD VIDEO L 2 HEAD VIDEO R 2 HEAD Hi Fi AUDIO R HEAD Hi Fi AUDIO L HEAD M DRUM MOTOR PG SENSOR DECK ASSEMBLY SENSOR CBA BHB300F01011 SENSOR CBA BHB300F01011 MAIN CBA 1 2 3 4 5 6 7 8...

Page 66: ...3 3V 17 P ON 3 3V 18 P ON 3 3V 19 PWRCON 20 FP STB 21 FP DIN 22 FP DOUT 23 FP CLK 24 CN501 EV 2 5V 3 25 26 OC KEY REMOTE2 CN3001 SW CBA M SLIDE MOTOR RELAY CBA 19 20 21 GND CD PD CD LD CD DVD 1 2 3 4 5 6 7 8 9 10 11 DETECTOR FS TS LOADING MOTOR CN302 1 FERS 2 GND 3 RDY HIF 4 SCL 5 SDA 6 BUSCLR NO CONNECTION 7 SENSJ CN201 1 MONI0 2 MONI2 3 JITTER 4 GND NO CONNECTION TO WIRING DIAGRAM VCR SECTION TO...

Page 67: ...0V 4 12V EJ 4 51V 5 00V 5 00V CL 0 00V 0 25V 0 00V SB 1 06V 1 50V 1 21V TL 0 66V 1 05V 0 91V FB 1 99V 2 60V 2 17V SF 1 51V 1 98V 1 80V AU 3 20V 3 75V 3 40V AL 0 26V 0 65V 0 44V SS 4 51V 5 00V 5 00V GC 2 61V 3 19V 2 97V RS Symbol Loading Status EJ Eject CL Eject REW Reel SB REW Reel Stop B TL Stop B Brake Cancel FB Brake Cancel SF Stop A AU Stop A Play REC AL Play REC Still Slow SS Still Slow Capst...

Page 68: ...LL FRAME ADVANCE STILL The first rise of RF SW after a rise in F AD signal Stop detection T2 Slow Tracking Value Acceleration Detection T1 Reversal Limit Value 18 RF SW F AD Internal Signal 5 C DRIVE PB CTL 78 C F R 16 H A SW 15 ROTA Fig 1 ...

Page 69: ...D Internal Signal 5 C DRIVE PB CTL 78 C F R 16 H A SW 15 ROTA STILL STILL AT ST BL Stop detection T2 Acceleration Detection T1 Slow Tracking Value Reversal Limit Value FRAME ADVANCE The first rise of RF SW after a rise in F AD signal Fig 2 ...

Page 70: ...D REV LD REV LD FWD LD FWD LD REV LD REV LD REV 0 5S PIN NO CL EJ SB TL SB GC FB GC SS AL SS AU AU TL LD SW CL GC LM FWD M REV C DRIVE Z ON ON C F R DRUM ROTATION P ON POWER OFF STOP PLAY RS FS STILL SLOW PLAY STOP PLAY A MUTE H D REC H D PB L DISPLAY PAUSE SLOW AU RS AL AL AL SF SS AL AU AU AU SF FB SF SF AL AL 2 5S 0 2S EJ AL RS SF AU TL FB SS SB 0 2S 0 8S 0 3S 1 0S 0 2S 0 2S 0 2S 1 2S 0 4S 0 2S...

Page 71: ...D REV LD REV LD REV FF PIN NO SF FB TL AL GC FB GC SS AL SS AU AU TL LD SW CL GC LM FWD M REV C DRIVE Z ON ON C F R DRUM ROTATION P ON STOP FF STOP REW STOP REC REC REC PAUSE STOP A MUTE H D REC H D PB L DISPLAY PAUSE REC or PAUSE STOP EJECT STOP EJECT STOP EJECT AU FB FB AU SS GC RS AL AL SF FB TL SB CL EJ RS SS GC AL AU AU AU FB SF SF SF SF SF AU AL AL FB SF EJ AL RS SF AU TL FB SS SB 0 2S 0 4S ...

Page 72: ...ching Pulse H L 19 OUT Hi Fi H SW HiFi Audio Head Switching Pulse H L 20 IN DAVN L VPS PDC Data Receive L L 21 N U Not Used 22 N U Not Used 23 OUT POWER LED POWER LED Signal Output H L 24 OUT CAS LED CASSETTE LED Signal Output H L 25 OUT TIMER LED TIMER LED Signal Output H L 26 OUT REC LED REC LED Signal Output H L 27 N U Not Used 28 OUT RGB THROUGH SCART 2 RGB Through Control Signal L Hi z 29 OUT...

Page 73: ...77 OUT D CONT Drum Motor Control Signal PWM 78 OUT C F R Capstan Motor FWD REV Control Signal FWD L REV H H L 79 IN S REEL Supply Reel Rotation Signal PULSE 80 IN T REEL Take Up Reel Rotation Signal PULSE Pin No IN OUT Signal Name Function Active Level 81 OUT LM FWD REV Loading Motor Control Signal H L Hi z 82 OUT DVD POWER DVD Power Control Signal L 83 OUT A MUTE H Audio Mute Control Signal Mute ...

Page 74: ...t a KEY 1 Segment Output Key Souce 1 8 Out b KEY 2 Segment Output Key Souce 2 9 Out c Segment Output 10 Out d KEY 4 Segment Output Key Souce 4 11 Out e Segment Output 12 In f 13 In g 14 Out h 15 VEE Pull Down Level 16 Out i Segment Output 17 Out 7G Grid Output 18 6G 19 5G 20 4G 21 3G 22 2G 23 1G 24 VDD Power Supply 25 VSS GND 26 In OSC Oscillator Input 27 Out DOUT Serial Data Output 28 In DIN Seri...

Page 75: ...TC3203 Y KTC3205 Y 2SA966 Y 2SC2001 K L 2SA1020 Y 2SB892 S 2SC3266 Y TPE2 2SA1015 GR TPE2 E C B A K C E LTV 817 B C F G D S FS2KM 18A KIA78R33PI PQ3RD13 1A 1 4 8 5 NJM4558D KIA4558P 28 15 14 PT6315 S TP 1 R A K KIA431 AT 1 2 3 4 PQ018EF01SZ 34 18 17 MM1567AJBE 1 81 80 31 100 50 30 1 51 QSZAD0RMB132 LA71750AM MTB 16 9 8 TC4053BF N BU4053BCF E2 1 MID 32A22 PT204 6B 12 E C 5 4 8 1 BR24C02F W AT24C02N...

Page 76: ...2 2L022 2L022 2L022 2L036 2L035 2L022 2L054 2L034 2L034 2L034 2L041 2L041 2L041 2L041 2L041 A2 2L041 2L041 A B Main CBA Sensor CBA Sensor CBA 2B1 See Electrical Parts List for parts with this mark Some Ref Numbers are not in sequence AFV CBA 2B6 2B40 JW005 JW008 JW007 JW009 A1X 2L054 2B37 Function CBA RM2001 2B48 2B18 A4 2L062 2L031 2L031 2L031 2L037 JW006 2B11 2L034 2L034 2B33 2B33 2L053 2L053 AC...

Page 77: ...31 A14 Comparison Chart of Models and Marks Model Mark DVD740VR 001 DVD740VR 051 A B X20B X20 X20A X20C X20D X20E X20J X20H X20G X20F X20I A B Some Ref Numbers are not in sequence X2 X3 X26 X4 B S9 X1 Unit S3 X6 S2 S2 Packing ...

Page 78: ...LS 2 2 1 MECHANICAL ALIGNMENT PROCEDURES 2 3 1 DISASSEMBLY ASSEMBLY PROCEDURES OF DECK MECHANISM 2 4 1 ALIGNMENT PROCEDURES OF MECHANISM 2 4 9 DECK EXPLODED VIEWS 2 5 1 DECK PARTS LIST 2 6 1 Sec 2 Deck Mechanism Section I Standard Maintenance I Mechanism Alignment Procedures I Disassembly Assembly of Mechanism I Deck Exploded Views I Deck Parts List ...

Page 79: ...bove refer to Deck Exploded Views B73 Recording Model only H Hours Check I Change Deck Periodic Service Schedule Ref No Part Name 1 000 H 2 000 H 3 000 H 4 000 H B2 Cylinder Assembly I I B3 Loading Motor Assembly I B8 Pulley Assembly I I B27 Tension Lever Sub Assembly I I B31 AC Head Assembly I B573 B574 Reel S Reel T I B37 Capstan Motor I I B52 Cap Belt I I B73 FE Head I B133 Idler Assembly I I B...

Page 80: ... hard material but since it is very thin avoid cleaning it vertically 2 Wait for the cleaned part to dry thoroughly before operating the unit 3 Do not reuse a stained head cleaning stick or a stained chamois cloth Cleaning of Audio Control Head Clean the head with a cotton swab Procedure 1 Remove the top cabinet 2 Dip the cotton swab in 90 isopropyl alcohol and clean the audio control head Be care...

Page 81: ...t Tape FL6N8 2 Head model FL6NS8 4 Head model Azimuth and X Value Adjustment of Audio Control Head Adjustment of Envelope Waveform J 2 Guide Roller Adj Screwdriver Available Locally Guide Roller J 3 Mirror Available Locally Tape Transportation Check J 4 Azimuth Adj Screwdriver Available Locally A C Head Height J 5 X Value Adj Screwdriver Available Locally X Value ...

Page 82: ...e that the Moving guide preparations are in the Eject Position 4 Turn the LDG Belt in the appropriate direction shown in Fig M1 until the Moving guide prepara tions come to the Eject Position Stop turning when the preparations begin clicking or can not be moved further However the tape will be left wound around the cylinder 5 Turn the LDG Belt in the appropriate direction con tinuously and the cas...

Page 83: ...t the X value and envelope Not good Do the final tape traveling test to see that the tape runs normally in play mode with out creasing or slacking Completion Not good OK OK OK Not good Not good OK Flowchart of Alignment for tape traveling 1 A 1 A 1 B 1 C 1 C 1 D 1 D 1 B 1 C 1 B 1 C 1 A 1 Tape Interchangeability Alignment Note To do these alignment procedures make sure that the Tracking Control Cir...

Page 84: ...osition of the Audio Control Erase Head Symptom of Misalignment If the Horizontal Position of the Audio Control Erase Head is not properly aligned maximum envelope can not be obtained at the Neutral position of the Tracking Control Circuit 1 Connect the oscilloscope to TP301 C PB and TP501 CTL on the Main CBA Use TP502 RF SW as a trigger 2 Playback the Gray Scale of the Alignment Tape FL6NS8 and c...

Page 85: ...t of Guide Roller 2 Refer to Fig M3 so that the waveform looks like the one shown in Fig M9 4 If the envelope is as shown in Fig M8 adjust the height of Guide Roller 3 Refer to Fig M3 so that the waveform looks like the one shown in Fig M9 5 When Guide Rollers 2 and 3 Refer to Fig M3 are aligned properly there is no envelope drop either at the beginning or end of track as shown in Fig M9 Note Upon...

Page 86: ... S 5 8 8 Loading Motor Assembly T DM1 DM7 Desolder LDG Belt 2 S 6 9 9 AC Head Assembly T DM1 DM7 S 7 10 2 Tape Guide Assembly T DM1 DM8 P 2 11 10 Door Opener B T DM1 DM8 L 1 L 2 12 11 Pinch Arm B T DM1 DM8 P 3 13 12 Pinch Arm A Assembly T DM1 DM8 14 14 FE Head T DM1 DM9 S 9 15 15 Prism T DM1 DM9 S 10 16 2 Slider Shaft T DM10 S 11 L 3 17 16 C Drive Lever L T DM10 18 16 C Drive Lever R T DM10 19 7 1...

Page 87: ...lubrication 35 25 Loading Arm S B Assembly B DM2 DM15 Refer to Alignment Sec Pg 2 4 9 36 35 Loading Arm T B Assembly B DM2 DM15 Refer to Alignment Sec Pg 2 4 9 37 2 25 M Brake T HI Assembly T DM1 DM16 P 6 38 2 25 M Brake S HI Assembly T DM1 DM16 P 7 39 38 Tension Lever Sub Assembly T DM1 DM16 40 39 T Lever Holder T DM1 DM16 L 6 41 2 M Gear HYT T DM1 DM16 C 7 42 2 15 Sensor Gear T DM1 DM16 C 8 43 3...

Page 88: ...2 4 3 HC460DA 14 13 11 10 12 7 50 8 33 44 42 31 32 41 43 46 45 47 9 37 15 39 40 38 Fig DM1 Top View Fig DM2 Bottom View 35 19 36 24 25 27 26 23 28 34 20 29 22 ...

Page 89: ...ushing the locking tab as shown in the right slide and pull up the right side on 2 to release Pin A and Pin B from the slots A Then remove Pin C and Pin D on 2 from the slots B as shown 1 2 A Fig DM4 3 4 5 6 S 3 S 2 S 4 P 1 Fig DM5 7 L 8 A View for A S 5 Fig DM6 Desolder from bottom Lead with Blue Stripe Type B L 9 Type A 50 50 51 ...

Page 90: ...of 12 are in the grooves of 28 as shown 11 13 12 A 10 L 1 P 3 Adj Screw P 2 L 2 View for A Fig DM8 17 16 18 S 11 L 3 After removing the Screw S 11 while pressing the Locking Tab L 3 remove 16 Fig DM10 8 9 S 7 S 6 LDG Belt A Fig DM7 8 View for A Desolder from bottom Lead with White Stripe 14 15 S 10 S 9 Fig DM9 ...

Page 91: ...2 4 6 HC460DA S 12 19 Cap Belt Fig DM11 Fig DM12 20 C 1 21 ...

Page 92: ... 31 C 6 Pin of 37 Pin of 34 Position of Mode Lever when installed Pin of 38 23 P 4 C 3 P 4 28 28 23 When installing 23 install the spring P 4 to 28 as shown in the left figure and then install 23 while pressing the spring P 4 to the direction of the arrow in the left figure and confirming that the position of the spring P 4 is placed as shown in the left figure Pin on bottom of 23 Pin on 22 Positi...

Page 93: ...2 4 8 HC460DA 36 34 33 P 5 L 5 35 Refer to the Alignment Section Page 2 4 9 Fig DM15 L 6 P 7 P 6 C 7 38 44 41 39 43 37 40 turn turn turn 42 C 8 Fig DM16 45 46 47 L 7 Fig DM17 49 48 Slide Fig DM18 ...

Page 94: ...o the mechanical or electrical parts Alignment points in Eject Position Alignment 1 Loading Arm S and T Assembly Install Loading Arm S and T Assembly so that their triangle marks point to each other as shown in Fig AL2 Alignment 2 Mode Gear Keeping the two triangles pointing at each other install the Loading Arm T Assembly so that the last tooth of the gear meets the most inside teeth of the Mode ...

Page 95: ...ly Install the Rack Assembly so that the first tooth on the gear of the Rack Assembly meets the first groove on the Cam Gear A as shown in Fig AL4 Cam Gear A First tooth First groove on the Cam Gear A Alignment 3 Top View Gear on Rack Assembly Fig AL4 ...

Page 96: ...ence Mark Description SLIDUS OIL 150 B2 B35 B553 B410 B411 B494 B567 L1053 B74 B10 L1191 B73 B9 B12 B492 B11 B571 B37 B126 L1466 B501 B8 B121 B426 B560 L1450 L1051 L1467 Floil G 374G Blue grease Chassis Assembly Top View Lubricating Point Chassis Assembly Bottom View Lubricating Point L1468 ...

Page 97: ...B565 L1151 B525 B522 B31 L1406 B148 B521 B520 B416 B518 B564 B487 B573 B574 B499 B27 B508 B414 B505 B572 B558 B557 B568 B417 B585 B3 B587 Note Both the TENSION LEVER SUB ASSEMBLY MK11 B27 and the TENSION LEVER ASSEMBLY MK11 B587 can be used B551 Bottom Side Grease point B516 B559 B52 B507 B488 B133 B584 B581 B583 B580 B582 A View for A B578 B579 B579 Deck Mechanism View 2 ...

Page 98: ...1 B347 L1321 B359 B529 B360 B361 B359 B529 B360 Type B Type A Note There are two different but interchangeable types of CLEANER LEVER B359 in this model and have different combination with B361 Please see Table 1 for details and combination Refer to DECK PARTS LIST section B361 B359 CLEANER LEVER Type Part No Part No A 0VM411114 Not used 0VM304413 0VM305090 B Table 1 B359 and B361 Combination ...

Page 99: ...870 1 1 B121 WORM MK11 0VM412544 1 1 B126 PULLEY MK11 0VM412543 1 1 B133 IDLER ASSEMBLY 2 MK10 0VSA11531 1 1 B148 TG CAP MK6 0VM407664C 1 1 B300 C DRIVE LEVER R MK11 0VM305068 1 1 B303 F DOOR OPENER MK11 0VM203299 1 1 B347 GUIDE HOLDER A MK10 0VM304920 1 1 B354 SLIDER R MK11 0VM101040 1 1 B355 SLIDER L MK11 0VM203296 1 1 B359 CLEANER LEVER MK10 or 0VM304413 1 1 CLEANER LEVER MK11 0VM305090 1 1 B36...

Page 100: ... 0VM304440 1 1 B579 TR GEAR B MK10 0VM304441C 1 1 B580 TR GEAR C MK11 0VM305094 1 1 B581 CENTER GEAR HYT N12G5F or 0VM412379 1 1 CENTER GEAR MK11 0VM305081 1 1 B582 TR GEAR SPRING MK10 0VM411187 1 1 B583 REEL WASHER MK9 5 2 1 0 5 0VM410058 1 1 B584 TR GEAR SHAFT MK10 0VM411186 1 1 B585 PSW 317505 MK11 0VM413663 1 1 B587 TENSION LEVER ASSEMBLY MK11 0VSA12075A 1 1 L1051 SCREW B TIGHT M2 6X6 PAN HEAD...

Page 101: ...65 000 15292 ELECTROLYTIC 47µF 6 3V M C330 9965 000 15293 ELECTROLYTIC 100µF 16V M C331 9965 000 15294 ELECTROLYTIC 220µF 6 3V M C334 9965 000 15291 ELECTROLYTIC 1µF 50V M H7 C335 9965 000 15295 ELECTROLYTIC 100µF 6 3V H C340 9965 000 15291 ELECTROLYTIC 1µF 50V M H7 C343 9965 000 15290 ELECTROLYTIC 10µF 16V M H C344 9965 000 15296 ELECTROLYTIC 4 7µF 25V M C345 9965 000 15297 ELECTROLYTIC 0 47µF 50...

Page 102: ...03 4822 051 30103 10k 5 0 062W R404 4822 051 30103 10k 5 0 062W R405 4822 117 12925 47k 1 0 063W 0603 R406 4822 051 30223 22k 5 0 062W R407 4822 051 30562 5k6 5 0 063W 0603 RC21 RST SM R409 4822 051 30562 5k6 5 0 063W 0603 RC21 RST SM R410 9965 000 13036 CHIP RES 1608 1 10W J 1k Ω R413 4822 051 30334 330k 5 0 062W R416 9965 000 09966 CHIP RES 1608 1 10W J 390k O R419 4822 051 30103 10k 5 0 062W R4...

Page 103: ...93 39k 5 0 062W R1360 9965 000 09942 CHIP RES 1608 1 16W J 330k O R1364 9965 000 09942 CHIP RES 1608 1 16W J 330k O R1502 4822 051 30103 10k 5 0 062W R1521 4822 157 10332 R2039 4822 051 30103 10k 5 0 062W SW501 4822 276 13954 KSM0614B SW502 4822 276 13954 KSM0614B SW503 4822 276 13954 KSM0614B SW504 4822 276 13954 KSM0614B SW505 4822 276 13954 KSM0614B SW506 9965 000 15333 LEAF SWITCH LSA 1142 1AU...

Page 104: ... 15290 ELECTROLYTIC 10µF 16V M H C469 9965 000 15303 ELECTROLYTIC 22µF 10V M H C470 9965 000 15298 ELECTROLYTIC 4 7µF 25V M C471 9965 000 15290 ELECTROLYTIC 10µF 16V M H C473 9965 000 15298 ELECTROLYTIC 4 7µF 25V M C475 9965 000 15303 ELECTROLYTIC 22µF 10V M H C478 9965 000 15303 ELECTROLYTIC 22µF 10V M H C479 9965 000 15298 ELECTROLYTIC 4 7µF 25V M C480 9965 000 15290 ELECTROLYTIC 10µF 16V M H C5...

Page 105: ...1 30152 1k5 5 0 062W R507 4822 117 12902 8k2 1 0 063W 0603 R537 4822 051 30681 680Ω 5 0 062W R538 4822 051 30152 1k5 5 0 062W R539 4822 051 30103 10k 5 0 062W R540 4822 051 30103 10k 5 0 062W R541 4822 051 30103 10k 5 0 062W R543 9965 000 13036 CHIP RES 1608 1 10W J 1k Ω R544 4822 051 30103 10k 5 0 062W R545 4822 051 30103 10k 5 0 062W R546 9965 000 13036 CHIP RES 1608 1 10W J 1k Ω R547 4822 051 3...

Page 106: ... 15333 LEAF SWITCH LSA 1142 1AU SW507 9965 000 08561 ROTARY MODE SWITCH SSS 43MD SW508 4822 276 13954 KSM0614B SW511 9965 000 15334 TACT SWITCH KSM0611B TP301 9965 000 15335 PCB JUMPER D0 6 P6 0 TP501 4822 157 10332 TP502 4822 157 10332 TP503 9965 000 15335 PCB JUMPER D0 6 P6 0 TP504 4822 157 10332 TP751 9965 000 15336 PCB JUMPER D0 6 P28 0 TU701 9965 000 12265 TUNER UNIT TMDG2 631A VR501 9965 000...

Page 107: ...09182 ZENER DIODE DZ 5 1BSCT265 D1015 9965 000 14881 ZENER DIODE DZ 6 8BSBT265 D1016 9965 000 14882 RECTIFIER DIODE FR101 D1017 9965 000 14883 ZENER DIODE DZ 18BSCT265 D1018 4822 130 30621 1N4148 D1022 4822 130 30621 1N4148 D1024 4822 130 30621 1N4148 D1025 4822 130 30621 1N4148 D1030 4822 130 83883 FR202 D1041 4822 130 31933 1N5061 D1042 4822 130 31933 1N5061 D1043 4822 130 31933 1N5061 FH1001482...

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