JVC KD-AVX1 service manual Front end board

Page 83

Front end board

Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)

Forward side

 

 

 

 

 

R435

SW4

R437

R438

R436

C431

R433

R431

R422

C421

B204

C433

R434

R432

 

 

 

 

 

 

 

C432

K445IC411

 

C366

 

 

 

C532

R522

C521

 

 

 

 

 

R534

R532

R533

R531

 

 

 

 

 

 

 

 

 

 

 

R535

 

 

K301

 

 

 

L451

 

 

 

 

 

 

 

 

C451

IC303

C361

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R301

 

 

 

C301

 

C360

R300

R310

 

R387

 

 

 

 

R302

 

 

 

 

R388

 

 

 

 

 

 

C380

 

R386

 

IC304

 

 

 

 

 

 

 

 

 

 

R315

C313

 

 

 

 

 

R316

C339

C264

R255

 

C261 C260

 

 

 

 

R376

 

 

 

R253

 

 

 

R378

R251

R233C263

C262

C254

C253

 

R379

 

 

R377

 

 

 

 

 

 

 

C252

C533

 

 

 

 

K444

 

 

 

 

 

 

C452

 

R442

R441

 

 

R538

R537

R536

C531

 

 

 

 

K452

 

K451

 

 

 

 

 

 

 

K406

R331

K404

K405

 

K403

K441

 

 

 

R349

 

 

K407

K401

K402

 

 

L301

 

 

 

 

R329

 

R305

 

 

 

 

 

 

 

 

 

 

 

 

Q301

 

R361

 

 

 

 

 

 

 

 

 

R330

 

 

 

 

 

 

 

 

R348

R347

 

R346

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R326

 

 

 

 

 

R344

R328

R327

 

C9

R362

R325

 

 

 

 

 

 

 

 

R359

 

 

R341

 

 

R342

C318

R340

R350

 

 

 

 

 

 

 

 

R360

 

 

 

 

IC401

R345

C453

K431

K430

K433

C454

 

 

 

R355

K426

R357

R358

 

 

 

 

 

R356

 

 

 

 

C302

 

R389

 

 

 

C305

 

 

 

R390

R303

C20

 

 

 

C15

C18

C21

L307

 

L306

 

C2

 

 

 

 

L305

 

 

 

 

 

R321

 

 

 

R322

 

R492

 

 

 

 

 

 

 

 

 

R314

R380

R354

R353

 

C317

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C491

 

 

 

 

 

 

 

 

 

 

 

 

 

R374

C340

R312

R313

C349

 

 

 

 

 

 

 

 

 

 

TH491

C330

C337

C338

C332

C334

C333

C331

C335

 

 

 

R491

 

 

 

 

 

 

 

 

 

 

 

 

 

SW5

C397

K399

C398

C23 C22

C384

 

 

R235

Q231

 

Q105

 

R118

R110

 

 

R108

 

 

 

C213

R231

R126

D101

R117

Q102

R109

 

 

 

 

 

 

 

Q104

 

 

 

 

 

 

R234

 

 

 

 

 

 

 

 

R107

 

 

 

 

 

R232

 

C111

 

 

 

 

 

 

 

 

 

 

 

 

C211

 

 

 

 

 

 

 

 

R364

C359

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C104

 

 

 

 

R363

C358

 

 

 

 

 

 

 

 

 

 

Q101

 

 

 

 

 

R101

K102

C103

 

 

R106

 

 

 

 

 

C113

 

 

 

 

 

C106

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C201

 

R116

 

 

 

 

 

R104

 

 

 

 

R114

 

 

 

 

 

 

 

 

 

 

R201

 

 

 

 

 

 

 

R103

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C101

R115

 

 

C108

 

 

 

 

 

R125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R21

C107

 

 

 

 

 

 

 

R112

R111

C105

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R113

 

 

 

 

 

 

Q103

 

R105

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2-18

Page 82 Page 84
Image 83
Page 82 Page 84
Contents KD-AVX1 For Northern America version SpecificationPAL For Europe versionAudio Amplifier Section For Asia & Australia versionSection Precautions Handling the traverse unit optical pickup Preventing static electricityGrounding to prevent damage by static electricity Important for laser products Reproduction and Position of LabelsSection Specific Service Instructions Side heat sink Main body section Removing the panel assembly SeeRemoving the side heat sink See Reference Remove the panel assembly and side heat sink Removing the top chassis assembly See Figs.3 toRemoving the DVD mechanism assembly See Figs.8 Removing the front chassis assembly SeeRemoving the main sub board See Removing the loading unit assembly SeeRemoving the front bracket assembly See CN962 Front bracket assemblyDetach lever Connector cover Removing the connector board See Figs.13 toRemoving the main board See Figs.16 Rear heat sink Rear bracket Removing the panel switch board SeeRemoving the rear bracket See CN582 Removing the switch board See Figs.20Removing the panel board See Figs.20 Short-circuit points Removing the mechanism section See to Removing the top cover SeeReattaching the clamper unit See to Removing the clamper unit See toClamper unit Clamper spring Notch 20 No.MA165 Removing the front unit See to Removing the loading arm assembly See Removing the rod LR/roller assembly See Removing the DVD pickup assembly See to Removing the spindle motor See Removing the feed motor assembly SeeConnection method Standard measuring conditions Test instruments required for adjustmentConnection procedure Adjustment procedure Adjustment method for jitterD8CA Jitter value conversion tableOperation procedures Service mode Standard input/output conditionsService mode setting procedure Service Mode Ntsc Running Mode Service MODE4 RDS S Mode Monitor S Mode DVD check modeError code tables Mechanism error codeWriting method for micon ROM correction Running modeUpdate method of firm ware Power on Insert the disc which a farm was written in atChroma Monitor adjustment16 PIN Cord Diagram for E version Section TroubleshootingNo.MA1651-39 16 PIN Cord Diagram for A, J, U, UN, UT versionVPT Parts List Exploded view of general assembly and parts list 133 131 132 General Assembly Panel Assy DVD mechanism assembly and parts list DVD mechanism Thrust Spring QYSPSFT2040ZA TAP Screw Electrical parts list QERF1HM-225Z Capacitor QERF1HM-104Z Capacitor Part Name Description Local R231 NRSA63J-104X NRSA63J-2R2X MG Resistor Panel board NDC31HJ-2R0X Capacitor 16W J R601 NRSA63J-121X Connector board NEAF0GM-227X Capacitor SW4 Packing materials and accessories parts list Packing and Accessories Schematic Diagrams Safety precaution M O Block diagram Version Main amplifier section Standard schematic diagramsSheet GDC-R Panel-A sectionS456 MA2SV03-X Panel-B sectionSheet Sheet Connecting sectionSheet Tubuyaki DVD servo control sectionTo CN965 Sheet Main board Printed circuit boardsReverse side Panel board CN521 R483 C475 R482 C474 R481 R480 C470 C485 L472 IC585 Connector board M O Front end board IC301 No.MA165SCH
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