Kenwood KAC-8402 Service Manual Download Page 4

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KAC-8402/8452

R639

R640

W575

C902

W533

R255

R256

R451

R452

R905

TH601

TH602

TH603

R216

R218

R416

R417

R418

R453

C217

R273

R629

C33

C34

C338

C417

C337

C418

C607

C610

R633

C171

R123

R124

C302

C218

R303 R304

R305

R306

R311

R312

C101

C102

R100

R103 R104

R105

R106

R111

R112

C124

C324

C107

C126

C156

C203

C204

C326

C356

C403

C404

C609

R196

R203

R204

R227

R228

R396

R403

R404

R635

R636

R654

R655

R656

R657

C105

C106

C113

C114

C131

C132

C220

C222

C305

C306

C419

C420

C421

C422

C910

C911

C912

C913

R107

R108

R109

R110

R113

R114

R115

R116

R117

R118

R119

R120

R121

R122

R125

R126

R170

R172

R194

R195

R201

R205

R206

R207

R208

R209

R210

R211

R212

R213

R214

R223

R224

R230

R232

R238

R240

R258

R260

R263

R264

R265

R266

R280

R282

R284

R285

R287

R307

R308

R309

R310

R313

R314

R315

R316

R317

R318

R319

R320

R321

R322

R325

R326

R370

R372

R394

R395

R401

R405

R406

R407

R408

R409

R410

R411

R412

R413

R414

R421

R423

R424

R425

R426

R427

R428

R429

R430

R431

R432

R437

R438

R439

R440

R457

R458

R460

R463

R464

R465

R466

R480

R481

R484

R486

R488

R617

R620

R621

R622

R623

R632

R634

R637

R671

W576

W560

W549

C333

C334

C133

C134

W568

W571

W554

W570

W552

W551

W540

W538

W553

W517

W529

W546

W539

W528

W532

W535

W531

W527

W564

W563

W526

W518

W561

W519

W521

W520

W569

W548

W562

W516

W530

W555

W523

W572

W536

W558

W534

W565

W566

W567

W559

R628

W547

W543

W544

W556

W557

W545

W541

W542

W550

W537

W524

W525

W573

R638

R625

R274

R473

R474

W522

W362

W260

W266

W265

W297

W258

W177

C606

R261

R461

C300

W206

C100

R371

C207

C208

C251

C263

C264

C407

C408

C450

C451

R171

C463

C464

C608

C908

C909

C103

C104

C109

C110

C111

C112

C115

C116

C150

C201

C202

C205

C206

C209

C210

C211

C212

C213

C214

C303

C304

C309

C310

C311

C312

C315

C316

C350

C401

C402

C405

C406

C409

C410

C411

C412

C413

C414

C415

C416

R101

R102

R198

R219

R220

R221

R222

R234

R244

R246

R248

R262

R271

R301

R302

R398

R419

R420

R422

R433

R434

R435

R436

R441

R442

R443

R444

R445

-VCC

+VCC

R446

R447

R448

R454

R455

R459

R470

R471

W203

W192

W200

W340

W332

W306

W358

W359

W242

W188

W243

W183

W349

W344

W180

W169

W175

W345

W300

W309

W285

W313

W337

W310

W355

W356

W338

W312

W343

W321

W305

R300

W351

W341

W314

W168

W316

W320

W317

W333

W174

W311

W299

W287

W282

W298

W292

W303

W273

W361

W279

W222

W215

W228

W307

W342

W179

W301

W326

W214

W247

W246

W288

W281

W323

W363

W296

W244

W181

W308

W304

W280

W166

W227

W189

W324

W289

W302

W261

W268

W283

W319

W269

W270

W211

W236

W202

W190

W357

W315

W330

W329

W322

W249

W255

W257

W254

W353

W347

W259

W346

W350

W199

W184

W158

W167

W185

W205

W219

W226

W220

W209

W201

W325

W276

W193

W277

W221

W264

W149

W195

W171

W245

W271

W272

W182

W196

W187

W191

W204

W164

W217

W328

W335

W253

W210

W170

W176

W348

W294

W293

W231

W339

W336

W225

W162

W165

W290

W198

W197

W291

W241

W224

W186

W208

W250

W334

W172

W327

W275

W331

W318

W115

W118

W360

W216

W230

W234

W235

W104

W232

W178

W295

W163

W238

W213

W223

W207

W229

W212

W218

W194

W173

W161

W239

W286

W233

W284

W263

W267

W278

W274

W240

W251

W256

W352

W365

W252

W248

W262

W370

C261

C461

-B

VR2

VR3

VR4

B E

Q626

Q627

D101

D301

D102

D302

Q610

D614

Q614

D300

D100

D107

Q241

Q242

Q280

Q282

Q481

Q482

Q611

Q612

Q613

D229

D295

D430

D459

D460

D461

D495

D617

D618

Q443

Q444

Q625

Q212

Q419

Q420

Q421

Q422

D152

D204

D251

D261

D403

D404

D405

D408

D457

D458

D462

D463

D613

Q201

Q202

Q203

Q204

Q205

Q206

Q207

Q208

Q210

Q216

Q218

Q401

Q402

Q403

Q404

Q405

Q406

Q407

Q408

Q409

Q410

Q415

Q416

Q417

Q418

Q621

Q622

Q623

CN1

Q220

Q423

Q424

Q222

Q225

Q425

Q426

Q213

Q411

Q412

IC1

IC2

LINE OUT

A+B

LINE IN

SPEAKER

LEVEL

INPUT

SPEAK

SPEAKER OUTPUT B

AUDIO UNIT
X09-5840-1x A/2
(J76-0074-11)

DC voltmeter

ARch 2.5mV

DC voltmeter

BLch 2.5mV

DC v

oltmeter

BRc

2.5mV

PC BOARD (FOIL SIDE VIEW)

www. xiaoyu163. com

QQ 376315150

TEL 13942296513

TEL 13942296513 QQ 376315150 892498299

Summary of Contents for KAC-8402

Page 1: ...ng Panel A21 4464 02 Screw set N99 1759 05 Connecting cord assy E30 6144 05 KAC 8402 KAC 8452 K type Dressing Panel A21 4469 02 KAC 8452 K type A21 4470 02 KAC 8402 A21 4524 02 KAC 8452 E type KAC 8452 M type 19cm Fuse 40A F52 0016 05 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376...

Page 2: ...MUTE Q443 444 MUTE SPEAKER SPEAKER OUTPUT OUTPUT POWER AMP POWER AMP B B LPF IC6 X08 SW4 HPF OFF LPF 18dB IC7 8 X08 B B SW SW AB A SW0 L OUTPUT LEVEL R P CON CIRCUIT AVR P CON CONVERTER DC DC OVERLOAD PROTECTOR DC DETECTOP BATTERY CIRCUIT OVER VOLTAGE PROTECTION THERMAL 15V LINE IN 6dB 0dB 32 5dB 0dB INPUT SENS INPUT SENS A B LINE IN A B LINE OUT HPF OFF SW3 X08 X09 X09 www xiaoyu163 com QQ3763151...

Page 3: ...e amplifying step differential amplifying Ref No Application Function Q220 For ACH final current amplifying Q221 For ACH voltage amplifying step differential amplifying Q222 223 For ACH final current amplifying Q225 For ACH final current amplifying Q241 242 Mute Q280 3dB Attenuator circuit Q282 3dB Attenuator circuit Q401 410 For BCH voltage amplifying step differential amplifying Q411 412 For tem...

Page 4: ...6 R441 R442 R443 R444 R445 VCC VCC R446 R447 R448 R454 R455 R459 R470 R471 C W203 W192 W200 W340 W332 W306 W358 W359 W242 W188 W243 W183 W349 W344 W180 W169 W175 W345 W300 W309 W285 W313 W337 W310 W355 W356 W338 W312 W343 W321 W305 R300 W351 W341 W314 W168 W316 W320 W317 W333 W174 W311 W299 W287 W282 W298 W292 W303 W273 W361 W279 W222 W215 W228 W307 W342 W179 W301 W326 W214 W247 W246 W288 W281 W32...

Page 5: ...W148 W170 W176 W128 W130 W144 W162 W165 W150 W153 W135 W133 72 W151 W126 W134 W110 W116 W121 W120 W117 W113 W114 W112 W129 W127 W143 W141 W157 W152 W136 W163 W125 W106 W137 W138 W146 W131 W139 61 W108 W109 W147 W366 W367 W368 W369 C10 C11 C922 VR1 B VR2 W2 W3 W13 W14 E B E B E B E B E B E B E B E B E B E B S D G S D G S D G S D G S D G S D G E B B E B E B E B E B E B E B E B E B E B E B E B E B E ...

Page 6: ... W12 W34 W23 W28 W1 W30 W36 W55 W32 W57 W61 W29 W6 W60 W37 W13 W53 C111 C112 C209 C210 C215 C216 C217 C218 C220 W2 W31 W10 W54 W58 W64 W66 W11 W21 W67 W22 W63 W3 W62 W49 W41 W17 W20 W19 W59 W56 W48 W39 W7 W44 W15 W70 W5 W16 W47 W14 W40 W8 W18 W27 W4 VR4 VR1 VR2 VR3 VR5 3 6 5 2 4 1 3 6 4 2 5 1 3 6 4 2 5 1 3 6 4 2 5 1 3 6 4 2 5 4 6 1 3 6 10 6 4 3 1 5 6 4 3 1 1 1 3 4 6 6 4 3 1 17 16 2 IC1 IC4 IC6 IC5...

Page 7: ...50 10u50 C311 3 1 1 3 2 10u50 C303 10u50 C304 R304 TP121 R303 TP120 1K 1000P C302 R302 C301 1000P TP122 1K R301 TP85 15V R307 15P C305 10K TP84 10K R306 C306 R372 1K 10K TP78 R305 10K 1K 12K R308 10 9 15P TP87 8 1000P C300 R300 TP77 C337 12K TP76 R370 1K 15V 6 5 7 C313 15P R323 10K TP80 12 13 10K R324 47P C334 R310 C314 15P TP86 10K 10K C333 47P R311 0 01 TP82 14 C332 100P R326 10K 11 TP83 C316 22...

Page 8: ...17 0 01 C607 6 2K R635 12K R634 100 R603 10K R606 33K R605 10K R604 0 01 C610 30K R905 R247 0 1 680P 47P 150 R216 150 R218 R224 R208 47u25 C208 220P C264 100 C218 R264 1K 1 5K R212 1K 4700P C913 3P R220 4 3K R222 4 3K C210 10P R214 43K 150 100P C212 C214 R207 1K C263 4700P 100 220P C207 47u25 150 R223 C261 220u50 C211 100P TP43 C213 R238 R246 0 1 R234 100 R260 33 R258 1 8K B 680 R244 4 7 B R274 1K...

Page 9: ...1000P TP156 C15 R25 100K 22u25 OUTCTRL FBACK DTC IN1 IN1 4 3 2 1 5 REF IN2 IN2 13 14 15 16 12 AR AR AL AL P CON 1 2 3 4 5 GND BATT 10u 25V C1 6 7 L4 L1 L2 TP54 TP55 4 3 2 1 BR BR BL BL R271 10 1 2W C251 0 047 C250 0 047 1 2W R270 10 AL AR C451 0 047 C450 0 047 BR BL R471 10 R470 10 1 2W 1 2W TP49 TP50 TP51 TP52 TP45 TP46 TP47 TP48 TP53 TP139 TP141 TP144 1u50 C14 R16 27K 2 3 1 TP143 47K R622 47K R6...

Page 10: ... 3 2 5 6 7 6 8 9 VR5 50K C R141 8 2K C103 0 1 0 22 R129 TP256 C113 3 9 1K 2 10u50 C112 TP253 TP301 7 2 1 8 3 5 4 6 2 1 3 8 5 4 7 6 4 3K R226 47K R123 47K R124 3 6K R217 3 6K R218 C111 10u50 8 15V 15V AL AR BR 16 TP181 17 12 TP179 TP180 TP177 TP178 14 15 13 TP176 TP187 TP9 TP15 10 11 9 BL 4 TP186 TP175 6 7 5 TP6 TP5 TP7 TP4 2 3 1 ISO AL LOGO LED D GND A ISO GND 2 15V NC 15V AMP AL B ISO GND 2 AMP B...

Page 11: ... R212 2 4K TP257 1 5K R214 0 47 C203 6 5 7 4 C219 0 47 3K R221 6 8K R213 TP302 0 22 C204 47K R222 47K R237 10u50 C215 15V R247 47K R233 56K C222 0 01 TP263 C212 0 1 C214 0 22 R228 9 1K R234 56K 1 3 4 R248 47K 4 5 6 7 C218 10u50 7 6 8 9 C211 0 1 R229 2 5 C213 0 22 TP262 9 1K VR4 50K C 2 3 1 8 C217 10u50 S6 3 2 1 5 4 6 7 8 9 10 R241 8 2K C220 10u50 2 1 3 5 4 6 7 VR2 10K A 8 9 470 R243 470 R244 TP270...

Page 12: ... N82 2006 48 N89 3008 48 N09 6217 05 N83 3006 43 N89 3008 43 13 29 2 22 3 7 9 17 724 10 724 FC1 20 PA1 736 737 F1 732 704 735 739 738 731 Ex2 Jx2 Jx2 J J Hx3 Cx3 Cx3 Gx2 Gx2 Nx2 Cx2 Nx3 Cx4 Gx3 Lx6 Lx6 Lx10 Gx2 Jx3 Jx2 Jx2 Jx3 Jx3 D M G N N N N J J Jx2 J Ex2 Ex2 Ex2 27 Bundled to the transistor B A J 3 J 8 J 2 J 1 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 ...

Page 13: ...9 210 CD04AW1V2R2M ELECTRO 2 2UF 35WV C211 212 CK73GB1C104K CHIP C 0 10UF K C213 214 CK73FB1C224K CHIP C 0 22UF K C215 218 CD04BJ1H100M ELECTRO 10UF 50WV C219 CK73FB1C474K CHIP C 0 47UF K C220 CD04BJ1H100M ELECTRO 10UF 50WV C221 224 CK73GB1H103K CHIP C 0 010UF K C225 226 CC73GCH1H101J CHIP C 100PF J C227 228 CK73GB1H103K CHIP C 0 010UF K C229 CK73GB1H153K CHIP C 0 015UF K C230 CC73GCH1H151J CHIP C...

Page 14: ...H1H101J CHIP C 100PF J C133 134 CC73GCH1H470J CHIP C 47PF J C150 CD04BJ1H100M ELECTRO 10UF 50WV C156 CK73GB1H471K CHIP C 470PF K C171 CC73GCH1H271J CHIP C 270PF J C201 202 CD04BJ1H100M ELECTRO 10UF 50WV C203 204 CK73GB1H681K CHIP C 680PF K C205 206 CQ92FM1H472J MYLAR 4700PF J C207 208 CD04BJ1E470M ELECTRO 47UF 25WV C209 210 CC45FSL1H100D CERAMIC 10PF D C211 212 CC45FSL1H101J CERAMIC 100PF J C213 2...

Page 15: ...GB2A102J CHIP R 1 0K J 1 10W R171 RD14BB2C8R2J RD 8 2 J 1 6W R172 RK73GB2A102J CHIP R 1 0K J 1 10W R194 196 RK73GB2A222J CHIP R 2 2K J 1 10W R198 RD14BB2C301J RD 300 J 1 6W R201 RK73FB2B302J CHIP R 3 0K J 1 8W R203 204 RK73FB2B433J CHIP R 43K J 1 8W R205 208 RK73FB2B102J CHIP R 1 0K J 1 8W R209 210 RK73FB2B101J CHIP R 100 J 1 8W R211 212 RK73FB2B102J CHIP R 1 0K J 1 8W R213 214 RK73FB2B433J CHIP R...

Page 16: ...6 8K J 1 10W R632 RK73GB2A473J CHIP R 47K J 1 10W R633 634 RK73GB2A123J CHIP R 12K J 1 10W R635 RK73GB2A622J CHIP R 6 2K J 1 10W R636 RK73GB2A222J CHIP R 2 2K J 1 10W R637 RK73GB2A103J CHIP R 10K J 1 10W R638 641 RK73GB2A154J CHIP R 150K J 1 10W R642 RK73GB2A912J CHIP R 9 1K J 1 10W R643 RK73GB2A104J CHIP R 100K J 1 10W R644 RK73GB2A101J CHIP R 100 J 1 10W R648 RK73GB2A102J CHIP R 1 0K J 1 10W R64...

Page 17: ... TRANSISTOR Q209 210 2SA992 A F E TRANSISTOR Q211 2SC3419 Y F TRANSISTOR Q212 2SC1627A F TRANSISTOR Q213 2SC3419 Y F TRANSISTOR Q214 2SA817A F TRANSISTOR Q215 216 2SC1845 A F E TRANSISTOR Q217 218 2SA992 A F E TRANSISTOR Q219 2SC1627A F TRANSISTOR Q220 2SC4468NF TRANSISTOR Q221 2SA817A F TRANSISTOR Q222 2SA1695NF TRANSISTOR Q223 2SC4468NF TRANSISTOR Q225 2SA1695NF TRANSISTOR Q241 242 2SC4081 TRANS...

Page 18: ...l to Noise Ratio 100dB Low Pass Filter Frequency 18dB oct B channel 50 200Hz variable High Pass Filter Frequency 12dB oct 50 200Hz variable Bass Boost Circuit 90Hz B channel 6dB General Operating Voltage 14 4V 11 16V allowable Current Consumption 40A Installation Size W x H x D 380 x 61 x 286mm Weight 5 8kg KENWOOD follows a policy of continuous advancements in development For this reason specific...

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