Kenwood HM-437WM Скачать руководство пользователя страница 13

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Refer to the schematic diagram for the value of resistors and capacitors.

PC BOARD (Component side view)

MAIN

HEADPHONE

CN806

JK801

CN202

D202

D201

D203

D204

CN801

CN201

CN701

CN260

CN402

Q401

CN401

D401

CN301

CN302

CN804

D305

D304

ZD804

Q806

Q803

U802

Q804

ZD803

ZD802

CN805

CN803

CN802

ZD801

CN602

Q404

D302

Q281

VD202

VD201

VD203

VD205

U801

U301

D803

ZD306

VD204

SPEAKERS

D904

D902

D901

D903

D907

Q902

D905

CN901

D906

POWER

U601

Q801

Q802

Q805

Q807

Q313

Q310

Q308

Q303

Q316

Q312

Q307

Q311

Q309

D802

D303

U201

Q201

Q206

U260

Q403

Q280

Q251

D402

Q323

Q402

U250

Q205

Q204

Q207

Q263

Q262

Q252

Q701

Q202

Q702

D701

Q315

Q321

Q319

Q317

Q318

Q320

D301

Q306

Q301

Q305

Q302

Q304

Q314

Q203

Q208

Q261

Q260

R243

CF201

CF202

CF203

C249

C207

J209

J228

J249

R222

R279

R257

J224

J215

J227

J202

X260

X250

R255

R416

R332

C266

J242

J238

J219

L201

J222

J231

C820

J226

J230

R722

J251

L810

J234

J233

C357

J211

J232

J235

L205

L202

T203

J204

L203

R230

J207

VC202

BPF201

L204

L208

T201

VC201

R228

C238

T202

J253

C240

R224

R246

R232

R225

C269

J247

J245

J246

C257

J214

C290

C254

R401

R411

C343

C341

C327

C315

C316

C370

J221

R330

J220

C390

R329

J218

J256

TIE1

J217

C719

C725

C726

C707

C705

C801

C809

C803

C816

C810

J237

ICP

R816

R821

C830

C833

C857

C832

C745

R825

R826

C802

C345

C720

J236

J229

J254

C831

C350

C346

C349

C358

R364

C353

T360

MGND

L302

C310

J243

J244

C309

L301

2820

L809

C815

C811

J240

TIE3

J241

L801

C814

L803

L804

L802

TIE4

C819

C812

C813

C818

C804

J213

J255

C342

C328

C263

J203

C272

R273

J208

R281

J206

J225

J250

J223

J216

J205

C293

J210

C236

C828

C827

R823
R829

R824
R830

L806

L807

L808

C902

C901

C909

R902

R901

C903

C904

C907

C908

F901

F902

RY901

C905

C906

BLACK

RED2

RED1

AC1

AC2

L901

T901

C822

C835

C836

R804

R717

C332

R366

R341
R708

R355

C708
C715
C716
C718

C734
R714
C733
R710
R713
R711

R737

C714

R314

R827
R832
R828

R837

R819

R350

R348

R316

C330

R310

C318
C314

C308

R340

R318

C306
R308
R306

R320

C302

FB305

C338

C337

R338

R337

C882

FB306

C301

R319

R305
R307
R317
C305

C307

R309

C317

C313

R311

R302

C351

R346
C347
R343
R351

R345

R347

R344

C352

R360

C354

R365
C355
C356

R349

R812

R811

C821

C241

C200

C234

R293

C229
R229

C237

C226 R233

R226

C227 R203 C222

C223

FMOSC

AMOSC

R223

R239

R218

R215

R238

R265

R268

R267

R271
C271

R284

R283

C217

R285

R286

J212

R256

C270

C267

R270
R269

C285

R263

C403
R413

R412

R417

R405
R730
R403
R402
R407
C402
R408

C286

R262
C287

R261

R280

R259

C880

R410

R409

C321

R414

R415

C253

C255

C294

R242

C224

C221

C219

C206

C220

R207

R205

R220

R219

R208

C218

R217

C208

R734

R709

C717

R731

R732

C723

C721

C724

C722

C735

C736

R724

C729

BF801

FB802

C730

C740

R733

R206

R221

R234

R202

C204

C230

C232

C233

R236

R200

R210

C214

C817

C834

C856

C855

C201

C245

C881

C228

C225

R237

R209

C213

C231

C203

C239

C235

R235

J248

R266

C265

C264

C262

C261

C401

C404

R342

R328

C326

R324

C324

R326

C322

C344

R331

C323

R323

C325

R325

R327

C329

C320

R288

R277

R297

C256

R258

C252

R254

PH1

C251

C259

C258

C260

R216

C274

C268

R276

R275

R274

R272

C273

C284

C210

C212

R214

C216

R212

R248

C248

C709

C209

TP2

TP1

C246

R201

C242

R716

R715

C741

R723

C701

R801

C706

R735

C743

R738

C742

R736

J257

C710

C713

R313

C711

C727

R719

R720

C728

C712

R712

R803

R366

R367

R353

C304

C333

C303

R303

R301

R333

FB301

C311

R339

FB303

R321

R357

FB304

R322

C369

C368

C319

C366

R315

R368

R352

C334

R334

R354

C312

FB302

R304

C348

R805

C805

R807

C825

R813

C823

R809

R810

C824

C826

R814

R815

R818

R817

R822

C806

R806

R802

R808

C211

R213

C215

R211

R247

C247

R335

C331

C360

R718

R231

R244

C202

TP4

TP5

TP3

R227

R278

R204

C205

AMVT

FMVT

E B

Содержание HM-437WM

Страница 1: ...ations No 21 CFR 1040 10 Chapter 1 subchapter J DANGER Laser radiation when open and interlock defeated AVOID DIRECT EXPOSURE TO BEAM Caution No connection of ground line if disassemble the unit Please connect the ground line on rear panel PCBs Chassis and some others CD cover ass y F07 Phone jack E63 1365 08 Power knob K29 8499 08 Display Rec knob K29 8501 08 Search knob K29 8503 08 Cass lid ass ...

Страница 2: ...n not be operated or shows an erroneous dis play if the power cord is unplugged while the power is ON or due to some other external factor If this happens execute the following procedure to reset the microcomputer and re turn the unit to its normal operating condition When the power is on and TUNER input is selected press and hold down the button for more than 2 seconds Please note that resetting ...

Страница 3: ...47WM 3 EXTERNAL VIEW R L SPEAKERS IMPEDANCE 4Ω AC FM ANT AM ANT Rubber foot J02 1563 08 x4 Rear cabinet A80 4535 08 AM Antenna E40 8089 08 Speaker terminal E70 0196 08 AC power cord E30 Refer to parts list on page 26 ...

Страница 4: ...TC9257F U802 7812 12V LCD KEYMAP REMOTE SENSE MUTE CUT Q801 Q802 U601 SC7313S AUDIO SIGNAL SOURCE SELECTOR EQ MODE SEIECTOR VOLUME CONTROL RDS U250 SC6579A PLL CONTROL FUNCTION CONTROL U260 TC9257F G TAPE PRE AMP U301 AN7312E ELECTRONICE SWITCH TRANSISTORS LOGIC CASS DECK W991S 107G RADIO SECTION U201 SA2104S IC601 CD DSP TC94A14FA IC602 CD RF TA2157FN CD MACHINE TCP11TK2PX IC604 MP3 WMA DECODE TC...

Страница 5: ...unit being tested to ON or PLAY 5 Connect external jack terminal contact VTVM across a 1k resistor in the test circuit Set the meter to a high 150V AC scale to avoid meter damage and then touch the points with the test probe If the meter reading indicates less than 3 volts on all test points set the meter to a low 3V AC scale and repeat the test 6 Any reading greater than 0 2 volt indicates a pote...

Страница 6: ... with alcohol Mechanical Torque Use a cassette type torque gauge and check the tape mechanism Take up torque 35 to 70 g cm Rewind torque 50 g cm min Fast forward torque 50 g cm min Pinch Wheel Pressure No adjustment to the pinch roller spring is necessary It should be sufficient to give at least 40 g cm pull force Tape Head Servicing Each time the unit is serviced the face of all heads should be t...

Страница 7: ... Figure 1 VTVM VTVM DUMMY LOAD JK801 SCOPE CH1 CH2 Figure 1 Azimuth Adjustment 2 Insert a 10 kHz test tape Teac MTT 1141V or Equivalent into the tape mechanism and play it back 3 While playing back the test tape slowly turn the azimuth adjusting screw until the amplitude of both channel output waveforms is maximum and in phase See Figure 2 4 Secure the azimuth screw in place with glue or paint aft...

Страница 8: ...or Equivalent into the tape mechanism 4 Insert an insulated alignment tool and adjust the tape speed potentiometer MOTOR until the frequency counter indicates 2940 Hz to 3090 Hz Bias Oscillator Frequency and Level Adjustment 1 Set the function switch to TAPE and the record and play tape mechanism to RECORD 2 Connect a VTVM and frequency counter to test point R P HEAD 3 Adjust bias oscillator coil ...

Страница 9: ...age meter to test point Vt and ground T202 Adjust until Vt equal to 1 5 0 05V 3 1602 kHz 1 kHz 30 mod High end Same as step 2 Confirm Vt 6 5 8 5V 4 612 kHz 1 kHz 30 mod 612 kHz Same as step 1 T203 Maximum output 5 1404 kHz 1 kHz 30 mod 1404 kHz Same as step 1 VC201 Maximum output 6 Repeat steps 4 and 5 to minimize tracking error 7 999 kHz 1 kHz 30 mod 999 kHz Same as step 1 Offset is less than 6 d...

Страница 10: ... and ground L203 Adjust until Vt equal to 2 5 0 05V 2 108 MHz High end Same as step 1 Confirm Vt 7 9V 3 90 1 MHz 90 1 MHz Connect oscilloscope or VT VM to speaker jack L204 Adjust until Maximum output 4 106 1 MHz 106 1 MHz Same as step 3 VC202 Adjust until maximum output 5 Repeat steps 3 and 4 to minimize tracking error FM GENERATOR DUMMY ANTENNA TP1 TEST UNIT OSCILLOSCOPE DUMMY LOAD VTVM R OUT L ...

Страница 11: ...on of unit Rotate or reposition the unit Defect in T203 Check resistance voltage and current Replace as needed Defect AM antenna loop or oscilloscope coil Replace if necessary Intermediate Frequency tuning faulty Readjust see Alignment and Adjustment RF tracking faulty Readjust see Alignment and Adjustment Defective U201 SA2104S Check voltages Replace if necessary Poor contact in antenna circuit C...

Страница 12: ... J609 L616 C658 C620 R626 R627 R625 C613 C613A R622 C623 C6109 1 14 1 6 1 1 1 8 5 1 4 8 5 1 4 64 49 48 16 17 32 33 64 49 48 33 32 17 16 15 28 12 1 15 1 16 2 13 24 7 14 8 C624 C625 R629 J657 C667 L611 J601 R615 J658 J659 C621 C620A C622 R620 R610 B E J613 J660 R672 C6115 C6114 J676 C661 J614 J615 J655 J610 J644 C6106 C660 C659 C606 C668 C604 C618 C6107 C682 R603 C612 L602 1 3 3 1 L601 L601A L603 J6...

Страница 13: ...RED2 1 4 RED1 AC1 AC2 L901 T901 P2 P1 C E C E C E C822 C835 C836 R804 R717 C332 R366 R341 R708 R355 C708 C715 C716 C718 C734 R714 C733 R710 R713 R711 R737 C714 R314 R827 R832 R828 R837 R819 R350 R348 R316 C330 R310 C318 C314 C308 R340 R318 C306 R308 R306 R320 C302 FB305 C338 C337 R338 R337 C882 FB306 C301 R319 R305 R307 R317 C305 C307 R309 C317 C313 R311 R302 C351 R346 C347 R343 R351 R345 R347 R34...

Страница 14: ...2 R163 R168 R169 R180 R167 R153 R154 R157 R156 R155 R146 R165 R115 C114 PH1 R117 R112 R109 J145 J144 J143 R147 J126 J127 R149 J156 R124 SI2 WAIT SCK2 SO2 GND RST J139 C106 C110 C105 C151 R145 R144 R143 R174 5 R111 R164 R188 R182 PH2 R181 J103 J102 C118 C117 R138 R184 R137 R105 R136 J181 R139 R141 R140 C119 J105 C111 R166 C172 J146 R170 R148 J130 R123 R100 R104 C102 R101 R160 R150 J109 J185 R102 R1...

Страница 15: ... W991S 237GWALLEYWOOD MOTOR ERASEHEADR PHEAD ACCORDVDE2M W SOLDERLP 21 POWERTRANSFORMER SECONDARY RED BLACK PRIMARY BLUE RED2 RED1 BLACK1 CN901 GND 14 5V 5 6V PSW AC2 P2 TOACCORD TOXFORMER P1 CN602 CN606 CN603 CN604 CN260 CN402 CN401 CN602 CN701 CN301 CN302 CN804 CN805 CN803 CN802 CN801 CN202 JK8 01 CN806 HEADPHONEPCB CN101 CN102 CN106 CN104 CN103 CN107 LCD1 CN1 05 CN1 09 CN601 AC1 ...

Страница 16: ... U301 AN7312E PIN 1 2 3 V 1 7 V 2 3 V 18 V 0 V 2 3 V 0 V PIN 2 2 3 V 1 6 V 2 0 V 9 V 0 V 2 3 V 0 V PIN 3 4 9 V 0 V 2 3 V 19 5 V 0 V 2 4 V 0 V PIN 4 4 9 V 0 V 2 3 V 0 6 V 0 V 0 V 3 7 V PIN 5 0 5 V 4 1 V 4 7 V 0 2 V 0 V 2 4 V 1 3 V PIN 6 0 V 2 0 V 0 V 18 V 0 V 2 4 V 1 3 V PIN 7 2 7 V 4 1 V 2 3 V 16 V 0 V 2 4 V 0 V PIN 8 0 V 2 0 V 2 3 V 0 3 V 4 9 V 4 8 V 0 V PIN 9 0 V 0 V 0 6 V 1 3 V PIN 10 0 V 0 V 1...

Страница 17: ...V PIN 31 0 1V PIN 63 0 V PIN 32 1 6 V PIN 64 3 2 V PIN 32 0 V PIN 64 0 8V TRANSISTOR Ref No Transistor PIN E PIN B PIN C Ref No Transistor PIN E PIN B PIN C Q101 9014 0 V 0 V 4 5 V Q312 9013 0 V 0 V 0 V Q180 9014 0 V 0 6 V 0 V Q313 8050 0 V 0 V 0 V Q181 9014 0 V 0 6 V 0 V Q314 8050 0 V 0 V 0 V Q182 8550 5 6 V 4 8 V 5 5 V Q315 9014 0 V 0 V 11 1 V Q201 9018 1 1 V 1 8 V 3 7 V Q316 8050 0 V 0 V 0 V Q2...

Страница 18: ...0P 220P C628A C697 220P C696 220P C694 220P C695 220P 60 59 58 57 C693 220P C691 C692 61 62 30 31 38 37 38 37 0 047 C649 C648 0 047 33 470P C651 C650 34 12K R653 36 36 470P R654 10 40 41 R662 470 X601 16 9344MHz R655 1M C655 15P 15P C654 C653 0 1 0 1 C652 F F 33 34 T T FM FM 40 41 DM DM 22 R603 47u16 C604 0 1 C606 DREQ SDA SCL 1 2 3 36 7 6 5 6K R638 5 6K R639 5 6K R640 R697 R695 33K 33K 7 6 R681 1...

Страница 19: ...45 0 022 C347 10K R347 0 1 C348 100K R349 4 7K R351 100u16 C350 10K R350 C349 100u16 C351 1000P 330P C314 220u10 C316 FB304 FB302 C312 100P 10u16 C342 R328 4 7K R326 0 033 C322 4 7u50 C328 100P C320 18K 0 039 C326 4 7K R324 47K R308 1K R320 1K R319 33 R322 47K R307 FB303 C311 100P FB301 C313 330P 220u10 C315 4 7u50 C327 4 7K R323 0 039 C325 33 R321 C319 100P C321 0 033 4 7K R325 R327 18K 12K R329 ...

Страница 20: ... R186 10K R182 1K R188 R185 C118 0 01 C117 0 01 R134 10K 0 01 C116 R133 10K R132 10K R131 10K R130 10K R129 10K R128 10K 29 30 31 32 33 34 35 36 39 B 0 01 C172 220u16 C109 COM0 R174 2 2K 13 12 11 R106 10K 40 R141 10K DREQ SDA 3 2 SCL 1 11 12 13 C183 0 022 1 2 2 1 470 R161 680 R162 1K R163 1 2K R164 1K R165 1 5K R166 1 8K R167 2 2K R168 2 7K R169 2 2K R156 1 8K R155 1 5K R154 1K R153 1 2K R157 1K R...

Страница 21: ... 3006 48 N89 2608 48 N89 3010 48 N89 2606 48 N89 3012 48 N89 3008 48 T901 T902 CN202 AM ANT BM BS 747 759 726 709 719 622 664 663 755 757 756 754 712 723 710 776 643 627 644 646x2 645x2 672x2 672x2 678 678 629 642 615 616 718 614 LCD101 617 660 665 724 666 603 605 604 768x2 768x2 661 607 608 642 667 700 651 651 652 658 650 L901 649 680 641 634 631 635 637 638 636 632 630 640 675 673 674 D E E E D ...

Страница 22: ...90300043703 2 EHES 603 2A A53 2482 08 CASS LID ASSY 800 900437 00 ES 603 2A A53 2483 08 CASS LID ASSY 800 900437 04 EHXH 604 2A G01 4373 08 CASS LID SPRIN 60500033702 5 605 2A A53 2452 08 CASSETTE LID 68900033713 4 607 2A A60 2470 08 FRONT CABINET 800 900437 01 ES 607 2A A60 2471 08 FRONT CABINET 800 900437 05 EHXH 608 2A K29 8499 08 POWER KNOB 68400033707 7 614 2A B11 1611 08 LCD FILTER 621000337...

Страница 23: ... Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks C237 CC73GCH1H330J CHIP C 33PF J C238 C91 1685 08 FILM C 390PF J C239 CK73GB1H473K CHIP C 0 047UF K C240 CD04BJ1H010M ELECTRO 1 0UF 50WV C241 CC73GCH1H150J CHIP C 15PF J C242 CK73GB1H473K CHIP C 0 047UF K C247 248 CK73GB1H102K CHIP C 1000PF K ...

Страница 24: ...K USA P Canada R Mexico C China I Malaysia Y PX Far East Hawaii T England E Europe G Germany V China Shanghai Y AAFES Europe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks C652 653 CK73GB1H104K CHIP C 0 10UF K C654 655 CC73GCH1H150J CHIP C 15PF J C659 RK73GB1J682J CHIP R 6 8K J 1 16W C663 CK73GB1H...

Страница 25: ...pe X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks L901 L33 1703 08 CHOCK COIL 15500040001 5 T201 L30 0992 08 AM IFT 14000520001 7 T202 E35 3714 08 IFT 10MM RED 14000101401 5 T203 L33 1062 08 AM ANT COIL 15208643601 4 T360 L32 1060 08 REC BIAS OSC 15200005303 9 T901 L07 3304 08 POWER TRANSFOR 17700...

Страница 26: ...urope X Australia Q Russia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks R254 RK73GB1J220J CHIP R 22 J 1 16W R256 RK73GB1J104J CHIP R 100K J 1 16W R258 RK73GB1J220J CHIP R 22 J 1 16W R259 RK73GB1J103J CHIP R 10K J 1 16W R261 263 RK73GB1J102J CHIP R 1 0K J 1 16W R265 266 RK73GB1J102J CHIP R 1 0K J 1 16W R267 RK73GB1J5...

Страница 27: ...ssia H Korea M Other Areas indicates safety critical components Ref No Add ress New Parts Parts No Description Desti nation Re marks R664 RK73GB1J472J CHIP R 4 7K J 1 16W R675 RK73GB1J222J CHIP R 2 2K J 1 16W R679 RK73GB1J103J CHIP R 10K J 1 16W R680 RK73GB1J220J CHIP R 22 J 1 16W R681 RK73GB1J103J CHIP R 10K J 1 16W R683 RK73GB1J332J CHIP R 3 3K J 1 16W R684 RK73GB1J222J CHIP R 2 2K J 1 16W R685 ...

Страница 28: ...503 4 ZD601 MTZJ5 6 B ZENER DIODE 30305005607 2 ZD603 MTZJ2 2B ZENER DIODE 30305002202 7 ZD801 MTZJ9 1 B ZENER DIODE 30305009103 4 ZD802 MTZJ6 2 B ZENER DIODE 30305006207 4 ZD803 MTZJ5 6 B ZENER DIODE 30305005607 2 ZD804 MTZJ8 2 B ZENER DIODE 30305008202 4 BM 2B D16 0809 08 MAIN BELT BS 2B D16 0810 08 SUB BELT PF 2B D14 0832 08 PINCH ROLLER RPH 2A R P HEAD HASVH5515A New Parts Parts without Parts ...

Страница 29: ...deck section Track 4 track 2 channel stereo General Power consumption 25 W Dimensions W 145mm 5 11 16 H 210 mm 8 1 4 D 227 mm 8 15 16 Weight net 2 8 kg 6 2 lb Speakers Enclosure Bass reflex type Speaker configuration Full range 100 mm cone type Impedance 4 Ω Maximum input level 10W Dimensions W 130 mm 5 1 8 H 208 mm 8 3 16 D 161 mm 6 5 16 Weight net 1 2 kg 2 7 lb 1 piece Notes KENWOOD follows a po...

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