Sharp WQ-740W Скачать руководство пользователя страница 11

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WQ-740W/WQ-780W

– 11 –

Figure 11 WIRING SIDE OF P.W.BOARD (2/5)

R220

C238

C241

C239

C237

C236

TC204

TC205

C242

C240

R223

L205

L204

C235

L202

C207

C201

4
5

CF201

C219

C224

R219

R208

C218

R401

R206

R451

R453

R454

R452

C262

R561

C B E

E B C

R506

D509

D525

R423

R421

Q509

R441

R442

R420

C361

R361

R319

R315

R317

R303

D515

C528

D520

R322

R326

R368

R320

R304

R306

C302

C304

CNS107

CNS108

CNH108

L304

C321

C515

C303

C301

R305

R557

R553

R555

R344

C347

R350

R558

R316

R318

R362
C362

C527

R321

R323

R403

R405

R422

CNS110

R535

C353

R333

Q506

B C E

F1
T1.25A L 250V

R330

R545

D519

R560

R247

D203

R203

R202

C208

R205

R204

C210

C211

C206

C203

C204

C202

IC201

T201

CF202

C401

R513

R512

Q505

Q504

R508

R241

Q503

Q203

C260

C259

C261

VR501

R510

CNS105

D507

L501

C512

C511

C535

C537

R568

IC502

R563

R567

R564

CNS102

CNS101

R419

C407

C417

C413

C416

R415

R406

R411

R407

R409

IC401

R404

R410

R408

R412

C412

C404

C414

R416

R418

C410

R413

SW402

VR301

C521

R533

R355

R354

R532

R250

C520

R554

R555

R531

Q302

R341

L302

R314

C312

C327

C325

R327

R367

R249

R440

C440

D521

D524

D523

C338

C314

R325

C318

C316

C320

C310

C533

C341

R534

C344

R552

C343

Q303

R343

SW302

E
B
C

L303

C517

R346

C345

C346

CNS109

R349

R556

Q508

C342

R312

R310

R308

C308

C306

C532

R364

C326

C313

C317

IC301

C315

L361

R559

D305

D402

C311

R313

R324

C323

R450

C415

C408

C411

C409

SW401

C469

C422

C432

C431

C429

C437

C433

C355

Q501

E
B
C

C508

C505

C507

C530

C319

C309

C305

C307

C516

R311

R307

R309

R336

C363

C365

C364

C366

D505

CN4

R345

R548

D518

D522

R501

R502

C352

C351

C354

Q301

T301

C356

C357

SW301

R332

C522

C430

D401

C427

C424

Q402

Q401

C421

C425

C428

C426

C423

C434

IC402

R562

C459

C450

CNS106

C263

C258

C529

D201

D526

C229

T203

C228

C227

C225

CF203

IC202

C221

R211

R209

TC210

TC209

T202

C244

C245

C213

C231

C230

C214

Q202

R245

R201

R246 R240

R243

L201

R222

L203

R221

SW403

VR202

C233

C243

D202

SW201

SW404

R218

L208

C212

C222

C220

C534

D517

D516

R210

VR201

C223

C256

C232

C226

R214

R216

R213

R215

R217

R212

R207

R566

R328

E
B
C

2 3

6 5

E
B
C

C
B
E

E B C

R351

Q507

R537

E
B
C

Q510

E B C

1 2 3 4 5 6 7 8 9 1 0

1 2 3 4

1 2 3

MAIN PWB -A

CNH110

FROM

POWER PWB

FM/SW ROD ANTENNA(277)

L206

L207

SW1

MW/SW1

BAR ANTENNA

(281)

CNH109

MIC101

BUILT-IN

MICROPHONE

2 1

HEADPHONE

SW302

RECORD/

PLAYBACK

PALY REC.

1 2 3

3 2 1

D507

TC207

TC201

VC203

VC201

VC204

VC202

TC203

TC202

1
2

C536

TAPE SPEED

L-CH

R-CH

J2
CD/LINE

SW301

BEAT CANCEL

1 2 3 4

1 2

MIC1

MIC2

MICROPHONES

VR301

MIC VOLUME

MIN

MAX

SW402

SURROUND

ON/OFF

OFF

SW401

SURROUND

MODE SELECT

HALL

LIVE

SW404

FUNCTION

SELECTOR

CD/LINE RADIO TAPE

STAND-BY

SW201

BAND SELECTOR

SW2 SW1 MW FM

SW403

DUBBING SPEED/

BUILT-IN MICROPHONE/FM MODE

HIGH

NORMAL

MIC

FM STEREO FM MONO

FINE TUNING

VCO

P13 6-C

Содержание WQ-740W

Страница 1: ... 740W WQ 780W SERVICE MANUAL SHARP CORPORATION No S7862WQ780W In the interests of user safety the set should be restored to its original condition and only parts identical to those specified should be used This document has been published to be used for after sales service only The contents are subject to change without notice WQ 740W 9FF24801830210 AC POWER SUPPLY CORD AND PLUG 9FF24801600292 9FF...

Страница 2: ... 233 Dial Drum 231 B A C Dial Pointer 234 0 Point SPECIFICATIONS Specifications for this model are subject to change without prior notice General Power source AC 110 127 V 220 240 V 50 60 Hz DC 15 V D size UM SUM 1 R20 or HP 2 battery 10 Power consumption 20 W Output power PMPO 120 W 60 W 60 W AC operation MPO Max 30 W 15 W 15 W AC operation RMS 15 W 7 5 W 7 5 W DC operation 10 T H D Speakers 12 c...

Страница 3: ... 34 CD Line Input Sockets 35 Headphone Socket 36 Beat Cancel Switch 37 Battery Compartment 38 AC Power Input Socket 39 AC Voltage Selector 16 15 24 31 30 29 28 25 26 27 17 18 19 20 21 22 23 13 14 32 1 7 8 9 10 11 12 6 5 4 3 2 33 34 35 36 37 38 11 TAPE 1 Cassette Compartment 12 TAPE 1 Record Button 13 TAPE 1 Play Button 4 TAPE 1 Rewind Button 15 TAPE 1 Fast Forward Button 16 TAPE 1 Stop Eject Butto...

Страница 4: ...net 1 Battery Compartment Lid 4 1 Rear Cabinet A1 x1 2 Screw A2 x1 3 Screw A3 x8 4 Socket A4 x1 2 Tape mechanism 1 Screw B1 x2 4 2 2 Socket B2 x3 WQ 740W 2 Socket B2 x4 WQ 780W 3 Open the cassette holder 4 Screw B3 x6 3 Main PWB 1 Knob C1 x1 4 2 2 Screw C2 x4 3 Socket C3 x5 4 Graphic Equalizer 1 Screw D1 x5 4 3 PWB 5 Volume PWB 1 Knob E1 x1 4 3 2 Screw E2 x2 3 Screw E3 x1 6 Power PWB 1 Screw F1 x1...

Страница 5: ...ng the test circuit shown in Fig 5 connect the Pin 13 Pin 21 and ground of the IC202 with the test circuit and measure the value FM IF RF Specified Value Adjusting Point Test Stage IF T201 Input FM Antenna Detection T202 Output Pin 9 of IC202 Band fL L202 Input Antenna Coverage fH TC202 Output Headphone Socket Tracking fL 88 0 MHz L201 Load resistance fH 108 MHz TC201 32 ohms Instrument Connection...

Страница 6: ...vement without prior notice Parts marked with are important for maintaining the safety of the set Be sure to replace these parts with specified ones for maintaining the safety and performance of the set REF NO DESCRIPTION SW201 BAND SELECTOR FM SW301 BEAT CANCEL C SW302 RECORD PLAYBACK PLAYBACK SW401 SURROUND MODE LIVE SELECT SW402 SURROUND ON OFF OFF SW403 DUBBING SPEED HIGH FM STEREO BUILT IN MI...

Страница 7: ... 1V 1V 13 14 15 16 17 18 19 20 21 22 23 24 IC402 LA4558 Power Amp 14 5V 14 5V 14 5V 0 01V 0 01V 0 01V 1 1V 1 1V 1 1V 7 6V 7 6V 7 6V 0 6V 0 6V 0 6V 13 6V 13 6V 13 6V 0V 0V 0V 15V 15V 15V 13 7V 13 7V 13 7V 0 6V 0 6V 0 6V 1 2 3 4 5 6 7 8 9 10 7 6V 7 6V 7 6V 1 1V 1 1V 1 1V 0 01V 0 01V 0 01V 0V 0V 0V 11 12 13 14 IC401 BA4558 Ope Amp PIN RADIO TAPE PLAY TAPE REC PIN RADIO TAPE PLAY TAPE REC PIN RADIO TA...

Страница 8: ...TAPE SPEED CONTROL Q504 9014 C TAPE TAPE SPEED CONTROL R508 10K R510 10K R512 10K R240 150K C260 1 50 SW404 C R241 150K L203 L204 L205 SW2 OSC C235 10P CH TC203 C236 5P CH TC204 C237 5P CH TC205 SW201 G C238 360P C239 0 0022 C240 0 0047 R223 47 R222 47 C242 0 022 R220 220 VR202 5K B FINE TUNING C241 3P CH VC204 AC BIAS CIRCUIT C210 10 16 R203 22K C311 0 0082 ML C313 4 7 50 R249 18K R250 18K C314 4...

Страница 9: ...0 01 ML C469 220 16 D401 1N4001 C437 470 25 C426 100 16 C425 100 16 C424 0 0015 ML C423 0 0015 ML C422 1 50 Q402 9014 C POWER MUTE Q401 9014 C POWER MUTE C421 1 50 R421 10K R442 10K R441 10K R420 10K F1 C429 100 16 C433 1000 10 C434 1000 10 C432 0 18 ML C431 0 18 ML J1 HEADPHONES C440 10 16 R440 27K Q501 8050 C VOLTAGE REGULATOR R501 4 7 D518 1N4148 FUSE RESISTOR FUSIBLE D305 1N4148 D525 1N4148 Q5...

Страница 10: ...0 R121 R126 R125 R119 R113 R 1 0 8 R 1 0 9 C 1 1 5 C117 C123 C106 R183 D136 R182 R181 R168 C149 R640 D126 D130 R637 R626 D111 D112 CNH102 R472 C472 C474 VR401 C471 C473 E B C C B E C B E E B C 1 2 3 4 5 6 7 8 9 VOLUME PWB B1 1 6 A B A B A B A B A B E C B 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 GRAPHIC EQUALIZER PWB B2 TAPE 1 TAPE 2 M501 TAPE MOTOR A B SP2 FULL RANGE SP4 SURROUND L CH SP1 FULL RANGE SP3 SUR...

Страница 11: ...23 R450 C415 C408 C411 C409 SW401 C469 C422 C432 C431 C429 C437 C433 C355 Q501 E B C C508 C505 C507 C530 C319 C309 C305 C307 C516 R311 R307 R309 R336 C363 C365 C364 C366 D505 CN4 R345 R548 D518 D522 R501 R502 C352 C351 C354 Q301 T301 C356 C357 SW301 R332 C522 C430 D401 C427 C424 Q402 Q401 C421 C425 C428 C426 C423 C434 IC402 R562 C459 C450 CNS106 C263 C258 C529 D201 D526 C229 T203 C228 C227 C225 CF...

Страница 12: ...09 0 0068 ML R117 4 7K VR103 B 100K B R119 4 7K R121 2 2K C111 0 0022 ML VR104 B 100K B R123 3 3K R125 3 3K R127 1 5K R129 820 C113 100P VR105 B 100K B R131 820 R133 1K B Q101 9014 C R137 680K C125 1 50 C177 500P R107 12K C115 0 022 ML C123 1 50 C121 0 0068 ML C119 0 012 ML C117 0 022 ML R138 3 9K C176 500P R136 680K Q102 9014 C C126 1 50 R108 12K B R102 1K R628 330 D128 LIVE R642 330 D132 LIVE R6...

Страница 13: ...RD RD RD BK BK BK WH WH CNH110 CNS110 TO MAIN PWB SW505 VOLTAGE SELECTOR AC220 240V AC110 127V T501 POWER TRANSFORMER 280 281 279 BATTERYS DC15V D SIZE UM SUM 1 R20 or HP2 battery X10 POWER PWB C BL SO501 AC POWER INLET SOCKET AC110V 127V 50 60Hz AC220V 240V 50 60Hz BR COLOR TABLE RD R OR YL GR BL VL GY WH W BK PK BROWN RED ORANGE YELLOW GREEN BLUE VIOLET GRAY WHITE BLACK PINK ...

Страница 14: ...014 C TAPE SPEED CONTROL R508 10K R510 10K R512 10K R240 150K C260 1 50 SW404 C R241 150K L203 L204 L205 SW2 OSC C235 10P CH TC203 C236 5P CH TC204 C237 5P CH TC205 SW201 G C238 360P C239 0 0022 C240 0 0047 R223 47 R222 47 C242 0 022 R220 220 VR202 5K B FINE TUNING C241 3P CH VC204 AC BIAS CIRCUIT C210 10 16 R203 22K C311 0 0082 ML C313 4 7 50 R249 18K R250 18K C314 4 7 50 R314 22K C312 0 0082 ML ...

Страница 15: ...0 01 ML C469 220 16 D401 1N4001 C437 470 25 C426 100 16 C425 100 16 C424 0 0015 ML C423 0 0015 ML C422 1 50 Q402 9014 C POWER MUTE Q401 9014 C POWER MUTE C421 1 50 R421 10K R442 10K R441 10K R420 10K F1 C429 100 16 C433 1000 10 C434 1000 10 C432 0 18 ML C431 0 18 ML J1 HEADPHONES C440 10 16 R440 27K Q501 8050 C VOLTAGE REGULATOR R501 4 7 D518 1N4148 FUSE RESISTOR FUSIBLE D305 1N4148 D525 1N4148 Q5...

Страница 16: ...5 R119 R113 R 1 0 8 R 1 0 9 C 1 1 5 C117 C123 C106 R183 D136 R182 R181 R168 C149 R640 D126 D130 R637 R626 D111 D112 CNH102 R472 C472 C474 VR401 C471 C473 E B C C B E C B E E B C 1 2 3 4 5 6 7 8 9 VOLUME PWB B1 1 6 A B A B A B A B A B E C B 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 GRAPHIC EQUALIZER PWB B2 TAPE 1 TAPE 2 M501 TAPE MOTOR A B SP2 FULL RANGE SP4 SURROUND L CH SP1 FULL RANGE SP3 SURROUND R CH CNH1...

Страница 17: ...450 C415 C408 C411 C409 SW401 C469 C422 C432 C431 C429 C437 C433 C355 Q501 E B C C508 C505 C507 C530 C319 C309 C305 C307 C516 R311 R307 R309 R336 C363 C365 C364 C366 D505 CN4 R345 CN2 R548 D518 D522 R501 R502 C352 C351 C354 Q301 T301 C356 C357 SW301 R332 C522 C430 D401 C427 C424 Q402 Q401 C421 C425 C428 C426 C423 C434 IC402 R562 C459 C450 CNS106 C263 C258 C529 D201 D526 C229 T203 C228 C227 C225 CF...

Страница 18: ...0K B R115 5 6K C109 0 0068 ML R117 4 7K VR103 B 100K B R119 4 7K R121 2 2K C111 0 0022 ML VR104 B 100K R123 3 3K R125 3 3K R127 1 5K R129 820 C113 100P VR105 B 100K B R131 820 R133 1K ML B R137 680K C125 1 50 C177 500P R107 12K C115 0 022 ML C123 1 50 C117 0 022 ML C119 0 012 ML C121 0 0068 ML R138 3 9K C176 500P R136 680K Q102 9014 C C126 1 50 R108 12K C116 0 022 ML B R102 1K R628 330 D128 LIVE R...

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