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22

GM-X944

R

874

RN1/10SE1002D

R

875

RN1/10SE1002D

R

876

RN1/10SE1002D

R

877

RN1/10SE1002D

R

878

RN1/10SE1002D

R

879

RS1/10S223J

R

880

RS1/10S223J

R

883

RS1/10S821J

R

884

RS1/10S821J

R

885

RS1/10S472J

R

886

RS1/10S222J

R

887

RS1/10S472J

R

889

RS1/10S472J

R

901

(GM-X944/X1R/EW, ES)

RD1/4PU105J

R

902

RS1/2PMF220J

R

907

RS1/10S473J

R

909

RS1/2PMF220J

R

910

RS1/10S153J

R

911

RS1/10S102J

R

912

RD1/4PU272J

R

913

RS1/10S472J

R

914

RS1/10S472J

R

915

RS1/10S472J

R

916

RD1/4PU332J

R

917

RD1/4PU332J

R

918

RS1/2PMF220J

R

919

RS1/2PMF220J

R

920

RD1/4PU472J

R

921

RD1/4PU472J

R

922

RD1/4PU472J

R

923

RD1/4PU472J

R

924

RS1/2PMF121J

R

925

RS1/2PMF121J

R

926

RS1/2PMF121J

R

927

RS1/2PMF121J

R

928

RS1/2PMF121J

R

929

RS1/2PMF121J

R

932

RD1/4PU104J

R

935

RS1/10S202J

R

936

RS1/10S223J

R

937

RS1/10S103J

R

938

RD1/4PU272J

R

939

RD1/4PU272J

R

947

RS1/2PMF100J

R

948

RS1/2PMF100J

R

949

RD1/4PU113J

R

950

RS1/10S101J

R

951

RD1/4PU752J

R

952

RS1/2PMF560J

R

953

RS1/2PMF560J

R

954

RD1/4PU221J

R

955

RS1/10S393J

R

956

RS1/10S472J

R

957

RS1/10S222J

CAPACITORS

C

201

CCSQCH820J50

C

202

CCSQCH820J50

C

203

CCSQCH820J50

C

204

CCSQCH820J50

C

205

CEJA470M16

C

206

CEJA470M16

C

207

CEJA470M16

C

208

CEJA470M16

C

209

CKSQYB102K50

C

301

CEJANP100M16

C

302

CEJANP100M16

C

303

CEJANP100M16

C

304

CEJANP100M16

C

305

CMA220J2H

C

306

CMA220J2H

C

307

CMA220J2H

C

308

CMA220J2H

C

309

CQMA152J50

C

310

CQMA152J50

C

311

CQMA152J50

C

312

CQMA152J50

C

313

CQMA103J50

C

314

CQMA103J50

C

315

CQMA103J50

C

316

CQMA103J50

C

317

CMA030D2H

C

318

CMA030D2H

C

319

CMA030D2H

C

320

CMA030D2H

C

321

CMA180J2H

C

322

CMA180J2H

C

323

CMA180J2H

C

324

CMA180J2H

C

325

100µF/16V

HCH0002

C

326

100µF/16V

HCH0002

C

327

100µF/16V

HCH0002

C

328

100µF/16V

HCH0002

C

329

CFTLA393J50

C

330

CFTLA393J50

C

331

CFTLA393J50

C

332

CFTLA393J50

C

333

CEAS100M50

C

334

CEAS100M50

C

335

CEAS100M50

C

336

CEAS100M50

C

337

CEAS470M50

C

338

CEAS470M50

C

339

CEAS470M50

C

340

CEAS470M50

C

345

CFTLA333J50

C

346

CFTLA333J50

C

347

CFTLA333J50

C

348

CFTLA333J50

C

349

CQMA102J50

C

350

CQMA102J50

C

351

CQMA102J50

C

352

CQMA102J50

C

357

CMA030D2H

C

358

CMA030D2H

C

359

CMA030D2H

C

360

CMA030D2H

C

361

CMA680J2H

C

362

CMA680J2H

C

363

CMA680J2H

C

364

CMA680J2H

C

365

CMA680J2H

C

366

CMA680J2H

C

367

CMA680J2H

C

368

CMA680J2H

C

457

CEJA101M16

C

458

CEJA101M16

C

651

220µF/10V

CCH1036

C

652

CFTLA103J50

C

653

CEAS100M16

C

654

CEAS100M16

=====Circuit Symbol and No.===Part Name

Part No.

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=====Circuit Symbol and No.===Part Name

Part No.

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Содержание GM-X944

Страница 1: ...TD 253 Alexandra Road 04 01 Singapore 159936 C PIONEER CORPORATION 2000 K ZZA MAR 2000 Printed in Japan ORDER NO CRT2483 BRIDGEABLE FOUR CHANNEL POWER AMPLIFIER GM X944 X1R UC EW ES Service Manual CONTENTS 1 SAFETY INFORMATION 2 2 EXPLODED VIEWS AND PARTS LIST 2 3 SCHEMATIC DIAGRAM 6 4 PCB CONNECTION DIAGRAM 12 5 ELECTRICAL PARTS LIST 18 6 ADJUSTMENT 24 7 GENERAL INFORMATION 25 7 1 DISASSEMBLY 25 ...

Страница 2: ...se covered by this manual Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty If you are not qualified to perform the repair of this product properly and safely you should not risk trying to do so and refer the repair to a qualified service technician WARNING This product contains lead in solder and certain electrical parts contain ...

Страница 3: ...ON PARTS LIST Part No Mark No Description GM X944 X1R UC GM X944 X1R EW GM X944 X1R ES 1 2 Screw BYC40P180FZK BYC40P180FZK BYC40P180FZK 3 Polyethylene Bag HEG0011 HEG0011 HEG0011 4 Polyethylene Bag HEG0021 HEG0021 HEG0021 5 Carton HHG0248 HHG0249 HHG0250 6 Contain Box HHL0248 HHL0249 HHL0250 7 Protector HHP0079 HHP0079 HHP0079 8 1 Owner s Manual HRD0138 HRD0139 HRD0140 8 2 Owner s Manual Not used ...

Страница 4: ...4 GM X944 2 2 EXTERIOR ...

Страница 5: ...older HNC0076 30 Bar HNR0124 31 Heat Sink HNR0148 32 Heat Sink HNR0149 33 Network Unit See Contrast table 2 34 Connector CN102 CKS3145 35 Connector CN104 CKS3145 36 Clip HNC0054 37 Screw PPZ30P100SAD 38 Light Pipe Unit HXA0322 39 Fan Motor HXM0001 40 Screw PPZ30P100FZK 41 Thermistor TH901 902 CCX1013 42 Thermistor TH904 CCX1027 43 FET 94 4981 Q361 362 363 364 365 366 367 368 44 FET STP50NE08 Q905 ...

Страница 6: ... SUPPLY HIGH XOVER 3k 9kHz LOW XOVER 40 120Hz HIGH XOVER 3k 9kHz LOW XOVER 40 120Hz NETWORK UNIT Consists of NETWORK PCB NETWORK PCB FAN MOTOR HXM0001 6 GM X944 A 1 2 3 4 B C D 1 2 3 4 A a A b A a A a A b A b A b A b A a A a Large size SCH diagram Guide page Detailed page 3 SCHEMATIC DIAGRAM 3 1 OVERALL CONNECTION DIAGRAM GUIDE PAGE Note When ordering service parts be sure to refer to EXPLODED VIE...

Страница 7: ...CN301 CN301 CN903 CN904 CN902 CN901 AMP GAIN 8 5 33dB AMP GAIN 8 5 33dB IT CB A CB B GM X944 X1R EW ES CN906 220 HZS12L A3 7 GM X944 5 6 7 8 A B C D 5 6 7 8 A b A ...

Страница 8: ...N851 CN851 CN101 CN102 CN102 2 CN101 2 CN103 CN104 CN104 2 CN103 2 ISOLATOR GAIN 1 ISOLATOR GAIN 1 RCA OUT GAIN 1 HP LP FILTER 12dB OCTAVE BP FILTER LOW X TO HIGH X HIGH XOVER 3k 9kHz LOW XOVER 40 120Hz NETWORK UNIT Consists of NETWORK PCB A NETWORK PCB B A a A a A b 1 B C B A ...

Страница 9: ...9 GM X944 5 6 7 8 A B C D 5 6 7 8 NETWORK PCB B CN852 HP LP FILTER 12dB OCTAVE POWER SUPPLY HIGH XOVER 3k 9kHz LOW XOVER 40 120Hz G CN906 FAN MOTOR HXM0001 A a A a A b 2 3 C C ...

Страница 10: ...10 GM X944 A 1 2 3 4 B C D 1 2 3 4 CN301 CN301 AMP GAIN 8 5 33dB AMP GAIN 8 5 33dB T B A B B A a A b A b 1 ...

Страница 11: ...11 GM X944 5 6 7 8 A B C D 5 6 7 8 CN903 CN904 CN902 CN901 GM X944 X1R EW ES CN906 220 HZS12L A3 A a A b A b 2 3 ...

Страница 12: ... DIAGRAMS 1 The parts mounted on this PCB include all necessary parts for several destination For further information for respective destinations be sure to check with the schematic diagram 2 Viewpoint of PCB diagrams Capacitor Connector P C Board Chip Part SIDE A SIDE B A 4CH 2CH C CN104 B CN102 ...

Страница 13: ...13 GM X944 5 6 7 8 A B C D 5 6 7 8 A BFC SIDE A FAN MOTOR ...

Страница 14: ...14 GM X944 A 1 2 3 4 B C D 1 2 3 4 A A AMP UNIT ...

Страница 15: ...15 GM X944 5 6 7 8 A B C D 5 6 7 8 A SIDE B ...

Страница 16: ...16 GM X944 A 1 2 3 4 B C D 1 2 3 4 4 2 NETWORK PCB A OFF LPF HPF BPF LOW HIGH SIDE A SIDE B B NETWORK PCB A B NETWORK PCB A B CN101 A ...

Страница 17: ...17 GM X944 1 2 3 4 A B C D 1 2 3 4 4 3 NETWORK PCB B OFF LPF HPF LOW HIGH SIDE A SIDE B C NETWORK PCB B C NETWORK PCB B C CN103 A ...

Страница 18: ...e part numbers shown below indicate chip components Chip Resistor RS1 _S___J RS1 __S___J Chip Capacitor except for CQS CKS CCS CSZS Network Unit Consists of Network PCB A Network PCB B Unit Number HWG0020 GM X944 X1R UC HWG0016 GM X944 X1R EW HWG0021 GM X944 X1R ES Unit Name Network Unit MISCELLANEOUS IC 101 IC NJM2068D IC 102 IC NJM2068D IC 103 IC NJM2068D IC 104 IC NJM2068D IC 105 IC NJM2068D IC...

Страница 19: ...ransistor 2SC1845 Q 343 Transistor 2SC1845 Q 344 Transistor 2SC1845 Q 345 Transistor 2SC2240 Q 346 Transistor 2SC2240 Q 347 Transistor 2SC2240 Q 348 Transistor 2SC2240 Q 349 Transistor 2SA970 Q 350 Transistor 2SA970 Q 351 Transistor 2SA970 Q 352 Transistor 2SA970 Q 353 FET 94 4980 Q 354 FET 94 4980 Q 355 FET 94 4980 Q 356 FET 94 4980 Q 357 FET 94 4980 Q 358 FET 94 4980 Q 359 FET 94 4980 Q 360 FET ...

Страница 20: ... RS1 10S222J R 201 RD1 4PU472J R 202 RD1 4PU472J R 203 RD1 4PU472J R 204 RD1 4PU472J R 211 RD1 4PU111J R 212 RD1 4PU111J R 213 RD1 4PU111J R 214 RD1 4PU111J R 215 RS1 10S202J R 216 RS1 10S202J R 217 RS1 10S202J R 218 RS1 10S202J R 219 RS1 10S163J R 220 RS1 10S163J R 221 RS1 10S163J R 222 RS1 10S163J R 301 RS1 10S301J R 302 RS1 10S301J R 303 RS1 10S301J R 304 RS1 10S301J R 305 RS1 10S183J R 306 RS1...

Страница 21: ...3 SPR30R1J R 434 SPR30R1J R 435 SPR30R1J R 436 SPR30R1J R 467 RS1 10S122J R 468 RS1 10S122J R 605 RD1 4PU561J R 606 RD1 4PU561J R 656 RD1 4PU473J R 657 RD1 4PU104J R 658 RD1 4PU472J R 659 RD1 4PU103J R 660 RD1 4PU102J R 661 RD1 4PU472J R 662 RD1 4PU222J R 663 RD1 4PU563J R 664 RD1 4PU222J R 665 RD1 4PU103J R 666 RD1 4PU103J R 667 RD1 4PU222J R 668 RD1 4PU472J R 671 RD1 4PU221J R 672 RD1 4PU152J R ...

Страница 22: ... 205 CEJA470M16 C 206 CEJA470M16 C 207 CEJA470M16 C 208 CEJA470M16 C 209 CKSQYB102K50 C 301 CEJANP100M16 C 302 CEJANP100M16 C 303 CEJANP100M16 C 304 CEJANP100M16 C 305 CMA220J2H C 306 CMA220J2H C 307 CMA220J2H C 308 CMA220J2H C 309 CQMA152J50 C 310 CQMA152J50 C 311 CQMA152J50 C 312 CQMA152J50 C 313 CQMA103J50 C 314 CQMA103J50 C 315 CQMA103J50 C 316 CQMA103J50 C 317 CMA030D2H C 318 CMA030D2H C 319 ...

Страница 23: ... 885 CKSQYB473K50 C 886 CKSQYB473K50 C 887 CKSQYB473K50 C 888 CKSQYB473K50 C 889 CKSQYB473K50 C 890 CKSQYB473K50 C 891 CKSQYB473K50 C 892 CKSQYB473K50 C 893 CCSSL101J50 C 894 CCSSL101J50 C 895 CCSSL101J50 C 896 CCSSL101J50 C 902 CEAS221M10 C 903 CEAS2R2M50 C 904 CEAS101M16 C 905 CQMA472J50 C 906 CQMA472J50 C 907 4700µF 16V CCH1310 C 908 4700µF 16V CCH1310 C 909 4700µF 16V CCH1310 C 910 478LBA050M2...

Страница 24: ...stment is performed with no loads on the outputs with no signal input Specification 45 mA 5mA Voltage Range 4 0 mV to 5 0 mV 1 Measure voltage across Resistor R433 and set VR501 to Voltage Range 2 Measure voltage across Resistor R434 and set VR502 to Voltage Range 3 Measure voltage across Resistor R435 and set VR503 to Voltage Range 4 Measure voltage across Resistor R436 and set VR504 to Voltage R...

Страница 25: ...rews Remove the screw Remove the three screws Remove the six screws Disconnect the connector and then remove the Case Remove the screw and then remove the Plate Fig 2 Plate Removing the Amp Unit Fig 2 Remove the two screws Remove the two screws Remove the eight screws and then remove the Amp Unit Amp Unit Connector ...

Страница 26: ...26 GM X944 8 OPERATIONS AND SPECIFICATIONS 8 1 OPERATIONS ...

Страница 27: ...PF HPF BPF and LOW HIGH select switch settings lets you select between cut off frequencies from 40 to 120 Hz and 3k to 9k Hz Example LPF and HIGH 0 3 dB Hz 3 kHz 9 kHz LPF Low Pass Filter HPF High Pass Filter BPF Band Pass Filter and LOW HIGH Select Switch Set the LPF HPF BPF and LOW HIGH select switch as follows according to the type of speaker that is connected to the speaker output connector an...

Страница 28: ...jacks A and B see the Connecting the Speakers and Input wires section Connecting wires with RCA pin plugs sold separately RCA input jack B RCA output jack Speaker output terminal System remote control wire sold separately Connect the male terminal of this wire to the system remote control terminal of the car stereo SYSTEM REMOTE CONTROL The female terminal can be connected to the auto antenna rela...

Страница 29: ...z 0 4 THD Load impedance 4 Ω 1 8 Ω allowable Bridge connection 2 8 Ω allowable Frequency response 10 50 000 Hz 0 dB 1 dB Signal to noise ratio 105 dB IHF A network Distortion 0 005 10 W 1 kHz Separation 65 dB 1 kHz Variable crossover network A CH LPF L LPF H HPF L BPF B CH LPF L LPF H HPF L HPF H Cut off frequency Low frequency 40 120 Hz High frequency 3k 9k Hz Cut off slope 12 dB oct Maximum inpu...

Страница 30: ... impedance 4 Ω 1 8 Ω allowable Bridge connection 2 8 Ω allowable Frequency response 10 50 000 Hz 0 dB 1 dB Signal to noise ratio 105 dB IEC A network Distortion 0 005 10 W 1 kHz Separation 65 dB 1 kHz Varibale crossover network A CH LPF L LPF H HPF L BPF B CH LPF L LPF H HPF L HPF H Cut off frequency Low frequency 40 120 Hz High frequency 3k 9k Hz Cut off slope 12 dB oct Maximum input level impeda...

Страница 31: ... 1 8 Ω allowable Bridge connection 2 8 Ω allowable Frequency response 10 50 000 Hz 0 dB 1 dB Signal to noise ratio 105 dB IEC A network Distortion 0 005 10 W 1 kHz Separation 65 dB 1 kHz Variable crossover network A CH LPF L LPF H HPF L BPF B CH LPF L LPF H HPF L HPF H Cut off frequency Low frequency 40 120 Hz High frequency 3k 9k Hz Cut off slope 12 dB oct Maximum input level impedance RCA 6 5 V ...

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