Pioneer GM-X554 Service Manual
Pioneer GM-X554 Manual
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- Pioneer GM-X554 | Service Manual - Page 1
Service GM-X554/X1R/EW Manual BRIDGEABLE FOUR-CHANNEL POWER AMPLIFIER GM-X554 GM-X554 X1R/EW GM-X554 X1R/ES ORDER NO. CRT2613 X1R/UC 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 16 6. - Pioneer GM-X554 | Service Manual - Page 2
GM-X554 1. SAFETY INFORMATION - GM-X554/X1R/UC CAUTION This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to - Pioneer GM-X554 | Service Manual - Page 3
HHP0107 HEG0011 HEG0022 HHG0281 HHL0281 HHP0107 HEG0011 HEG0022 HHG0281 HHL0281 HHP0107 8 Cover HNS0101 HNS0101 HNS0101 - Owner's Manual Model GM-X554/X1R/UC GM-X554/X1R/EW GM-X554/X1R/ES Part No. HRD0167 HRD0159 HRD0168 HRD0174 Language English, French English, Spanish, German, French - Pioneer GM-X554 | Service Manual - Page 4
GM-X554 2.2 EXTERIOR A 4 - Pioneer GM-X554 | Service Manual - Page 5
, EW and ES are constructed the same except for the following: Part No. Mark No. Description GM-X554/X1R/UC GM-X554/X1R/EW GM-X554/X1R/ES 8 Panel HNB0128 HNB0147 HNB0128 10 Panel HNB0136 HNB0142 HNB0136 12 Heat Sink HNR0181 HNR0187 HNR0181 15 Amp Unit HWH0148 HWH0147 HWH0149 5 - Pioneer GM-X554 | Service Manual - Page 6
1 2 3 4 GM-X554 3. SCHEMATIC DIAGRAM 3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST". A A-a Large size A-a A-b SCH diagram A-a A-b Guide page A-a A-b Detailed page ISOLATOR - Pioneer GM-X554 | Service Manual - Page 7
5 GAIN 6 7 A-b A POWER AMP AMP UNIT AMP GAIN = 7 - 31dB 8 GM-X554 A B C POWER CONTROL / MUTE 5 6 D A7 7 8 - Pioneer GM-X554 | Service Manual - Page 8
4 3 2 1 8 A-a D OUTPUT L ISOLATOR GAIN = 1 OUTPUT R INPUT SELECT C B A-a A-b HP/LP FILTER 40 - 120Hz 12dB/OCTAVE HP/LP FILTER V V A GM-X554 4 3 2 1 - Pioneer GM-X554 | Service Manual - Page 9
8 7 6 5 A-a 9 D ±25V REGULATOR DC/DC CONVERTER C B (EW,ES model) BFC A-a A-b A GM-X554 8 7 6 5 - Pioneer GM-X554 | Service Manual - Page 10
4 3 2 1 10 A-b D GAIN C B A-a A-b A POWER AMP AMP UNIT AMP GAIN = 7 - 31dB A GM-X554 4 3 2 1 - Pioneer GM-X554 | Service Manual - Page 11
5 6 7 8 GM-X554 A-a A-b A B C POWER CONTROL / MUTE D A-b 11 5 6 7 8 - Pioneer GM-X554 | Service Manual - Page 12
4 GM-X554 4. PCB CONNECTION DIAGRAM 4.1 AMP UNIT NOTE FOR PCB DIAGRAMS A 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 Connector - Pioneer GM-X554 | Service Manual - Page 13
5 6 7 8 GM-X554 SIDE A A FUSE B C BFC D A 13 5 6 7 8 - Pioneer GM-X554 | Service Manual - Page 14
1 2 3 4 GM-X554 A AMP UNIT A B C POWER D A 14 1 2 3 4 - Pioneer GM-X554 | Service Manual - Page 15
5 6 7 8 GM-X554 SIDE B A B WER C D A 15 5 6 7 8 - Pioneer GM-X554 | Service Manual - Page 16
(except for CQS.....) CKS....., CCS....., CSZS..... =====Circuit Symbol and No.===Part Name Part No A Unit Number : HWH0148(GM-X554/X1R/UC) : HWH0147(GM-X554/X1R/EW) : HWH0149(GM-X554/X1R/ES) Unit Name : Amp Unit MISCELLANEOUS IC 121 IC IC 122 IC IC 123 IC IC 124 IC IC 125 IC NJM2068D - Pioneer GM-X554 | Service Manual - Page 17
GM-X554 =====Circuit Symbol and No.===Part Name L 851 Ferri-Inductor L 852 Ferri-Inductor L 853 Ferri-Inductor L 854 Ferri-Inductor T 601 Transformer TH 601 TH 602 TH - Pioneer GM-X554 | Service Manual - Page 18
GM-X554 =====Circuit Symbol and No.===Part Name R 383 0.22Ω R 384 0.22Ω R 385 0.22Ω R 386 0.22Ω R 387 0.22Ω R 388 0.22Ω R 389 0.22Ω R 390 0.22Ω R 391 0.22Ω R 392 0. - Pioneer GM-X554 | Service Manual - Page 19
GM-X554 =====Circuit Symbol and No.===Part Name C 304 C 305 C 306 C 307 C 308 C 309 C 310 C 311 C 312 C 317 C 318 C 319 C 320 C 321 C 322 C 323 C 324 C 325 C 326 C - Pioneer GM-X554 | Service Manual - Page 20
GM-X554 7. GENERAL INFORMATION 7.1 DISASSEMBLY - Removing the Case and the Panel (Fig.1) Remove the four screws. Remove the two screws. Remove the three screws and then remove the Case. Remove the six screws and then remove the Panel. - Removing the Amp Unit (Fig.2) Remove the twenty-four screws. - Pioneer GM-X554 | Service Manual - Page 21
8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS - GM-X554/X1R/EW GM-X554 21 - Pioneer GM-X554 | Service Manual - Page 22
GM-X554 22 Setting the Unit Gain Control Adjusting the gain controls A and B will help match the output of the car stereo to the Pioneer amplifier. Normally, set the gain controls to the "NORMAL" position. If the output is low, even when the volume of the car stereo is turned up, turn these - Pioneer GM-X554 | Service Manual - Page 23
Car stereo with RCA output jacks Front side Input Select Switch For two-channel input, slide this switch to the left. For four-channel input, slide this switch to the right. GM-X554 RCA output jack RCA input jack B RCA input jack A Fuse (20 A) × 2 Speaker terminal Back side Connecting wires - Pioneer GM-X554 | Service Manual - Page 24
GM-X554 8.2 SPECIFICATIONS - GM-X554/X1R/UC Power source 14.4 V DC (10.8 - 15.1 V allowable) Grounding system ...Negative type Current consumption 27.1 A (at continuous power, 4 Ω) Idle current ...4 - 25 mA Average current drawn 9.1 A (4 Ω for four channels) ...14.5 A (4 Ω for two channels) Fuse - Pioneer GM-X554 | Service Manual - Page 25
- GM-X554/X1R/ES Power source 14.4 V DC (10.8 - 15.1 V allowable) Grounding system ...Negative type Current consumption 27.1 A (at continuous power, 4 Ω) Idle current ...4 - 25 mA Average current drawn 9.1 A (4 Ω for four channels) ...14.5 A (4 Ω for two channels) Fuse ...20 A x 2 Dimensions 279
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PIONEER CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE INC.
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER EUROPE N.V.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD.
253 Alexandra Road, #04-01, Singapore 159936
C
PIONEER CORPORATION 2000
K-ZZS. NOV. 2000 Printed in Japan
ORDER NO.
CRT2613
BRIDGEABLE FOUR-CHANNEL POWER AMPLIFIER
GM-X554
X1R/UC
Service
Manual
GM-X554/X1R/EW
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
........................................
16
6. ADJUSTMENT
.........................................................
19
7.
GENERAL INFORMATION
.......................................
20
7.1 DISASSEMBLY
..................................................
20
8.
OPERATIONS AND SPECIFICATIONS
....................
21
GM-X554
X1R/EW
GM-X554
X1R/ES