Pioneer GM-X542 Service Manual Download Page 1

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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

PIONEER CORPORATION 2000

K-ZZA. MAR. 2000 Printed in Japan

ORDER NO.

CRT2480

BRIDGEABLE POWER AMPLIFIER

GM-X642

X1R/EW

Service
Manual

CONTENTS

1. SAFETY INFORMATION............................................2

2. EXPLODED VIEWS AND PARTS LIST ......................3

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-X542

X1R/UC,ES

GM-X642/X1R/EW

Summary of Contents for GM-X542

Page 1: ...LTD 253 Alexandra Road 04 01 Singapore 159936 C PIONEER CORPORATION 2000 K ZZA MAR 2000 Printed in Japan ORDER NO CRT2480 BRIDGEABLE POWER AMPLIFIER GM X642 X1R EW Service Manual CONTENTS 1 SAFETY INFORMATION 2 2 EXPLODED VIEWS AND PARTS LIST 3 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 S...

Page 2: ...mproperly 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 chemicals which are known t...

Page 3: ...X642 X1R EW GM X542 X1R UC GM X542 X1R ES 1 1 Owner s Manual HRD0136 HRD0135 HRD0137 1 2 Owner s Manual Not used Not used HRD0143 1 3 Warranty Card HRY1157 Not used Not used 1 4 Card Not used ARY1048 Not used 2 Screw BYC40P180FZK BYC40P180FZK BYC40P180FZK 3 Polyethylene Bag HEG0011 HEG0011 HEG0011 4 Polyethylene Bag HEG0009 HEG0009 HEG0009 5 Carton HHG0242 HHG0241 HHG0243 6 Contain Box HHL0242 HHL...

Page 4: ...4 GM X642 X542 2 2 EXTERIOR ...

Page 5: ...n Jack CN852 HKB0001 14 Terminal CN901 HKE0036 15 Terminal CN601 HKE0035 16 Clip HNC0054 17 Heat Sink HNR0151 18 Screw PPZ30P100SAD 19 Light Pipe Unit HXA0322 20 Screw PPZ30P100FZK 21 Fuse Holder HKE0012 22 Fuse FU902 25A HEK0025 23 Thermistor TH902 CCX1013 24 Screw M2 6x6 HBA0012 2 CONTRAST TABLE GM X642 X1R EW and GM X542 X1R UC ES are constructed the same except for the following Part No Mark N...

Page 6: ... 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 A 3 BLOCK DIAGRAM AND 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 ...

Page 7: ...r resistor and capacitor fixed values are expressed as 2 2 2R2 0 022 R022 Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capacitors AMP GAIN 7 31dB BASS BOOST 60Hz 0 18dB OCTAVE EW ES BFC HEK0025 FU902 7 GM X642 X542 5 6 7 8 A B C D 5 6 7 8 A b A ...

Page 8: ...542 A 1 2 3 4 B C D 1 2 3 4 Symbol ind No differen discrete res NOTE Symbol ind No differen discrete ca ISOLATOR CIRCUIT GAIN 1 HP LP FILTER 80Hz 12dB OCTAVE BASS BOOS 60Hz 0 18dB OCTA OFF LPF HPF A a A a A b 1 2 ...

Page 9: ...9 GM X642 X542 5 6 7 8 A B C D 5 6 7 8 POWER SUPPLY A a A a A b 3 ...

Page 10: ...alues are expressed as 2 2 2R2 0 022 R022 Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capacitors AMP GAIN 7 31dB SS BOOST 60Hz dB OCTAVE A a A b A b 1 2 ...

Page 11: ...8 A B C D 5 6 7 8 The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation EW ES BFC HEK0025 FU902 A a A b A b 3 ...

Page 12: ... AMP UNIT NOTE FOR PCB 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 ...

Page 13: ...13 GM X642 X542 5 6 7 8 A B C D 5 6 7 8 A B GND B REMOTE R R R R L L L L BFC 1 2 3 4 5 6 7 SIDE A ...

Page 14: ...14 GM X642 X542 A 1 2 3 4 B C D 1 2 3 4 A A AMP UNIT ...

Page 15: ...15 GM X642 X542 5 6 7 8 A B C D 5 6 7 8 A SIDE B ...

Page 16: ...art numbers shown below indicate chip components Chip Resistor RS1 _S___J RS1 __S___J Chip Capacitor except for CQS CKS CCS CSZS Unit Number HWH0130 GM X642 X1R EW Unit Number HWH0129 GM X542 X1R UC Unit Number HWH0131 GM X542 X1R ES Unit Name Amp Unit MISCELLANEOUS IC 101 IC NJM2068L IC 102 IC NJM2068L IC 103 IC NJM2068L IC 104 IC NJM2068L IC 451 IC NJM2068D IC 452 IC NJM2068D IC 501 IC NJM2068D ...

Page 17: ...R 526 RD1 4PU680J R 527 RD1 4PU332J R 528 RD1 4PU332J R 529 RD1 4PU101J R 530 RD1 4PU101J R 531 RD1 4PU163J R 532 RD1 4PU163J R 533 RD1 4PU332J R 534 RD1 4PU332J R 535 RD1 4PU183J R 536 RD1 4PU183J R 537 RD1 4PU121J R 538 RD1 4PU121J R 539 RD1 4PU102J R 540 RD1 4PU102J R 541 RD1 4PU622J R 542 RD1 4PU622J R 543 RD1 4PU104J R 544 RD1 4PU104J R 545 RD1 4PU101J R 546 RD1 4PU101J R 547 RD1 4PU101J R 54...

Page 18: ... 106 CFTLA154J50 C 451 CKSQYB273K25 C 452 CKSQYB273K25 C 453 CEAS4R7M35 C 454 CEAS4R7M35 C 455 CFTLA224J50 C 456 CFTLA224J50 C 457 CFTLA473J50 C 458 CFTLA473J50 C 459 CEAS470M16 C 460 CEAS470M16 C 501 CMA220J2H C 502 CMA220J2H C 503 CQMA152J50 C 504 CQMA152J50 C 505 CQMA103J50 C 506 CQMA103J50 C 507 CFTLA393J50 C 508 CFTLA393J50 C 509 CMA030D2H C 510 CMA030D2H C 511 CMA030D2H C 512 CMA030D2H C 513...

Page 19: ...6 C 905 CQMA472J50 C 906 CQMA472J50 C 907 3300µF 16V CCH1211 C 908 4700µF 35V HCH0001 C 909 4700µF 35V HCH0001 C 912 CEASR10M50 C 913 CEASR10M50 C 914 CQMA102J50 C 915 CQMA102J50 C 916 CFTLA334J50 C 917 CFTLA334J50 C 918 CKSQYB102K50 C 919 CKSQYB102K50 C 920 CFTLA564J50 C 921 CEAS101M16 C 922 CEAS101M16 C 923 CKSQYB102K50 C 924 CKSQYB102K50 C 927 CQMA102J50 C 932 CEAS470M10 C 937 CKSQYB473K50 C 93...

Page 20: ...move the screw Remove the three screws Remove the two screws and then remove the Case Remove the screw and then remove the Plate Fig 2 Plate Amp Unit Panel Removing the Amp Unit Fig 2 Remove the four screws Remove the two screws and then remove the Panel Remove the twelve screws Remove the six screws and then remove the Amp Unit ...

Page 21: ...21 GM X642 X542 8 OPERATIONS AND SPECIFICATIONS 8 1 OPERATIONS ...

Page 22: ... the front of the power amplifier clockwise If the sound distorts when the volume is turned up turn the gain control counter clockwise When using with an RCA equipped car stereo standard output of 500 mV set to the NORMAL position When using with an RCA equipped Pioneer car stereo with max output of 4 V or more adjust level to match the car stereo output level If you hear too much noise when using...

Page 23: ...25 A Car stereo with RCA output jacks External Output Connecting wires with RCA pin plugs sold separately RCA input jack RCA output jack 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 relay control terminal If the car stereo does ...

Page 24: ...requency 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 Low pass filter Cut off frequency 80 Hz Cut off slope 12 dB oct High pass filter Cut off frequency 80 Hz Cut off slope 12 dB oct Bass boost Frequency 60 Hz Gain 0 18 dB Maximum input level impedance RCA 6 5 V 22 kΩ 0 4 6 5 V Speaker 26 V 40 kΩ 1 6 26 V Note Specifi...

Page 25: ...e 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 Low pass filter Cut off frequency 80 Hz Cut off slope 12 dB oct High pass filter Cut off frequency 80 Hz Cut off slope 12 dB oct Bass boost Frequency 60 Hz Gain 0 18 dB Maximum input level impedance RCA 6 5 V...

Page 26: ...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 Low pass filter Cut off frequency 80 Hz Cut off slope 12 dB oct High pass filter Cut off frequency 80 Hz Cut off slope 12 dB oct Bass boost Frequency 60 Hz Gain 0 18 dB Maximum input level impedance RCA 6 5 V 22 kΩ 0 4 V 6 5 V Spe...

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