ORDER NO.
CRT2202
Service
Manual
BRIDGEABLE FOUR-CH CHANNEL POWER AMPLIFIER
PIONEER ELECTRONIC 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 ELECTRONIC [EUROPE] N.V.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE, PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880
C PIONEER ELECTRONIC CORPORATION 1998
K-ZEU. APR. 1998 Printed in Japan
GM-X624
X1R/UC, ES, EW
CONTENTS
1. SAFETY INFORMATION ............................................1
2. EXPLODED VIEWS AND PARTS LIST .......................2
3. SCHEMATIC DIAGRAM .............................................6
4. PCB CONNECTION DIAGRAM ................................12
5. ELECTRICAL PARTS LIST ........................................14
6. ADJUSTMENT..........................................................18
7. GENERAL INFORMATION .......................................18
7.1 IC .........................................................................18
7.2 DISASSEMBLY ...................................................19
8. OPERATIONS AND SPECIFICATIONS.....................20
GM-X524
X1R/UC
1. SAFETY INFORMATION
UC model
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 properly and safely repair
complex products such as those 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
Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive toxi-
cant which may cause birth defects or other reproductive harm (California Health & Safety Code, Section 25249.5).
When servicing or handling circuit boards and other components which contain lead in solder, avoid unprotected skin
contact with the solder. Also, when soldering do not inhale any smoke or fumes produced.
GM-X624/X1R/UC
2
GM-X624, GM-X524
3
5
4
2
1
8
9
6
7
9
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
- PACKING SECTION PARTS LIST
Part No.
GM-X624
GM-X524
Mark
No.
Symbol and Description
X1R/UC
X1R/ES
X1R/EW
X1R/UC
1
Owner's Manual
HRD0037
HRD0039
HRD0040
HRD0038
Owner's Manual
Not used
HRD0071
Not used
Not used
*
2
Screw Assy
HEA0017
HEA0017
HEA0017
HEA0017
3
Screw
BYC40P180FZK
BYC40P180FZK
BYC40P180FZK
BYC40P180FZK
4
Polyethylene Bag
HEG0011
HEG0011
HEG0011
HEG0011
*
5
Warranty Card
HRY1070
Not used
HRY1087
Not used
*
Card
Not used
Not used
Not used
ARY1048
6
Polyethylene Bag
HEG0012
HEG0012
HEG0012
HEG0012
7
Carton
HHG0145
HHG0147
HHG0148
HHG0146
8
Contain Box
HHL0145
HHL0147
HHL0148
HHL0146
9
Protector
HHP0025
HHP0025
HHP0025
HHP0025
- Owner's Manual
Model
Part No.
Language
GM-X624/X1R/UC
HRD0037
English, French
GM-X624/X1R/ES
HRD0039
English, Spanish
HRD0071
Arabic, Portuguese(B)
GM-X624/X1R/EW
HRD0040
English, French, German, Dutch, Spanish, Italian
GM-X524/X1R/UC
HRD0038
English, French
NOTE:
- Parts marked by "*"are generally unavailable because they are not in our Master Spare Parts List.
- Screws adjacent to
mark on the product are used for disassembly.
GM-X624, GM-X524
3
2.2 EXTERIOR
4
GM-X624, GM-X524
1 Screw(M3x12)
CBA1323
2 Screw(M3x14)
CBA1382
3 Screw
HBA0006
4 Screw
HBA0011
5 Cord Assy
HDE0022
6 Case
HNB0036
7 Heat Sink
See Contrast table(2)
8 Spacer
HNV3975
9 Amp Unit
See Contrast table(2)
10 Screw
BMS30P060FZK
11 Screw
BMS30P080FMC
12 Cord(CN303)
HDE0020
13 Bass Bar
HNC0034
14 Bass Bar
HNC0035
15 Bass Bar
HNC0036
16 Bass Bar
HNC0037
17 Bass Bar
HNC0043
18 Bass Bar
HNC0044
19 Clip
HNC0054
20 Heat Sink
HNR0085
21 Heat Sink
HNR0086
22 Clamper
HNV0015
23 Fuse(20A)
HEK0020
24 Pin Jack(CN853)
HKB0002
25 Pin Jack(CN851)
HKB0004
26 Terminal(CN601)
HKE0002
27 Terminal(CN301,CN302) HKE0010
28 Terminal(CN602)
HKE0012
29 Holder
HNC0025
30 Holder
HNC0026
31 Screw
PPZ30P060FZK
32 Plate Unit
See Contrast table(2)
33 Badge Unit
See Contrast table(2)
34 Light Pipe Unit
HXA0201
35 Panel Unit
See Contrast table(2)
36 Plate
See Contrast table(2)
37 Panel Unit
See Contrast table(2)
38 Plate
See Contrast table(2)
39 Diode(D611)
YG902N2
40 Diode(D910)
YG902C2
41 Transistor(Q329-Q332)
2SC1568
42 Thermistor(TH601,TH602) CCX1013
43 Transistor(Q333-Q336)
2SD2438
44 Transistor(Q337-Q340)
2SB1587
45 FET(Q610-Q615)
IRFIZ44N
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.
(2) CONTRAST TABLE
GM-X624/X1R/UC, GM-X624/X1R/ES, GM-X624/X1R/EW and GM-X524/X1R/UC are constructed the same except for the
following:
Part No.
GM-X624
GM-X524
Mark
No.
Symbol and Description
X1R/UC
X1R/ES
X1R/EW
X1R/UC
7
Heat Sink
HNR0069
HNR0070
HNR0070
HNR0102
9
Amp Unit
HWH0048
HWH0046
HWH0045
HWH0047
32
Plate Unit
HXA0104
HXA0105
HXA0105
HXA0105
33
Badge Unit
HXA0261
HXA0113
HXA0113
HXA0113
35
Panel Unit
HXA0253
HXA0252
HXA0252
HXA0252
36
Panel
* HNS0065
HNS0046
HNS0046
HNS0046
37
Panel Unit
HXA0258
HXA0257
HXA0257
HXA0257
38
Panel
* HNS0064
HNS0039
HNS0039
HNS0039
5
GM-X624, GM-X524