Service
Manual |
GM-X624/X1R/UC |
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ORDER NO. |
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CRT2202
BRIDGEABLE FOUR-CH CHANNEL POWER AMPLIFIER
GM-X624 X1R/UC, ES, EW
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 toxicant 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.
CONTENTS
1. |
SAFETY INFORMATION ............................................ |
1 |
6. |
ADJUSTMENT.......................................................... |
18 |
2. |
EXPLODED VIEWS AND PARTS LIST ....................... |
2 |
7. |
GENERAL INFORMATION ....................................... |
18 |
3. |
SCHEMATIC DIAGRAM ............................................. |
6 |
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7.1 IC ......................................................................... |
18 |
4. |
PCB CONNECTION DIAGRAM ................................ |
12 |
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7.2 DISASSEMBLY ................................................... |
19 |
5. |
ELECTRICAL PARTS LIST ........................................ |
14 |
8. |
OPERATIONS AND SPECIFICATIONS..................... |
20 |
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PIONEER ELECTRONIC CORPORATION |
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan |
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PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. |
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PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium |
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PIONEER ELECTRONICS ASIACENTRE, PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880 |
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C PIONEER ELECTRONIC CORPORATION 1998
K-ZEU. APR. 1998 Printed in Japan
GM-X624, GM-X524
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
5
1
2
3
4
8 |
9 |
6
9
7
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.
-PACKING SECTION PARTS LIST
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Part No. |
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GM-X624 |
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GM-X524 |
Mark |
No. |
Symbol and Description |
X1R/UC |
X1R/ES |
X1R/EW |
X1R/UC |
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1 |
Owner’s Manual |
HRD0037 |
HRD0039 |
HRD0040 |
HRD0038 |
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Owner’s Manual |
Not used |
HRD0071 |
Not used |
Not used |
* |
2 |
Screw Assy |
HEA0017 |
HEA0017 |
HEA0017 |
HEA0017 |
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3 |
Screw |
BYC40P180FZK |
BYC40P180FZK |
BYC40P180FZK |
BYC40P180FZK |
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4 |
Polyethylene Bag |
HEG0011 |
HEG0011 |
HEG0011 |
HEG0011 |
* |
5 |
Warranty Card |
HRY1070 |
Not used |
HRY1087 |
Not used |
* |
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Card |
Not used |
Not used |
Not used |
ARY1048 |
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6 |
Polyethylene Bag |
HEG0012 |
HEG0012 |
HEG0012 |
HEG0012 |
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7 |
Carton |
HHG0145 |
HHG0147 |
HHG0148 |
HHG0146 |
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8 |
Contain Box |
HHL0145 |
HHL0147 |
HHL0148 |
HHL0146 |
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9 |
Protector |
HHP0025 |
HHP0025 |
HHP0025 |
HHP0025 |
- Owner's Manual
Model |
Part No. |
Language |
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GM-X624/X1R/UC |
HRD0037 |
English, French |
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GM-X624/X1R/ES |
HRD0039 |
English, Spanish |
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HRD0071 |
Arabic, Portuguese(B) |
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GM-X624/X1R/EW |
HRD0040 |
English, French, German, Dutch, Spanish, Italian |
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GM-X524/X1R/UC |
HRD0038 |
English, French |
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2
GM-X624, GM-X524
2.2 EXTERIOR
3
GM-X624, GM-X524
(1) EXTERIOR SECTION PARTS LIST
Mark No. |
Description |
Part No. |
Mark No. |
Description |
Part No. |
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1 |
Screw(M3x12) |
CBA1323 |
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26 |
Terminal(CN601) |
HKE0002 |
2 |
Screw(M3x14) |
CBA1382 |
27 |
Terminal(CN301,CN302) |
HKE0010 |
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3 |
Screw |
HBA0006 |
28 |
Terminal(CN602) |
HKE0012 |
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4 |
Screw |
HBA0011 |
29 |
Holder |
HNC0025 |
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5 |
Cord Assy |
HDE0022 |
30 |
Holder |
HNC0026 |
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6 |
Case |
HNB0036 |
31 |
Screw |
PPZ30P060FZK |
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7 |
Heat Sink |
See Contrast table(2) |
32 |
Plate Unit |
See Contrast table(2) |
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8 |
Spacer |
HNV3975 |
33 |
Badge Unit |
See Contrast table(2) |
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9 |
Amp Unit |
See Contrast table(2) |
34 |
Light Pipe Unit |
HXA0201 |
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10 |
Screw |
BMS30P060FZK |
35 |
Panel Unit |
See Contrast table(2) |
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11 |
Screw |
BMS30P080FMC |
36 |
Plate |
See Contrast table(2) |
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12 |
Cord(CN303) |
HDE0020 |
37 |
Panel Unit |
See Contrast table(2) |
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13 |
Bass Bar |
HNC0034 |
38 |
Plate |
See Contrast table(2) |
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14 |
Bass Bar |
HNC0035 |
39 |
Diode(D611) |
YG902N2 |
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15 |
Bass Bar |
HNC0036 |
40 |
Diode(D910) |
YG902C2 |
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16 |
Bass Bar |
HNC0037 |
41 |
Transistor(Q329-Q332) |
2SC1568 |
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17 |
Bass Bar |
HNC0043 |
42 |
Thermistor(TH601,TH602) |
CCX1013 |
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18 |
Bass Bar |
HNC0044 |
43 |
Transistor(Q333-Q336) |
2SD2438 |
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19 |
Clip |
HNC0054 |
44 |
Transistor(Q337-Q340) |
2SB1587 |
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20 |
Heat Sink |
HNR0085 |
45 |
FET(Q610-Q615) |
IRFIZ44N |
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21 |
Heat Sink |
HNR0086 |
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22 |
Clamper |
HNV0015 |
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23 |
Fuse(20A) |
HEK0020 |
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24 |
Pin Jack(CN853) |
HKB0002 |
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25 |
Pin Jack(CN851) |
HKB0004 |
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(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:
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Part No. |
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GM-X624 |
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GM-X524 |
Mark No. |
Symbol and Description |
X1R/UC |
X1R/ES |
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X1R/EW |
X1R/UC |
7 |
Heat Sink |
HNR0069 |
HNR0070 |
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HNR0070 |
HNR0102 |
9 |
Amp Unit |
HWH0048 |
HWH0046 |
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HWH0045 |
HWH0047 |
32 |
Plate Unit |
HXA0104 |
HXA0105 |
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HXA0105 |
HXA0105 |
33 |
Badge Unit |
HXA0261 |
HXA0113 |
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HXA0113 |
HXA0113 |
35 |
Panel Unit |
HXA0253 |
HXA0252 |
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HXA0252 |
HXA0252 |
36 |
Panel |
* HNS0065 |
HNS0046 |
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HNS0046 |
HNS0046 |
37 |
Panel Unit |
HXA0258 |
HXA0257 |
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HXA0257 |
HXA0257 |
38 |
Panel |
* HNS0064 |
HNS0039 |
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HNS0039 |
HNS0039 |
4
GM-X624, GM-X524
5
GM-X624, GM-X524
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”.
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Large size |
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SCH diagram |
A-a |
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A-b |
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A-a
BUFFER AMP |
ISOLATOR |
A-a |
A-b |
Guide page |
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20k(E)
20k(E)
Detailed page
A-a A-b
20k(E)
20k(E)
20k(E)
20k(E)
20k(E)
20k(E)
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PWM CONTROL |
100H |
1.8V |
3.9V |
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3.9V |
0V |
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3.8V |
14.4V |
1.8V |
5V |
0.3V |
5V |
2.2V |
2.4V |
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2.4V |
0V |
100H |
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6 A
GM-X624, GM-X524
A AMP UNIT
: AUDIO SIGNL
A-b
10k(A)
10k(A)
L
8V |
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50H |
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V |
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8V |
0.1V |
POWER CONTROL /MUTE |
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8V |
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HEK0020 |
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3V |
3.2V |
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.2V |
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0.3V |
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0V |
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0.2V |
HEK0020 |
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5V |
14.4V |
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0V |
14.2V |
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0.2V |
10.7V |
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0V |
14.4V |
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Fig. 3
A 7
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