Pioneer GM-X952 Bedienungsanleitung
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 NV 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.
CRT2612
BRIDGEABLE POWER AMPLIFIER
GM-X952 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........................................14
6. ADJUSTMENT.........................................................16
7. GENERAL INFORMATION.......................................17
7.1 DISASSEMBLY ..................................................17
8. OPERATIONS AND SPECIFICATIONS....................18
GM-X952/X1R/EW
2
GM-X952
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
1. SAFETY INFORMATION
-GM-X952/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 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
This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of
California to cause cancer, birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 - Proposition 65
3
GM-X952
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.
-Owner's Manual
Model Part No. Language
GM-X952/X1R/UC HRD0169 English, French
GM-X952/X1R/EW HRD0156 English, Spanish, German,
French, Italian, Dutch
GM-X952/X1R/ES HRD0170 English, Spanish
HRD0171 Portuguese(B), Arabic
-PACKING SECTION PARTS LIST
Part No.
Mark No. Description GM-X952/X1R/UC GM-X952/X1R/EW GM-X952/X1R/ES
* 1-1 Warranty Card Not used HRY1157 Not used
1-2 Owner’s Manual HRD0169 HRD0156 HRD0170
1-3 Owner’s Manual Not used Not used HRD0171
* 1-4 Card ARY1048 Not used Not used
2 Screw BYC40P180FZK BYC40P180FZK BYC40P180FZK
3 Polyethylene Bag HEG0011 HEG0011 HEG0011
4 Polyethylene Bag HEG0022 HEG0022 HEG0022
5 Carton HHG0277 HHG0277 HHG0277
6 Contain Box HHL0277 HHL0277 HHL0277
7 Protector HHP0107 HHP0107 HHP0107
9 Cover HNS0101 HNS0101 HNS0101
4
GM-X952
2.2 EXTERIOR
A
5
GM-X952
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Screw PPZ30P100FZK
2 Screw BBZ30P050FMC
3 Screw BBZ30P060FMC
4 Screw BBZ30P080FMC
5 Screw BSZ30P050FZK
6 Screw(M3x12) CBA1323
7 Screw(M3x5) HBA0006
8 Screw(M3x8) HBA0011
9 Panel See Contrast table(2)
10 Panel See Contrast table(2)
11 Case HNB0135
12 Holder HNC0080
13 Heat Sink See Contrast table(2)
14 Cover HNS0101
15 Spacer HNV0016
16 Amp Unit See Contrast table(2)
17 Terminal(CN850) CKF1059
18 Fuse(25A) HEK0025
19 Pin Jack(CN851) HKB0002
20 Terminal(CN853) HKE0020
21 Terminal(CN854) HKE0021
22 Terminal(CN855) HKE0021
23 Buss Bar HNC0043
24 Holder HNC0082
25 Screw PPZ30P100SAD
26 Light Pipe Unit HXA0322
(2) CONTRAST TABLE
GM-X952/X1R/UC, EW and ES are constructed the same except for the following:
Part No.
Mark No. Description GM-X952/X1R/UC GM-X952/X1R/EW GM-X952/X1R/ES
9 Panel HNB0129 HNB0144 HNB0129
10 Panel HNB0130 HNB0140 HNB0130
13 Heat Sink HNR0181 HNR0187 HNR0181
16 Amp Unit HWH0139 HWH0138 HWH0140
INPUT
(-35V)
(+35V)
±15V
REGULATOR ±35V
REGULATOR
MUTE
PWM
CONTROLLER
BFC
LPF SELECT
AMP UNIT
ISOLATOR
GAIN = 1
LP FILTER
80Hz - 12dB/OCT
(EW,ES model)
A
DC/DC CONVERTER
6
GM-X952
A
1234
B
C
D
1234
A-a A-b
A-aA-a A-bA-b
A-bA-b
A-aA-a
Large size
SCH diagram
Guide page
Detailed page
3. SCHEMATIC DIAGRAM
3.1 AMP UNIT(GUIDE PAGE)
Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS
LIST”.
A-a
A
POWER AMP
POWER
CONTROL /
MUTE
OVER
CURRENT
DETECTOR
AMP GAIN = 9 - 34dB
7
GM-X952
5678
A
B
C
D
5678
A-b
A
8
GM-X952
A
1234
B
C
D
1234
INPUT
LPF SELECT
AMP UNIT
ISOLATOR
GAIN = 1
LP FILTER
80Hz - 12dB/OCT
A
A-a A-b
A-a
9
GM-X952
5678
A
B
C
D
5678
(-35V)
(+35V)
±15V
REGULATOR ±35V
REGULATOR
MUTE
PWM
CONTROLLER
BFC
(EW,ES model)
DC/DC CONVERTER
A-a A-b
2
3
1
A-a
10
GM-X952
A
1234
B
C
D
1234
POWER AMP
OVER
CURRENT
DETECTOR
AMP GAIN = 9 - 34dB
A-a A-b
A-b
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