Pioneer GMX-354 Service manual
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.
CRT2615
BRIDGEABLE FOUR-CHANNEL POWER AMPLIFIER
GM-X354 X1R/UC,EW,ES
GM-X354/X1R/EW
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................2
3. SCHEMATIC DIAGRAM.............................................6
4. PCB CONNECTION DIAGRAM..................................8
5. ELECTRICAL PARTS LIST........................................12
6. ADJUSTMENT.........................................................15
7. GENERAL INFORMATION.......................................16
7.1 DISASSEMBLY ..................................................16
8. OPERATIONS AND SPECIFICATIONS....................17
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GM-X354
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
1. SAFETY INFORMATION
- GM-X354/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.
W
ARNING
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
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GM-X354
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-X354/X1R/UC HRD0163 English, French
GM-X354/X1R/EW HRD0160 English, Spanish, German,
French, Italian, Dutch
GM-X354/X1R/ES HRD0164 English, Spanish
HRD0175 Portuguese(B), Arabic
- PACKING SECTION PARTS LIST
Part No.
Mark No. Description GM-X354/X1R/UC GM-X354/X1R/EW GM-X354/X1R/ES
* 1-1 Warranty Card Not used HRY1157 Not used
1-2 Owner’s Manual HRD0163 HRD0160 HRD0164
1-3 Owner’s Manual Not used Not used HRD0175
* 1-4 Card ARY1048 Not used Not used
2 Screw BYC40P180FZK BYC40P180FZK BYC40P180FZK
3 Polyethylene Bag HEG0011 HEG0011 HEG0011
4 Polyethylene Bag HEG0013 HEG0013 HEG0013
5 Carton HHG0279 HHG0279 HHG0279
6 Contain Box HHL0279 HHL0279 HHL0279
7 Protector HHP0106 HHP0106 HHP0106
8 Cord Assy HDE0036 HDE0036 HDE0036
9 Cover HNS0101 HNS0101 HNS0101
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GM-X354
2.2 EXTERIOR
A
5
GM-X354
(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 Light Pipe Unit HXA0322
10 Panel
See Contrast table(2)
11 Panel See Contrast table(2)
12 Case HNB0132
13 Holder HNC0080
14 Heat Sink
See Contrast table(2)
15 Cover HNS0101
16 Spacer HNV0016
17 Amp Unit
See Contrast table(2)
18 Terminal(CN903) CKF1059
19 Fuse(25A) HEK0025
20 Pin Jack(CN802) HKB0001
21 Pin Jack(CN801) HKB0005
22 Terminal(CN851) HKE0033
23 Terminal(CN901) HKE0036
24 Connector(CN803) HKM1077
25 Connector(CN804) HKM1077
26 Buss Bar HNC0043
27 Clip HNC0054
28 Holder HNC0082
29 Screw PPZ30P100SAD
(2) CONTRAST TABLE
GM-X354/X1R/UC, EW and ES are constructed the same except for the following:
Part No.
Mark No. Description GM-X354/X1R/UC GM-X354/X1R/EW GM-X354/X1R/ES
10 Panel HNB0125 HNB0143 HNB0125
11 Panel HNB0127 HNB0148 HNB0127
14 Heat Sink HNR0180 HNR0188 HNR0180
17 Amp Unit HWH0151 HWH0150 HWH0152
AMP UNIT
INPUT
SELECT
SPEAKER
INPUT A
SPEAKER
INPUT B
L+ R+
L-
R-
L+ R+
L-
R-
S101-1
LPF/HPF SELECT
S301-1
LPF/HPF S
BFC
GAIN=1
GAIN=1
GAIN= -12dB
80Hz 12dB/OCTAVE
80Hz 12dB/OCTAVE
(EW,ES model)
A
REGULATOR
DC/DC CONVERTER
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GM-X354
A
1
234
B
C
D
12
34
3. SCHEMATIC DIAGRAM
3.1 AMP UNIT
Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS
LIST”.
A
SELECT
S301-1
LPF/HPF SELECT
GAIN
AMP
GAIN = 5.2 - 27.5 dB
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GM-X354
5
6
7
8
A
B
C
D
5
6
7
8
A
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