Pioneer GM-232 Service Manual
Pioneer GM-232 Manual
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- Pioneer GM-232 | Service Manual - Page 1
/X1H/UC BRIDGEABLE POWER AMPLIFIER GM-232 ORDER NO. CRT2360 X1H/UC,EW,ES CONTENTS 1. SAFETY INFORMATION 1 2. EXPLODED 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 - Pioneer GM-232 | Service Manual - Page 2
GM-232 1. SAFETY INFORMATION - GM-232/X1H/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 - Pioneer GM-232 | Service Manual - Page 3
used HDW0004 HDE0007 HDE4423 Not used Not used HDW0004 HDE0007 HDE4423 11 Cord(Ground) Not used HDE4455 HDE4455 - Owner's Manual Model GM-232/X1H/UC GM-232/X1H/EW GM-232/X1H/ES Part No. HRD0080 HRD0082 HRD0083 HRD0084 Language English, French English, Spanish, German, French, Italian, Dutch - Pioneer GM-232 | Service Manual - Page 4
GM-232 2.2 EXTERIOR 4 - Pioneer GM-232 | Service Manual - Page 5
Contrast table(2) See Contrast table(2) (2) CONTRAST TABLE GM-232/X1H/UC, GM-232/X1H/EW and GM-232/X1H/ES are constructed the same except for the following: Mark No. Symbol and Description 8 Panel 11 Amp Unit 20 Terminal(CN151) 22 Holder 34 Cord GM-232/X1H/UC HNB2498 HWH0109 HKE0024 HNC8119 Not - Pioneer GM-232 | Service Manual - Page 6
1 2 3 4 GM-232 3. SCHEMATIC DIAGRAM 3.1 OVERALL CONNECTION DIAGRAM A Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST". A B C D A 6 1 2 3 4 - Pioneer GM-232 | Service Manual - Page 7
5 6 7 8 GM-232 A B C D A7 5 6 7 8 - Pioneer GM-232 | Service Manual - Page 8
1 2 GM-232 4. PCB CONNECTION DIAGRAM 4.1 AMP UNIT A A AMP UNIT 3 4 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 - Pioneer GM-232 | Service Manual - Page 9
5 6 2. Viewpoint of PCB diagrams Connector Capacitor SIDE A P.C.Board Chip Part SIDE B A AMP UNIT 7 8 GM-232 A SIDE B B C D A9 5 6 7 8 - Pioneer GM-232 | Service Manual - Page 10
CCS....., CSZS..... =====Circuit Symbol and No.===Part Name Part No A Unit Number Unit Number Unit Number Unit Name : HWH0109(GM-232/X1H/UC) : HWH0088(GM-232/X1H/EW) : HWH0108(GM-232/X1H/ES) : Amp Unit MISCELLANEOUS IC 103 IC IC 151 IC IC 651 IC IC 801 IC IC 802 IC NJM2068L NJM2068L - Pioneer GM-232 | Service Manual - Page 11
GM-232 =====Circuit Symbol and No.===Part Name R 256 R 257 R 258 R 259 R 260 R 261 R 262 R 263 R 264 R 265 R 266 R 267 R 268 0.22Ω R 269 0.22Ω R 270 0.22Ω R 271 0. - Pioneer GM-232 | Service Manual - Page 12
CCH1130 CQMA472J50 CQMA472J50 CQMA102J50 CQMA102J50 CCH1200 CCH1200 CEAS101M35 CEAS101M35 CEAS100M50 CEAS100M50 CKSQYB473K50 CKSQYB473K50 CONTRAST TABLE of AMP UNIT GM-232/X1H/UC, GM-232/X1H/EW and GM-232/X1H/ES are constructed the same except for the following: Symbol and Description S 951 Switch - Pioneer GM-232 | Service Manual - Page 13
6. ADJUSTMENT There is no information to be shown in this chapter. 7. GENERAL INFORMATION 7.1 PARTS 7.1.1 IC NJM2068L GM-232 + + A OUTPUT 1 A -INPUT 2 A +INPUT 3 V- 4 B +INPUT 5 B -INPUT 6 B OUTPUT 7 V+ 8 13 - Pioneer GM-232 | Service Manual - Page 14
GM-232 PA2027A VCC 1 Transient voltage detector Stby 2 Bandgap DET1 3 DET2 4 + - Circuit motion:on zz 50µA zz+- 16 IN1 2V zz+- 15 IN2 2V zz+- 14 IN3 - Pioneer GM-232 | Service Manual - Page 15
two Panel Units. - Removing the Amp Unit(Fig.1) Remove the nine screws. Use 2 pcs. of screw and insert them into the two holes marked with an arrow. Alternately tighten them little by little until the Sub Heat Sink separates from the Heat Sink. GM-232 Heat Sink Amp Unit Sub Heat Sink Sub Heat - Pioneer GM-232 | Service Manual - Page 16
GM-232 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS 16 Setting the Unit Gain Control If the sound is too low, even when the volume of the car stereo used along with this power amplifier is turned up, turn gain control on the back of the power amplifier clockwise. If the sound distorts when the - Pioneer GM-232 | Service Manual - Page 17
Diagram Grommet Fuse (30 A) Special red battery wire [RD-222] (sold separately). After making all other connections at the amplifier, connect the battery wire terminal of the amplifier to the positive (+) terminal of the battery. Ground wire (black) [RD-222] (sold separately). Connect to metal body - Pioneer GM-232 | Service Manual - Page 18
GM-232 8.2 SPECIFICATIONS - GM-232/X1H/UC, GM-232/X1H/EW, GM-232/X1H/ES Specifications Power source ...14.4 (D) mm [8-1/2 (W) × 2-1/8 (H) × 6-1/4 (D) in] Weight ...1.9 kg (4.2 lbs) (Leads for wiring not included) Maximum power output ...70 W × 2 / 200 W × 1 (EIAJ) Continuous power output amplifiers.
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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.
253 Alexandra Road, #04-01, Singapore 159936
C
PIONEER ELECTRONIC CORPORATION 1999
K-ZZA. FEB. 1999 Printed in Japan
CONTENTS
1. SAFETY INFORMATION
............................................
1
2. EXPLODED VIEWS AND PARTS LIST
.......................
2
3. SCHEMATIC DIAGRAM
.............................................
6
4. PCB CONNECTION DIAGRAM
..................................
8
5. ELECTRICAL PARTS LIST
........................................
10
6. ADJUSTMENT
..........................................................
13
7. GENERAL INFORMATION
.......................................
13
7.1 IC
.........................................................................
13
7.2 DISASSEMBLY
...................................................
15
8. OPERATIONS AND SPECIFICATIONS
.....................
16
ORDER NO.
CRT2360
BRIDGEABLE POWER AMPLIFIER
GM-232
X1H/UC,EW,ES
GM-232/X1H/UC