Pioneer GM-X334 Service Manual
Pioneer GM-X334 Manual
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- Pioneer GM-X334 | Service Manual - Page 1
GM-X434/X1R/UC BRIDGEABLE FOUR-CHANNEL POWER AMPLIFIER GM-X434 GM-X334 X1R/UC,EW,ES ORDER NO. CRT2358 X1R/UC 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 16 6. ADJUSTMENT 20 7. GENERAL - Pioneer GM-X334 | Service Manual - Page 2
GM-X434,X334 1. SAFETY INFORMATION - GM-X434/X1R/UC, GM-X334/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 - Pioneer GM-X334 | Service Manual - Page 3
(Power) Not used HRY0007 Not used Not used Not used ARY1048 HRY0007 Not used Not used Not used Not used Not used HDW0004 HDE0007 HDE4423 Not used Not used HDW0004 HDE0007 HDE4423 11 Cord(Ground) Not used Not used HDE4455 HDE4455 - Owner's Manual Model GM-X434/X1R/UC GM-X334/X1R/UC GM-X334 - Pioneer GM-X334 | Service Manual - Page 4
GM-X434,X334 2.2 EXTERIOR 4 - Pioneer GM-X334 | Service Manual - Page 5
TABLE GM-X434/X1R/UC, GM-X334/X1R/UC, GM-X334/X1R/EW and GM-X334/X1R/ES are constructed the same except for the following: Mark No. Symbol and Description 6 Panel 7 Panel 9 Heat Sink 11 Amp Unit 15 Cord(CN831) GM-X434/X1R/UC HNB2409 HNB2415 HNR1514 HWH0082 HDE5817 Part No. GM-X334/X1R/UC GM-X334 - Pioneer GM-X334 | Service Manual - Page 6
1 2 3 4 GM-X434,X334 3. SCHEMATIC DIAGRAM 3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) A Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST". A A-a Large size A-a A-b SCH diagram A-a A-b Guide page A-a A-b Detailed page B - Pioneer GM-X334 | Service Manual - Page 7
5 6 A-b 7 8 GM-X434,X334 A B C D A7 5 6 7 8 - Pioneer GM-X334 | Service Manual - Page 8
1 2 3 4 GM-X434,X334 A-a A-b A B C D 8 A-a 1 2 3 4 - Pioneer GM-X334 | Service Manual - Page 9
5 6 7 8 GM-X434,X334 A-a A-b A B C D A-a 9 5 6 7 8 - Pioneer GM-X334 | Service Manual - Page 10
A-a A-b A 1 2 3 4 GM-X434,X334 A B C D 10 A-b 1 2 3 4 - Pioneer GM-X334 | Service Manual - Page 11
5 6 7 8 GM-X434,X334 A-a A-b A B C D A-b 11 5 6 7 8 - Pioneer GM-X334 | Service Manual - Page 12
1 2 3 4 GM-X434,X334 4. PCB CONNECTION DIAGRAM 4.1 AMP UNIT A NOTE FOR PCB DIAGRAMS 1. The parts mounted on this PCB A AMP UNIT include all necessary parts for several destination. For further information for respective destinations, be sure to check with the schematic dia- gram. 2. - Pioneer GM-X334 | Service Manual - Page 13
5 6 7 8 GM-X434,X334 A SIDE A B C D A 13 5 6 7 8 - Pioneer GM-X334 | Service Manual - Page 14
1 2 3 4 GM-X434,X334 A AMP UNIT A B C D A 14 1 2 3 4 - Pioneer GM-X334 | Service Manual - Page 15
5 6 7 8 GM-X434,X334 SIDE B A B C D A 15 5 6 7 8 - Pioneer GM-X334 | Service Manual - Page 16
.===Part Name Part No A Unit Number Unit Number Unit Number Unit Number Unit Name : HWH0082(GM-X434/X1R/UC) : HWH0081(GM-X334/X1R/UC) : HWH0079(GM-X334/X1R/EW) : HWH0080(GM-X334/X1R/ES) : Amp Unit =====Circuit Symbol and No.===Part Name Q 652 Q 653 Q 654 Q 655 Q 656 Transistor Transistor - Pioneer GM-X334 | Service Manual - Page 17
GM-X434,X334 =====Circuit Symbol and No.===Part Name RESISTORS R 101 R 102 R 103 R 104 R 105 R 107 R 108 R 111 R 112 R 113 R 114 R 115 R 151 R 152 R 153 R 154 R 155 R 156 R - Pioneer GM-X334 | Service Manual - Page 18
GM-X434,X334 =====Circuit Symbol and No.===Part Name R 603 R 604 R 605 R 606 R 607 R 608 R 609 R 610 R 611 R 612 R 613 R 614 R 615 R 616 R 651 R 652 R 653 R 654 R 655 R - Pioneer GM-X334 | Service Manual - Page 19
GM-X434,X334 =====Circuit Symbol and No.===Part Name C 252 C 253 C 254 C 255 C 256 C 257 C 258 C 259 C 260 C 261 C 262 C 264 C 301 C 302 C 303 C 304 C 305 C 351 C 352 C - Pioneer GM-X334 | Service Manual - Page 20
X434,X334 CONTRAST TABLE of AMP UNIT GM-X434/X1R/UC, GM-X334/X1R/UC, GM-X334/X1R/EW and GM-X334/X1R/ES are constructed the same except for the following: Symbol and Description S 951 Switch(BFC) VR 103 Volume 50kΩ(C) R 114 R 115 R 214 R 215 R 831 R 832 R 833 R 834 R 958 C 831 C 832 C 833 C 834 GM - Pioneer GM-X334 | Service Manual - Page 21
PA2027A GM-X434,X334 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 2V - Pioneer GM-X334 | Service Manual - Page 22
GM-X434,X334 7.2 DIAGNOSIS 7.2.1 DISASSEMBLY - Removing the Case(not shown) 1. Remove the nine screws. 2. Remove the Case. - Removing the Panel Unit(not shown) 1. Remove the six screws. 2. Remove the two Panel Units. - Removing the Amp Unit(Fig.1) Remove the twelve screws. Use 2 pcs. of screw and - Pioneer GM-X334 | Service Manual - Page 23
help match the output of the car stereo to the Pioneer amplifier. Normally, set the switch to the "NORMAL" position. If the output is low even when the volume of the car stereo is turned up, turn these controls clockwise. If there is distortion when the volume of the car stereo is turned up, turn - Pioneer GM-X334 | Service Manual - Page 24
at rest or idling, the battery may go dead. Turn the car stereo off when the engine is at rest or idling. • If the system remote control wire of the amplifier is connected to the power terminal through the ignition switch (12 V DC), the amplifier will always be on when the ignition is on- regardless - Pioneer GM-X334 | Service Manual - Page 25
,X334 8.2 SPECIFICATIONS - GM-X434/X1R/UC, GM-X334/X1R/UC, GM-X334/X1R/EW, GM-X334/X1R/ES Specifications Power source ...14.4 V DC (10.8 - 15.1 V allowable) Grounding system ...Negative type Current consumption ...18 A (at continuous power, 4 Ω) Average current drawn* ...5.5 A (4 Ω for four channels
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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. JAN. 1999 Printed in Japan
ORDER NO.
CRT2358
BRIDGEABLE FOUR-CHANNEL POWER AMPLIFIER
GM-X434
X1R/UC
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
........................................
16
6. ADJUSTMENT
..........................................................
20
7. GENERAL INFORMATION
.......................................
20
7.1 IC
.........................................................................
20
7.2 DISASSEMBLY
...................................................
22
8. OPERATIONS AND SPECIFICATIONS
.....................
23
GM-X334
X1R/UC,EW,ES
GM-X434/X1R/UC