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BRIDGEABLE FOUR-CHANNEL POWER AMPLIFIER
GM-A6704
GM-A6704
GM-A6704
GM-A6704
PIONEER CORPORATION
PIONEER ELECTRONICS (USA) 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. 2 Jalan Kilang Barat, #07-01, Singapore 159346
PIONEER CORPORATION 2016
28-8, Honkomagome 2-chome, Bunkyo-ku, Tokyo 113-0021, Japan
GM-A6704/XEUC
/XEEW5
/XEVES
/XEVID
ORDER NO.
CRT5974
/XEUC
K-ZZZ SEPT. 2016 Printed in Japan
Table of Contents
Related Manuals for Pioneer GM-A6704/XEUC
Summary of Contents for Pioneer GM-A6704/XEUC
- Page 1 PIONEER CORPORATION 28-8, Honkomagome 2-chome, Bunkyo-ku, Tokyo 113-0021, Japan PIONEER ELECTRONICS (USA) 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. 2 Jalan Kilang Barat, #07-01, Singapore 159346 PIONEER CORPORATION 2016 K-ZZZ SEPT.
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Page 2: Table Of Contents
9. EXPLODED VIEWS AND PARTS LIST......................11 9.1 PACKING ..............................11 9.2 EXTERIOR............................... 13 10. SCHEMATIC DIAGRAM ..........................15 10.1 P.C.B TOTAL ASSY ..........................15 11. PCB CONNECTION DIAGRAM ........................16 11.1 P.C.B TOTAL ASSY ..........................16 12. ELECTRICAL PARTS LIST .......................... 18 GM-A6704/XEUC... -
Page 3: Service Precautions
(If the part turned, a stress will be applied to the solder and may cause a failure such as a solder crack.) Please install Insulator between Power Transistor and Heat Sink when you install Power Transistor in Heat Sink. If Insulator is not installed between Power Transistor and Heat Sink, Power Transistor might be damaged. GM-A6704/XEUC... -
Page 4: Notes On Replacing Parts
PC board, and solder it. Apply grease, GEM1057 to the back of the part. Note : Even if the unit shown in the photos and illustrations in this manual may differ from your product, the procedures described here are common. GM-A6704/XEUC... -
Page 5: Others
Item to be checked regarding audio Distortion Noise Volume too low Volume too high Volume fluctuating Sound interrupted 3.2 JIGS LIST - Grease List Name Name Grease No. Grease No. Remarks Remarks Grease GEM1057 P.C.B TOTAL ASSY Bond GYL1006 P.C.B TOTAL ASSY GM-A6704/XEUC... -
Page 6: Block Diagram
4. BLOCK DIAGRAM P.C.B TOTAL ASSY Q132, Q134, Q136 Q139, Q141 Q128 VR1-A A-Lch(+) IC2-B PRE AMP+ POWER AMP+ TEMPERATURE ISOLATOR Atuo Level Atuo ON LPF/HPF Control Sense IC4-A SW1-1 A-Lch OVER LOAD/ Q160 LOW PASS Q138 SPEAKE SHORT A-Lch(-) OUTPUT IC1-B GAIN... -
Page 7: Diagnosis
Defective the parts from Q132 to Q142. 2No sound in ARch Defective the parts from Q232 to Q242. 3No sound in BLch Defective the parts from Q332 to Q342. 4No sound in BRch Defective the parts from Q432 to Q442. GM-A6704/XEUC... -
Page 8: Connector Function Description
5.2 CONNECTOR FUNCTION DESCRIPTION Front side Rear side 6. SERVICE MODE There is not information to be shown in this chapter. GM-A6704/XEUC... -
Page 9: Disassembly
Remove the eight screws and then remove the Chassis. Chassis Fig.1 Removing the P.C.B TOTAL ASSY (Fig.2) Remove the eight screws. Remove the six screws. Remove the four screws. Remove the five screws and then remove the P.C.B TOTAL ASSY. P.C.B TOTAL ASSY Fig.2 GM-A6704/XEUC... -
Page 10: Each Setting And Adjustment
How to assemble the P.C.B TOTAL ASSY Five screws. Four screws. Six screws. Eight screws. Bonding Position GYL1006 8. EACH SETTING AND ADJUSTMENT There is not information to be shown in this chapter. GM-A6704/XEUC... -
Page 11: Exploded Views And Parts List
Screw adjacent to mark on the product are used for disassembly. For the applying amount of lubricants or glue, follow the instructions in this manual. (In the case of no amount instructions,apply as you think it appropriate.) 9.1 PACKING GM-A6704/XEUC... - Page 12 See Contrast table (2) Warranty Card See Contrast table (2) Polyethylene Bag See Contrast table (2) Polyethylene Bag 6337210499000S (2) CONTRAST TABLE GM-A6704/XEUC, GM-A6704/XEEW5, GM-A6704/XEVES and GM-A6704/XEVID are constructed the same except for the following: Mark Description GM-A6704/XEUC GM-A6704/XEEW5 GM-A6704/XEVES GM-A6704/XEVID Screw...
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Page 13: Exterior
9.2 EXTERIOR GM-A6704/XEUC... - Page 14 > Fuse (30 A) G655253320110S Sheet See Contrast table (2) Sheet See Contrast table (2) (2) CONTRAST TABLE GM-A6704/XEUC, GM-A6704/XEEW5, GM-A6704/XEVES and GM-A6704/XEVID are constructed the same except for the following: Mark Description GM-A6704/XEUC GM-A6704/XEEW5 GM-A6704/XEVES GM-A6704/XEVID Heat Sink 2127212538000S...
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Page 15: Schematic Diagram
10. SCHEMATIC DIAGRAM Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST". P.C.B TOTAL ASSY High Input Buffer / Gain Control POWER First Step Differential Absorption Second Step Q138 Bias VR1:A DC Rectification POWER... -
Page 16: Pcb Connection Diagram
NOTE FOR PCB DIAGRAMS 11. PCB CONNECTION DIAGRAM 1.The parts mounted on this PCB include all necessary parts for several destination. For further information for respective destinations, be sure to check with the schematic dia- SIDE A P.C.B TOTAL ASSY gram. - Page 17 SIDE B P.C.B TOTAL ASSY...
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Page 18: Electrical Parts List
Q 430 J5031304Y0050S Q 128 J522011100210S Q 432 J5223875Y0210S Q 130 J5031304Y0050S Q 132 J5223875Y0210S Q 433 J5201504Y0210S Q 133 J5201504Y0210S Q 434 J5223875Y0210S Q 134 J5223875Y0210S Q 435 J5201504Y0210S Q 436 J5201504Y0210S Q 135 J5201504Y0210S Q 437 J5223875Y0210S GM-A6704/XEUC... - Page 19 C450101400040S R 102 C200047260200S >FU1 G640000200010S R 103 C200039210200S >FU2 G640000200010S R 104 C200022360200S RCA1 G602405B01000S SPI1 L102250080020S R 105 C200015360200S R 106 C200010360200S RESISTORS R 114 C200033360200S R 115 C200033360200S R 116 C200033360200S C200010360200S C200027340200S R 117 C200056360200S GM-A6704/XEUC...
- Page 20 R 307 C200015360200S R 204 C200022360200S R 308 C200012460200S R 205 C200015360200S R 309 C200015460200S R 206 C200010360200S R 310 C200015460200S R 213 C200010360200S R 311 C200068360200S R 214 C200010360200S R 312 C200010560200S R 215 C200010360200S R 314 C200033360200S GM-A6704/XEUC...
- Page 21 R 404 C200022360200S R 405 C200015360200S R 406 C200010360200S D040470083080S D011103777200S R 407 C200015360200S D011475773201S R 408 C200012460200S D010472167200S R 409 C200015460200S C 10 D011102777200S R 410 C200015460200S R 411 C200068360200S C 11 D011102777200S C 12 D041222083230S R 412 C200010560200S GM-A6704/XEUC...
- Page 22 C 384 D010150167200S C 204 D010150167200S C 385 D010470167200S C 210 D011563777200S C 386 D040470083080S C 211 D011563777200S C 393 D011104777200S C 228 D01147177C201S C 394 D011104777200S C 229 D041471083060S C 401 D040100087070S C 230 D040100087070S C 402 D011102777200S GM-A6704/XEUC...
- Page 23 C 439 D011103777200S C 441 D01147177C201S C 442 D01147177C201S C 460 D011105774201S C 471 D011104577160S C 478 D010221167160S C 479 D010221167160S C 480 D040100087070S C 481 D040100087070S C 482 D010470167200S C 484 D010150167200S C 485 D010470167200S C 486 D040470083080S GM-A6704/XEUC...