Pioneer GM-X574 Service Manual
Pioneer GM-X574 Service Manual

Pioneer GM-X574 Service Manual

Bridgeable power amplifier
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3 7 63 1515 0
Service
Manual
BRIDGEABLE POWER AMPLIFIER
GM-X574
TE
L 13942296513
www
For details, refer to "Important symbols for good services".
.
PIONEER CORPORATION
PIONEER ELECTRONICS (USA) INC.
PIONEER EUROPE NV
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2002
http://www.xiaoyu163.com
x
ao
u163
y
i
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
http://www.xiaoyu163.com
2 9
8
GM-X574/XR/UC
XR/UC,XR/EW,XR/ES
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
ORDER NO.
CRT2992
0 5
8
2 9
9 4
2 8
m
K-ZZD. DEC. 2002 Printed in Japan
9 9
9 9

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Table of Contents
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Summary of Contents for Pioneer GM-X574

  • Page 1: Service Manual

    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. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER CORPORATION 2002 K-ZZD. DEC. 2002 Printed in Japan http://www.xiaoyu163.com...
  • Page 2: Safety Information

    3 7 63 1515 0 SAFETY INFORMATION - GM-X574/XR/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.
  • Page 3: Table Of Contents

    *Average current drawn • The average current drawn is nearly the maximum current drawn by this unit when an audio signal is input. Use this value when working out total current drawn by multiple power amplifiers. u163 GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 4: Exploded Views And Parts List

    3 7 63 1515 0 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING L 13942296513 u163 GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 5: Http://Www.xiaoyu163.Com 6 7

    HEG0022 8 Carton HHG0353 9 Contain Box HHL0353 10 Protector HHP0168 (2) CONTRAST TABLE GM-X574/XR/UC, GM-X574/XR/EW and GM-X574/XR/ES are constructed the same except for the follow- L 13942296513 ing: Part No. Mark No. Symbol and Description GM-X574/XR/UC GM-X574/XR/EW GM-X574/XR/ES 1-1 Card...
  • Page 6: Exterior

    3 7 63 1515 0 2.2 EXTERIOR L 13942296513 u163 GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 7 34 Fuse(FU602,603)(25A) HEK0025 35 Screw(M4x9) HBA0030 36 Screw BBZ30P060FZK 37 Cushion HNM6623 (2) CONTRAST TABLE GM-X574/XR/UC, GM-X574/XR/EW and GM-X574/XR/ES are constructed the same except for the follow- ing: Part No. Mark No. Description GM-X574/XR/UC GM-X574/XR/EW GM-X574/XR/ES 10 Amp Unit HWH0211...
  • Page 8: Schematic Diagram

    ← No differentiation is made between chip capacitors and 0.022 R022 discrete capacitors. Detailed page B SPEAKER INPUT 2CH/4CH L 13942296513 A SPEAKER INPUT -29.5V +29.5V DC/DC CONVERTER EW,ES EW,ES BEADS CORE 100/16 BEADS EW,ES CORE u163 EW,ES GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 9 3 7 63 1515 0 POWER AMP POWER AMP B LPF/HPF B GAIN B GAIN +15.6V REGULATOR POWER AMP POWER AMP L 13942296513 A LPF/HPF -15.6V REGULATOR A GAIN A GAIN EW,ES FU603 > HEK0025 EW,ES 4R7K EW,ES FU602 > HEK0025 u163 GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 10 3 7 63 1515 0 L 13942296513 u163 GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 11 3 7 63 1515 0 L 13942296513 u163 GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 12 3 7 63 1515 0 L 13942296513 u163 GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 13 3 7 63 1515 0 L 13942296513 u163 GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 14: Pcb Connection Diagram

    1.The parts mounted on this PCB Capacitor Connector include all necessary parts for several destination. SIDE A For further information for respective destinations, be sure AMP UNIT SIDE B to check with the schematic dia- P.C.Board Chip Part gram. L 13942296513 u163 GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 15 3 7 63 1515 0 SIDE A 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 FU603 FU602 L 13942296513 u163 GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 16 3 7 63 1515 0 AMP UNIT L 13942296513 u163 GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 17 3 7 63 1515 0 SIDE B L 13942296513 u163 GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 18: Electrical Parts List

    Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Unit Number : HWH0211(GM-X574/XR/UC) LED(POWER) L934BR235SRCF Choke Coil 34µH (EW,ES model) HTH0006 Unit Number : HWH0205(GM-X574/XR/EW) Choke Coil 75µH (EW,ES model) HTH0010 Unit Number : HWH0206(GM-X574/XR/ES) Choke Coil 75µH (EW,ES model)
  • Page 19 RS1/2PMF121J CEAT100M16 RS1/2PMF121J CEAT220M50 RS1/2PMF121J CEAT220M50 RD1/4PU472J CEAT101M50 RD1/4PU472J CEAT101M50 RS1/2PMF220J CEAT220M50 RD1/4PU472J CEAT220M50 RD1/4PU472J CFTNA104J50 RS1/2PMF100J CFTNA104J50 RS1/2PMF100J CFTNA104J50 RS1/2PMF220J CFTNA104J50 RD1/4PU223J CFTNA333J50 RD1/4PU223J CFTNA333J50 RD1/4PU223J u163 CQMA102J50 RS1/2PMF220J CQMA102J50 RS1/2PMF220J CEAT220M50 RS1/16S471J CEAT220M50 RS1/16S471J CEAT101M50 RS1/16S223J GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 20 CEAT470M16 CFTNA473J50 CFTNA473J50 CQMA103J50 3300µF/35V HCH0006 3300µF/35V HCH0006 3300µF/35V HCH0006 3300µF/35V HCH0006 CQMA103J50 CCSRCH471J50 CCSRCH471J50 CEAT100M16 CEAT100M16 CQMA472J50 CQMA472J50 CCSRCH470J50 CCSRCH470J50 CCSRCH470J50 CCSRCH470J50 CFTNA103J50 CFTNA103J50 CEAT100M16 CEAT100M16 CEAT100M16 CEAT100M16 CCSRCH471J50 CCSRCH471J50 CEAT100M16 u163 CEAT100M16 CQMA472J50 CQMA472J50 CCSRCH470J50 CCSRCH470J50 GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 21: Adjustment

    Remove the two screws and then remove the two Panels. Remove the eight screws and then remove the two Heat Sinks. L 13942296513 Remove the five screws and then remove the Amp Unit. u163 Heat Sink Heat Sink Amp Unit Panel Fig.1 GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 22: Connector Function Description

    3 7 63 1515 0 7.1.2 CONNECTOR FUNCTION DESCRIPTION FUSE 25A FUSE 25A L 13942296513 u163 GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 23 3 7 63 1515 0 7.2 IC TDA7294V MUTE THERMAL STBY SHUTDOWN PROTECTION L 13942296513 u163 GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 24: Operations

    8. OPERATIONS 3 7 63 1515 0 L 13942296513 u163 GM-X574/XR/UC http://www.xiaoyu163.com...
  • Page 25: Connection Diagram

    Fuse (25 A) × 2 terminal. If the car stereo does not have a system remote control ter- minal, connect the male terminal to the power terminal through the u163 ignition switch. GM-X574/XR/UC http://www.xiaoyu163.com...

Table of Contents