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Pioneer GM-7200M/XU/US Service Manual

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MONO POWER AMPLIFIER
GM-7200M
GM-7200M
GM-7200M
GM-7200M
For details, refer to "Important Check Points for Good Servicing".
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. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2005
/XU/EW
/XU/ES
/XU/CN
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
GM-7200M/XU/UC
ORDER NO.
CRT3521
/XU/UC
K-ZZA. OCT. 2005 Printed in Japan

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  Summary of Contents for Pioneer GM-7200M/XU/US

  • Page 1 PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, 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. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2005 K-ZZA.
  • Page 2: Safety Information

    SAFETY INFORMATION 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.
  • Page 3 [Important Check Points for Good Servicing] In this manual, procedures that must be performed during repairs are marked with the below symbol. Please be sure to confirm and follow these procedures. 1. Product safety Please conform to product regulations (such as safety and radiation regulations), and maintain a safe servicing environment by following the safety instructions described in this manual.
  • Page 4: Table Of Contents

    CONTENTS SAFETY INFORMATION ............................. 2 1. SPECIFICATIONS ............................5 2. EXPLODED VIEWS AND PARTS LIST ......................8 2.1 PACKING ..............................8 2.2 EXTERIOR............................... 10 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..................12 3.1 SCHEMATIC DIAGRAM(GUIDE PAGE) ....................12 3.2 REMOTE CONTROL UNIT(EW)......................18 4.
  • Page 5: Specifications

    1. SPECIFICATIONS GM-7200M/XU/UC...
  • Page 6 GM-7200M/XU/UC...
  • Page 7 GM-7200M/XU/UC...
  • Page 8: Exploded Views And Parts List

    2. EXPLODED VIEWS AND PARTS LIST OTES : • Parts marked by " * " are generally unavailable because they are not in our Master Spare Parts List. • The > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
  • Page 9 PACKING SECTION PARTS LIST Mark Description GM-7200M/XU/UC GM-7200M/XU/EW GM-7200M/XU/ES GM-7200M/XU/CN Cord Assy CDE7736 CDE7736 CDE7736 CDE7736 Cord Assy Not used CDE7804 Not used Not used Screw Assy CEA5330 CEA5328 CEA5330 CEA5330 Screw Not used BYC30P100FTB Not used Not used Screw BYC40P180FTB BYC40P180FTB BYC40P180FTB...
  • Page 10: Exterior

    2.2 EXTERIOR 21 21 GM-7200M/XU/UC...
  • Page 11 (1) EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. Buss Bar CND2467 Screw(M3x8) CBA2011 Buss Bar CND2468 Screw(M3x12) CBA2012 Buss Bar CND2469 Screw BSZ30P050FTB Badge CAH1946 Buss Bar CND2471 ••••• Buss Bar CND2472 Buss Bar CND2729 •••••...
  • Page 12: Block Diagram And Schematic Diagram

    3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 SCHEMATIC DIAGRAM(GUIDE PAGE) Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST". Large size SCH diagram NOTE : Symbol indicates a resistor. Decimal points for resistor The >...
  • Page 13 omponent parts indicates ctor of the part. sure to use parts of AMP UNIT 0dB or +12dB or +6dB ( or +9dB) -2.6dBs -2.6dBs +38dBs BASS BOOST > > 50µH GM-7200M/XU/UC...
  • Page 14 CN1351 GM-7200M/XU/UC...
  • Page 15 GM-7200M/XU/UC...
  • Page 16 GM-7200M/XU/UC...
  • Page 17 GM-7200M/XU/UC...
  • Page 18: Remote Control Unit(Ew)

    3.2 REMOTE CONTROL UNIT(EW) REMOTE CONTROL UNIT CN701 GM-7200M/XU/UC...
  • Page 19 GM-7200M/XU/UC...
  • Page 20: Pcb Connection Diagram

    4. PCB CONNECTION DIAGRAM 4.1 AMP UNIT NOTE FOR PCB DIAGRAMS AMP UNIT 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- gram.
  • Page 21 SIDE A BASS BOOST BASS BOOST GAIN GAIN CN1351 LPF/OFF LPF/OFF RCA IN RCA IN SPEAKER LEBEL INPUT 3 2 1 GM-7200M/XU/UC...
  • Page 22 AMP UNIT GM-7200M/XU/UC...
  • Page 23 SIDE B GM-7200M/XU/UC...
  • Page 24: Remote Control Unit(Ew)

    4.2 REMOTE CONTROL UNIT(EW) SIDE B REMOTE CONTROL UNIT SIDE A REMOTE CONTROL UNIT CN701 12dB BASS BOOST GM-7200M/XU/UC...
  • Page 25: Electrical Parts List

    5. ELECTRICAL PARTS LIST NOTE: Parts whose parts numbers are omitted are subject to being not supplied. • The part numbers shown below indicate chip components. • Chip Resistor RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS..) CKS.., CCS.., CSZS..The > mark found on some component parts indicates the importance of the safety factor of the part. •...
  • Page 26 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. Q 992 (B,144,82) Transistor DTC114TU R 153 (B,294,115) RS1/16S272J R 161 (B,282,121) RS1/16S153J D 161 (A,306,66) Diode ERA15-02VH D 162 (A,291,86) Diode ERA15-02VH R 173 (B,286,176) RS1/16S101J D 553 (B,211,74) Diode MA111 R 175...
  • Page 27 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. R 583 (B,219,66) RS1/16S100J R 936 (A,111,38) RD1/2PM121J R 584 (B,217,150) RS1/16S100J R 941 (A,72,65) RD1/2PM220J R 585 (A,281,31) RD1/2PM100J R 942 (A,124,54) RD1/2PM220J R 586 (A,245,202) RD1/2PM100J R 951 (A,139,197) RD1/4PU103J...
  • Page 28 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. C 564 (B,244,158) CCSRCH221J50 C 565 (A,230,65) CFTNA223J50 Unit Number : CWH1285(EW) C 566 (A,218,157) CFTNA223J50 C 567 (A,38,201) CFTNA333J50 Unit Name : Amp Unit C 568 (A,26,155) CFTNA333J50 C 569 (A,31,203)
  • Page 29 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. Q 933 (B,143,47) Transistor 2SB1188 Q 934 (B,145,35) Transistor 2SB1188 R 118 (B,270,79) RS1/16S102J R 121 (B,296,43) RS1/16S1002D Q 941 (A,91,31) Transistor FKV550N R 122 (B,273,70) RS1/16S1002D Q 942 (A,136,31) Transistor FKV550N R 123...
  • Page 30 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. R 573 (B,231,40) RS1/16S560J R 703 (B,297,127) RS1/16S102J R 574 (B,219,194) RS1/16S560J R 711 (B,292,131) RS1/16S473J R 575 (A,233,70) RD1/4PU101J R 713 (B,297,139) RS1/16S473J R 576 (A,234,154) RD1/4PU101J R 715 (B,266,144) RS1/16S473J...
  • Page 31 Circuit Symbol and No. Part No. Circuit Symbol and No. Part No. C 125 (A,286,63) CFTNA103J50 C 952 (A,123,199) CQHA102J2A C 126 (A,283,76) CFTNA103J50 C 953 (A,157,194) CEAT470M16 C 127 (B,292,43) CCSRCH470J50 C 954 (A,128,191) CEAT470M16 C 128 (B,273,72) CCSRCH470J50 C 955 (A,134,191) CEAT470M25...
  • Page 32: Adjustment

    6. ADJUSTMENT There is no information to be shown in this chapter. GM-7200M/XU/UC...
  • Page 33: General Information

    7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 DISASSEMBLY Removing the Case (Fig.1) Remove the six screws and then remove the Case. Case Fig.1 Removing the Amp Unit (Fig.2) Remove the fifteen screws and then remove the Amp Unit. Amp Unit Fig.2 GM-7200M/XU/UC...
  • Page 34: Connector Function Description

    7.1.2 CONNECTOR FUNCTION DESCRIPTION GM-7200M/XU/UC , GM-7200M/XU/ES , GM-7200M/XU/CN GM-7200M/XU/EW GM-7200M/XU/UC , GM-7200M/XU/EW , GM-7200M/XU/ES , GM-7200M/XU/CN GM-7200M/XU/UC...
  • Page 35 7.2 IC *MAX309ESE NO1A NO2A NO3A NO4A NO1B NO1B NO1A NO2B NO3B NO4B NO2B CMOS DECODE LOGIC NO2A NO3B NO3A N04B NO4A COMA COMB IC's marked by * are MOS type. Be careful in handling them because they are very liable to be damaged by electrostatic induction.
  • Page 36: Operations

    8. OPERATIONS GM-7200M/XU/UC...
  • Page 37 GM-7200M/XU/UC...
  • Page 38 GM-7200M/XU/UC...
  • Page 39 GM-7200M/XU/UC...
  • Page 40 GM-7200M/XU/UC...

This manual is also suitable for:

Gm-7200m/xu/cnGm-7200m/xu/ewGm-7200m/xu/esGm-7200m