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S
ervice
M anua l
BRIDGEABLE POWER AMPLIFIER
GM-222
CONTENTS
1. SAFETY INFORMATION ............................................1
2. EXPLODED VIEWS AND PARTS LIST .......................2
3. SCHEMATIC DIAGRAM .............................................6
4. PCB CONNECTION DIAGRAM ..................................8
1. SAFETY INFORMATION
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.
If you are not qualified to perform the repair of this product properly and safely, you should mot risk trying to do so
and refer the repair to a qualified service technician.
UC model
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.
If you are not qualified to perform the repair of this product properly and safely; you should not risk trying to do so
and refer the repair to a qualified service technician.
WARNING
Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive toxi-
cant which may cause birth defects or other reproductive harm (California Health & Safety Code, Section 25249.5).
When servicing or handling circuit boards and other components which contain lead in solder, avoid unprotected skin
contact with the solder. Also, when soldering do not inhale any smoke or fumes produced.
PIONEER ELECTRONIC CORPORATION
PIONEER ELECTRONICS SERVICE INC.
PIONEER ELECTRONIC [EUROPE] N.V.
PIONEER ELECTRONICS ASIACENTRE, PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880
C PIONEER ELECTRONIC CORPORATION 1998
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
X1R/UC, ES, EW
5. ELECTRICAL PARTS LIST ........................................12
6. ADJUSTMENT..........................................................14
7. GENERAL INFORMATION .......................................15
7.1 DISASSEMBLY ...................................................15
8. OPERATIONS AND SPECIFICATIONS.....................16
K-ZEU. JAN. 1998 Printed in Japan
ORDER NO.
CRT2166
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Table of Contents
Related Manuals for Pioneer GM-222
Summary of Contents for Pioneer GM-222
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Page 1: Table Of Contents
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. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880 C PIONEER ELECTRONIC CORPORATION 1998 K-ZEU. JAN. 1998 Printed in Japan... -
Page 2: Exploded Views And Parts List
GM-222 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING Fig. 1 NOTE: Parts marked by “*”are generally unavailable because they are not in our Master Spare Parts List. Screws adjacent to ∇ mark on the product are used for disassembly. - Page 3 GM-222 (2) CONTRAST TABLE GM-222/X1R/UC, GM-222/X1R/ES and GM-222/X1R/EW are constructed the same except for the following: Part No. Mark No. Symbol and Description GM-222/X1R/UC GM-222/X1R/ES GM-222/X1R/EW Contain Box HHL0138 HHL0139 HHL0140 Carton HHG0138 HHG0139 HHG0140 Terminal HKC0003(x8) HKC0003(x4) HKC0003(x4) Cord Assy...
- Page 4 GM-222 2.2 EXTERIOR Fig. 2...
- Page 5 HDE4610 23 Fuse(20A) HEK0020 24 Heat Sink(Sub Heat Sink) HNR0053 25 Heat Sink(Sub Heat Sink) HNR0054 (2) CONTRAST TABLE GM-222/X1R/UC, GM-222/X1R/ES and GM-222/X1R/EW are constructed the same except for the following: Part No. Mark No. Symbol and Description GM-222/X1R/UC GM-222/X1R/ES...
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Page 6: Schematic Diagram
GM-222 3. SCHEMATIC DIAGRAM Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST". MOTHER PCB SPEAKER INPUT LEVEL UC model only 10/50 10/50 C851, 852 UC : 100P ES, EW : 470P... - Page 7 GM-222 PRE DRIVER POWER AMP OVER CURRENT DETECTOR BUFFER AMP MUTE SWITCHING CONTROL ES and EW models only ES and EW models only HEK0015 15A GROUND WIRE BATTERY WIRE SYSTEM REMOTE OVER VOLTAGE POWER CONTROL / MUTE CONTROL PROTECTOR Fig. 3...
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Page 8: Pcb Connection Diagram
GM-222 4. PCB CONNECTION DIAGRAM NOTE FOR PCB DIAGRAMS 1. The parts mounted on this PCB include all necessary parts for several destination. MOTHER PCB For further information for respective destinations, be sure CORD ASSY to check with the schematic dia- gram. - Page 9 GM-222 SIDE A ISOLATOR PCB Fig. 4...
- Page 10 GM-222 MOTHER PCB ISOLATOR PCB...
- Page 11 GM-222 SIDE B Fig. 5...
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Page 12: Electrical Parts List
GM-222 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..=====Circuit Symbol and No.===Part Name Part No. - Page 13 GM-222 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ --------------------------------------------- ------------------------- ------ --------------------------------------------- ------------------------- RD1/4PU561J RN1/10SE1002D RD1/4PU473J RN1/10SE1002D RD1/4PU473J RN1/10SE1002D RD1/4PU473J RS1/10S104J RD1/4PU473J RS1/10S104J RD1/4PU161J RD1/4PU473J RD1/4PU161J RD1/4PU473J RD1/4PU161J RS1/2PMF561J RD1/4PU161J RS1/2PMF220J RD1/4PU562J...
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Page 14: Adjustment
CEAS100M50 CCSQCH470J50 CQMA102J50 CCSQCH470J50 CQMA102J50 CCSQCH470J50 CFTNA224J50 CEAS100M50 CQMA102J50 CEAS100M50 CKSYB103K50 GM-222/X1R/UC, GM-222/X1R/ES and GM-222/X1R/EW are constructed the same except for the following: - Amp Unit Part No. GM-222/X1R/ES Symbol and Description GM-222/X1R/UC GM-222/X1R/EW S901 Switch Not used HSH-156 R869,872... -
Page 15: General Information
GM-222 7. GENERAL INFORMATION 7.1 DISASSEMBLY - Removing the Case and Panel 1. Remove six screws A, and then remove case. 2. Remove panel. Case Panel Fig. 6 - Removing the Amp Unit Some silicone glue has been applied between the Heat Sink and the Sub Heat Sink. -
Page 16: Operations And Specifications
GM-222 8. OPERATIONS AND SPECIFICATIONS - SETTING THE UNIT... - Page 17 GM-222...
- Page 18 GM-222...
- Page 19 GM-222...