Pioneer GM-X422 Service Manual

Pioneer GM-X422 Manual

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  • Pioneer GM-X422 | Service Manual - Page 1
    Service Manual ORDER NO. CRT2167 BRIDGEABLE POWER AMPLIFIER GM-X422 X1R/UC, ES, EW GM-X322 X1R/UC CONTENTS 1. SAFETY INFORMATION 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
  • Pioneer GM-X422 | Service Manual - Page 2
    GM-X422, GM-X322 2. EXPLODED VIEWS AND PARTS LIST 2.1. PACKING Fig. 1 NOTE: - Parts marked BYC40P180FZK Mark No. Description 6 Polyethylene Bag 7 Terminal(x8) 8 Cord Assy 9-1 Owner's Manual 9-2 Owner's Manual Part No. HEG0011 See Contrast table (2) See Contrast table (2) See Contrast table (2)
  • Pioneer GM-X422 | Service Manual - Page 3
    Not used Not used Not used HRY1087 Not used Not used Not used Not used Not used ARY1048 - Owner's Manual Model GM-X422/X1R/UC GM-X422/X1R/ES GM-X422/X1R/EW GM-X322/X1R/UC Part No. HRD0048 HRD0045 HRD0049 HRD0047 HRD0046 Language English, French English, Spanish Arabic, Portuguese(B) English
  • Pioneer GM-X422 | Service Manual - Page 4
    GM-X422, GM-X322 2.2. EXTERIOR Fig. 2 4
  • Pioneer GM-X422 | Service Manual - Page 5
    /UC Not used Not used Not used HNB0055 HNB0050 Part No. GM-X422 X1R/ES X1R/EW HDE4453 HDE4453 HEK0015 HEK0015 HDE4455 HDE4455 HNB0073 HNB0056 HNB0072 HNB0072 GM-X322 X1R/UC Not used Not used Not used HNB0058 HNB0051 14 Heat Sink 16 Amp Unit 26 Pin Jack(CN851) 27 Pin Jack(CN901) 28
  • Pioneer GM-X422 | Service Manual - Page 6
    Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS A LIST". A MOTHER PCB SPEAKER INPUT LEVEL UC and ES models only 10/50 10/50 L C851, 852 UC, ES : 100P EW : 470P LPF / HPF R469, 470 : GM-X322 only VR452 : GM-X422 only BASS BOOST 4R7
  • Pioneer GM-X422 | Service Manual - Page 7
    5 6 7 8 GM-X422, GM-X322 A MUTE BUFFER AMP PRE DRIVER POWER AMP OVER CURRENT DETECTOR B 22/50 OVER CURRENT DETECTOR SWITCHING CONTROL ES and EW models only OVER VOLTAGE PROTECTOR POWER CONTROL / MUTE 5 6 C ES and EW models
  • Pioneer GM-X422 | Service Manual - Page 8
    1 2 3 4 GM-X422, GM-X322 4. PCB CONNECTION DIAGRAM A NOTE FOR PCB DIAGRAMS 1. The parts mounted on this PCB include all necessary parts for several destination. For further information for
  • Pioneer GM-X422 | Service Manual - Page 9
    5 6 OUT IN 7 8 GM-X422, GM-X322 A SIDE A B B ISOLATOR PCB C D Fig. 4 AB 9 5 6 7 8
  • Pioneer GM-X422 | Service Manual - Page 10
    1 2 3 4 GM-X422, GM-X322 A A MOTHER PCB B B ISOLATOR PCB C D A B 10 1 2 3 4
  • Pioneer GM-X422 | Service Manual - Page 11
    5 6 7 8 GM-X422, GM-X322 SIDE B A B C D Fig. 5 A 11 5 6 7 8
  • Pioneer GM-X422 | Service Manual - Page 12
    RS1/__S___J Chip Capacitor (except for CQS.....) CKS....., CCS....., CSZS..... =====Circuit Symbol and No.===Part Name GM-X422/X1R/UC AMP UNIT Consists of MOTHER PCB ISOLATOR PCB A B Unit Number : HWH0059 Unit Name : Amp Unit MISCELLANEOUS IC 121 IC IC 123 IC IC 451 IC IC 551 IC IC 651 IC IC
  • Pioneer GM-X422 | Service Manual - Page 13
    GM-X422, GM-X322 =====Circuit Symbol and No.===Part Name R 455 R 456 R 457 R 458 R 459 R 460 R 461 R 462 R 463 R 464 R 465 R 466 R 501 R 502 R 551 R 552 R 555 R 556 R
  • Pioneer GM-X422 | Service Manual - Page 14
    CQMA102J50 CQMA102J50 CFTNA224J50 CQMA102J50 CKSYB103K50 GM-X422/X1R/UC, GM-X422/X1R/ES, GM-X422/X1R/EW and GM-X322/X1R/UC are constructed the same except for the following: - Amp Unit Part No. Symbol and Description GM-X422/X1R/UC GM-X422/X1R/ES GM-X422/X1R/EW GM-X322/X1R/UC S901 Switch
  • Pioneer GM-X422 | Service Manual - Page 15
    7. GENERAL INFORMATION 7.1 DISASSEMBLY A GM-X422, GM-X322 - Removing the Case and Panel 1. Remove six screws A, and then remove case. 2. Remove panel. A Panel Case Fig. 6 B C Amp Unit Sub Heat Sink C B - Removing the Amp Unit Some silicone glue has been applied between the Heat sink and the
  • Pioneer GM-X422 | Service Manual - Page 16
    GM-X422, GM-X322 8. OPERATIONS AND SPECIFICATIONS - SETTING THE UNIT 16 Gain Control If the sound is too low, even when the volume of the car stereo used along with this power amplifier is turned up, turn gain control on the back of the power amplifier this amplifier is connected to a Pioneer car
  • Pioneer GM-X422 | Service Manual - Page 17
    pin plugs (sold separately). Amplifier with RCA input jacks Car stereo with RCA output jacks (2) GM-X422/X1R/ES, GM-X422/X1R/EW Grommet Fuse (30 GM-X422, GM-X322 17 RCA output jack Fuse (20 A) Speaker terminal See the "Connecting the Speaker wires" section for speaker connection instructions
  • Pioneer GM-X422 | Service Manual - Page 18
    GM-X422, GM-X322 18 (3) GM-X322/X1R/UC Grommet Fuse (30 A) Fuse (20 A) Speaker terminal See the "Connecting the Speaker wires" section for speaker connection instructions. Special red battery wire [RD-222] (sold separately). After making all other connections at the amplifier, connect the
  • Pioneer GM-X422 | Service Manual - Page 19
    power amplifier is basically a twochannel/one-channel bridgeable amplifier, but amplifier. • When the inductors and capacitors are connected to the speaker wires, secure or solder them so they cannot be pulled loose. Tape or use heat shrink on the joints to prevent short circuits. (2) GM-X422
  • Pioneer GM-X422 | Service Manual - Page 20
    dB/oct High pass filter ...Cut off frequency: 80 Hz Cut off slope: -12 dB/oct Bass boost (GM-X422) ...Frequency: 40 - 120 Hz Gain: 0 - 12 dB Bass boost (GM-X322) ...Frequency: 60 Hz Gain: 0 - 12 dB Input level / impedance ...RCA: 0.4 - 4 V working out total current drawn by multiple power amplifiers.
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ORDER NO.
CRT2167
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BRIDGEABLE POWER AMPLIFIER
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.
501 Orchard Road, #10-00, Wheelock Place, Singapore 238880
C
PIONEER ELECTRONIC CORPORATION 1998
K-ZEU. JAN. 1998 Printed in Japan
GM-X422
X1R/UC, ES, EW
CONTENTS
1. SAFETY INFORMATION
............................................
1
2. EXPLODED VIEWS AND PARTS LIST
.......................
2
3. SCHEMATIC DIAGRAM
.............................................
6
4. PCB CONNECTION DIAGRAM
..................................
8
5. ELECTRICAL PARTS LIST
........................................
12
6. ADJUSTMENT
..........................................................
14
7. GENERAL INFORMATION
.......................................
15
7.1 DISASSEMBLY
...................................................
15
8. OPERATIONS AND SPECIFICATIONS
.....................
16
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.
W
ARNING
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.
GM-X322
X1R/UC