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Pioneer GM-X372 manual

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Table of contents for the manual

  • Page 1

    PIONEER CORPORA TION 4-1, Meguro 1-Chome, Meguro-ku, T okyo 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.L TD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER CORPORA TION 2002 K-ZZY . NOV . [...]

  • Page 2

    2 1 234 12 34 F E D C B A GM-X372/XH/UC [ Important symbols for good services ] In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely. When you find the procedures bearing any of the symbols, be sure to fulfill them: 2. Adjustments To keep the original performances of the product, optimum ad[...]

  • Page 3

    3 5 6 7 8 F E D C B A 5 6 7 8 GM-X372/XH/UC 1. SPECIFICA TIONS CONTENTS SAFETY INFORMA TION ............................................2 1. SPECIFICA TIONS ........................................................3 2. EXPLODED VIEWS AND P ARTS LIST .......................4 2.1 P ACKING ...............................................................[...]

  • Page 4

    4 1 234 12 34 F E D C B A GM-X372/XH/UC 2. EXPLODED VIEWS AND P ARTS LIST 2.1 P ACKING http://www.xiaoyu163.com http://www.xiaoyu163.com[...]

  • Page 5

    5 5 6 7 8 F E D C B A 5 6 7 8 GM-X372/XH/UC 1 Cord HDE0044 2 Screw Assy HEA0058 3 Screw BYC40P180FZK 4 Polyethylene Bag HEG0011 5 Cover HNS0101 6 Polyethylene Bag HEG0013 7 Carton HHG0341 8 Contain Box HHL0341 9 Protector HHP0170 10 Owner’ s Manual(UC) HRD0226 Owner’ s Manual(EW) HRD0227 Owner’ s Manual(ES) HRD0228 11 Owner’ s Manual(ES) HR[...]

  • Page 6

    6 1 234 12 34 F E D C B A GM-X372/XH/UC 2.2 EXTERIOR http://www.xiaoyu163.com http://www.xiaoyu163.com[...]

  • Page 7

    7 5 6 7 8 F E D C B A 5 6 7 8 GM-X372/XH/UC 1 Screw BBZ30P060FZK 2 Screw BBZ30P110FZK 3 Chassis HNA0015 4 Panel HNB0187 5 Panel HNB0191 6 Case HNB0196 7 Spacer HNM0124 8 Heat Sink HNR0236 9 Amp Unit(UC) HWH0201 Amp Unit(EW) HWH0202 Amp Unit(ES) HWH0203 10 Screw BBZ30P050FZK 11 T erminal(CN604) CKF1059 12 Fuse(25A) HEK0025 13 Pin Jack(CN801) HKB0020[...]

  • Page 8

    8 1 234 12 34 F E D C B A GM-X372/XH/UC HCS0003 HCS0003 75 µ H EW, ES ONLY EW, ES ONLY GAIN = 1 GAIN = -12dB 75 µ H LPF SELECT LPF SELECT A AMP UNIT A-a A-a A-b A-a A-b A-b A-a Large size SCH diagram Guide page Detailed page UC ONLY UC ONLY 3. SCHEMA TIC DIAGRAM 3.1 OVERALL CONNECTION DIAGRAM(GUIDE P AGE) A http://www.xiaoyu163.com http://www.xia[...]

  • Page 9

    9 5 6 7 8 F E D C B A 5 6 7 8 GM-X372/XH/UC HCS0003 HCS0003 10k Ω (A) 10k Ω (A) > HEK0025 RM4Z-LFJ4 Decimal points for resistor and capacitor fixed values are expressed as : 2.2 2R2 0.022 R022 ← ← The > mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to u[...]

  • Page 10

    10 1 234 12 34 F E D C B A GM-X372/XH/UC 12 HCS0003 HCS0003 10k Ω (A) 10k Ω (A) GAIN = 1 GAIN = -12dB LPF SELECT LPF SELECT A AMP UNIT A-a A-b A-a http://www.xiaoyu163.com http://www.xiaoyu163.com[...]

  • Page 11

    11 5 6 7 8 F E D C B A 5 6 7 8 GM-X372/XH/UC 34 75 µ H EW, ES ONLY EW, ES ONLY 75 µ H UC ONLY UC ONLY A-a A-b A-a http://www.xiaoyu163.com http://www.xiaoyu163.com[...]

  • Page 12

    12 1 234 12 34 F E D C B A GM-X372/XH/UC 12 HCS0003 HCS0003 10k Ω (A) 10k Ω (A) Decimal points for resistor and capacitor fixed values are expressed as : 2.2 2R2 0.022 R022 ← ← 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 d[...]

  • Page 13

    13 5 6 7 8 F E D C B A 5 6 7 8 GM-X372/XH/UC 34 > HEK0025 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. EW, ES ONLY EW, ES ONLY UC EW, ES R608 3R3K 5R1K R609 3R3K 5R1K *** *** *** 50 µ H FU602 BFC RM4Z-LFJ4 UC ONLY [...]

  • Page 14

    14 1 234 12 34 F E D C B A GM-X372/XH/UC 4. PCB CONNECTION DIAGRAM 4.1 AMP UNIT Capacitor Connector P.C.Board Chip Part A A AMP UNIT SIDE B SIDE A NOTE FOR PCB DIAGRAMS 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- gr[...]

  • Page 15

    15 5 6 7 8 F E D C B A 5 6 7 8 GM-X372/XH/UC A SIDE A 23 1 21 2 INPUT GAIN LPF SELECT BFC SPEAKER OUTPUT POWER SUPPLY A http://www.xiaoyu163.com http://www.xiaoyu163.com[...]

  • Page 16

    16 1 234 12 34 F E D C B A GM-X372/XH/UC A A AMP UNIT 1 1 A http://www.xiaoyu163.com http://www.xiaoyu163.com[...]

  • Page 17

    17 5 6 7 8 F E D C B A 5 6 7 8 GM-X372/XH/UC A SIDE B 1 1 A http://www.xiaoyu163.com http://www.xiaoyu163.com[...]

  • Page 18

    18 1 234 12 34 F E D C B A GM-X372/XH/UC 5. ELECTRICAL P ARTS LIST NOTES: - 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.===Pa[...]

  • Page 19

    19 5 6 7 8 F E D C B A 5 6 7 8 GM-X372/XH/UC R 623 (EW, ES) RD1/4PU105J R 625 RD1/4PU332J R 626 RD1/4PU332J R 627 RS1/16S472J R 628 RS1/16S472J R 631 RD1/4PU272J R 632 RS1/16S472J R 635 RS1/2PMF121J R 636 RS1/2PMF121J R 637 RS1/2PMF121J R 638 RS1/2PMF121J R 641 RD1/4PU472J R 642 RD1/4PU472J R 643 RS1/2PMF220J R 645 RD1/4PU472J R 646 RD1/4PU472J R 6[...]

  • Page 20

    20 1 234 12 34 F E D C B A GM-X372/XH/UC 7. GENERAL INFORMA TION 7.1 DIAGNOSIS 7.1.1 DISASSEMBL Y 1 Fig.1 - Removing the Amp Unit (Fig.1) Remove the eight screws. 1. Remove the eight screws and then remove the Case. - Removing the Case (not shown) 3 4 4 1 Amp Unit 2 Remove the screw and then remove the two Panels. 3 Remove the four screws and then [...]

  • Page 21

    21 5 6 7 8 F E D C B A 5 6 7 8 GM-X372/XH/UC 7.1.2 CONNECTOR FUNCTION DESCRIPTION BRIDGEABLE 2-CH POWER AMPLIFIER BRIDGED - GM-X372/XH/UC 6.5V 0.2V 25 http://www.xiaoyu163.com http://www.xiaoyu163.com[...]

  • Page 22

    22 1 234 12 34 F E D C B A GM-X372/XH/UC *TDA7294V IC's marked by * are MOS type. Be careful in handling them because they are very liable to be damaged by electrostatic induction. MUTE STBY THERMAL SHUTDOWN S/C PROTECTION 2 3 4 10 9 18 1 5 6 14 13 7 1 3 4 7 9 11 13 15 2 5 6 8 10 12 14 ST AND-BY GND INVER TING INPUT NON INVER TING INPUT SUR NC[...]

  • Page 23

    23 5 6 7 8 F E D C B A 5 6 7 8 GM-X372/XH/UC 8. OPERA TIONS LPF (Low-Pass Filter) Select Switch Set the LPF select switch as follows according to the type of speaker that is connected to the speaker output connector and the car stereo system: LPF Select Audio frequency range Speaker Remarks Switch to be output Type LPF (left) Very Low Frequency ran[...]

  • Page 24

    24 1 234 12 34 F E D C B A GM-X372/XH/UC Connection Diagram Fuse (30 A) Grommet Special red battery wire [RD-223] (sold separately) After making all other connections at the amplifier , connect the battery wire terminal of the amplifier to the positive (+) terminal of the battery . Ground wire (black) [RD-223] (sold separately) Connect to metal bod[...]