Pioneer GMX-324, GMX-424 Service manual

ORDER NO.

CRT2168

vic

BRIDGEABLE FOUR-CHANNEL 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-X424 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..........................................................16

7. GENERAL INFORMATION .......................................16

7.1 DISASSEMBLY ...................................................16

8. OPERATIONS AND SPECIFICATIONS.....................17

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.

ARNING

Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive toxicant 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-X324 X1R/UC

GM-X424, GM-X324

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

1 Contain Box See Contrast table (2) 2 Carton See Contrast table (2) 3 Protector HHP0020 4 Polyethylene Bag HEG0009 5 Screw(x4) BYC40P180FZK

6 Polyethylene Bag HEG0011 7 Terminal(x8)

See Contrast table (2)

8 Cord Assy See Contrast table (2) 9-1 Owner’s Manual See Contrast table (2) 9-2 Owner’s Manual See Contrast table (2)

* 9-3 Warranty Card See Contrast table (2) * 9-4 Caution Card See Contrast table (2) * 9-5 Card See Contrast table (2)

(1) PACKING SECTION PARTS LIST

Mark No. Description Part No. Mark No. Description Part No.

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.

Fig. 1

GM-X424, GM-X324

(2) CONTRAST TABLE

GM-X424/X1R/UC, GM-X424/X1R/ES, GM-X424/X1R/EW and GM-X324/X1R/UC are constructed the same except for the following:

Part No.

GM-X424 GM-X324

Mark No. Symbol and Description X1R/UC X1R/ES X1R/EW X1R/UC

1 Contain Box HHL0142 HHL0143 HHL0144 HHL0141 2 Carton HHG0142 HHG0143 HHG0144 HHG0141 7 Terminal(x8) HKC0001 HKC0003 HKC0003 HKC0003 8 Cord Assy Not used HDE4419 HDE4419 Not used

9-1 Owner’s Manual HRD0052 HRD0050 HRD0055 HRD0054

9-2 Owner’s Manual Not used HRD0053 Not used Not used * 9-3 Warranty Card HRY1070 Not used HRY1087 Not used * 9-4 Caution Card HRP0006 Not used Not used Not used * 9-5 Card Not used Not used Not used ARY1048

- Owner's Manual

Model Part No. Language

GM-X424/X1R/UC HRD0052 English, French

GM-X424/X1R/ES HRD0050 English, Spanish

HRD0053 Arabic, Portuguese(B)

GM-X424/X1R/EW HRD0055 English, French, German, Dutch, Spanish, Italian

GM-X324/X1R/UC HRD0054 English, French

GM-X424, GM-X324

2.2 EXTERIOR

Fig. 2

GM-X424, GM-X324

1 Screw BSZ30P050FZK 2 Screw(M3x6) CBA1320 3 Screw(M3x12) CBA1323 4 Screw CBA1382 5 Screw HBA0006

6 Panel

See Contrast table (2)

7 Case HNB0015 8 Panel

See Contrast table (2)

9 Heat Sink See Contrast table (2)

10 Spacer HNV3975

11 Amp Unit

See Contrast table (2)

12 Screw BMS30P060FZK

13 Screw BMS30P080FMC

14 Connector(CN854) HDE5212

15 Plug(CN863) CKS1618

16 Clamper HNV0006

17 Cord(CN901) HDC1030

18 Cord(CN602) HDE4610

19 Bass Bar HNC0014

20 Holder HNC5538

21 Holder HNC5540

22 Holder HNC5541

23 Holder HNC5841

24 Heat Sink(Sub Heat Sink) HNR0050

25 Heat Sink(Sub Heat Sink) HNR0052

26 Clamper HNV0003 27 Holder HNV0005 28 Pin Jack(CN852)

See Contrast table (2)

29 Pin Jack(CN851) See Contrast table (2) 30 Terminal(CN601) See Contrast table (2)

31 Terminal(CN303) See Contrast table (2) 32 Holder HNC0006 33 Screw PPZ30P060FZK 34 Plate Unit

See Contrast table (2)

35 Fuse(FU999)(25A) HEK0025

36 Holder CNC5399 37 Diode(D609) RBV-602L 38 Thermistor(TH603) CCX1013 39 FET(Q610-613) IRFIZ44N 40 Transistor(Q313-316) 2SD2343

41 Transistor(Q329-332) 2SB1587 42 Transistor(Q325-328) 2SD2438 43 Cord Assy

See Contrast table (2)

44 Special Red Battery Wire See Contrast table (2) 45 Fuse(30A) See Contrast table (2)

46 Ground Wire(Black) See Contrast table (2) 47 ••••• 48 System Remote Control

See Contrast table (2)

49 Badge Unit See Contrast table (2) 50 Light Pipe Unit HXA0182

(1) EXTERIOR SECTION PARTS LIST

Mark No. Description Part No.

(2) CONTRAST TABLE

GM-X424/X1R/UC, GM-X424/X1R/ES, GM-X424/X1R/EW and GM-X324/X1R/UC are constructed the same except for the following:

Part No.

GM-X424 GM-X324

Mark No. Symbol and Description X1R/UC X1R/ES X1R/EW X1R/UC

6 Panel HNB0053 HNB0071 HNB0071 HNB0054 8 Panel HNB0048 HNB0070 HNB0070 HNB0049

9 Heat Sink HNR0091 HNR0098 HNR0098 HNR0095 11 Amp Unit HWH0054 HWH0052 HWH0051 HWH0053 28 Pin Jack(CN852) HKB0002 HKB0001 HKB0001 Not used

29 Pin Jack(CN851) HKB0004 HKB0003 HKB0003 HKB0003 30 Terminal(CN601) HKE0002 HKE0001 HKE0001 HKE0001 31 Terminal(CN303) HKE0006 HKE0005 HKE0005 HKE0005 34 Plate Unit HXA0165 HXA0162 HXA0162 HXA0162 43 Cord Assy Not used HDE4419 HDE4419 Not used

44 Special Red Battery Wire Not used HDE4423 HDE4423 Not used 45 Fuse(30A) Not used HEK0030 HEK0030 Not used 46 Ground Wire(Black) Not used HDE4455 HDE4455 Not used 48 System Remote Control Not used HDE0007 HDE0007 Not used 49 Badge Unit HXA0168 HXA0164 HXA0164 HXA0164

GM-X424, GM-X324

234

GM-X424 only

R179, 180 : GM-X324 only

VR153 : GM-X424 only

S601, R641 : ES and EW models only

MOTHER PCB

A Lch

A Rch

B Lch

B Rch

ISOLATOR PCB

THRU-PUT

LPF / HPF

BASS

ISOLATOR

FLAT A

SWITCHING CONTROL

OVER VOLTA

DETECTOR

THERMO-DETECTOR

DC-DC CONVERTER

HPF

AMP UNIT Consists of MOTHER PCB ISOLATOR PCB

: AUDIO SIGNAL

SIGNAL ROUTE

3. SCHEMATIC DIAGRAM

Note: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS

LIST".

GM-X424, GM-X324

4R7/50

22/50

ES and EW models only

BASS BOOST

BUFFER AMP

PRE DRIVER POWER AMP

OVER CURRENT

DETECTOR

OVER VOLTAGE

DETECTOR

POWER

DETECTOR

OVER

CURRENT

PROTECTOR

OVER

VOLTAGE

PROTECTOR

POWER CONTROL / MUTE

FLAT AMP

MUTE

FLAT AMP

R VOLTAGE

TETECTOR

GROUND WIRE

BATTERY WIRE

SYSTEM REMOTE

CONTROL

Fig. 3

+ 14 hidden pages

Pioneer GMX-324, GMX-424 Service manual

Specifications and Main Features

Frequently Asked Questions

User Manual