Pioneer GMX-252 Service manual

PIONEER 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 EUROPE NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936

C PIONEER CORPORATION 2000

K-ZZS. DEC. 2000 Printed in Japan

ORDER NO.

CRT2636

BRIDGEABLE POWER AMPLIFIER

GM-X252 X1R/UC

- This service manual should be used together with the following manual(s):

Model Order No. Mech. Module Remarks GM-X352/X1R/UC CRT2614

EXPLODED VIEWS AND PARTS LIST

PACKING(Page 2)

- PACKING SECTION PARTS LIST

Part No.

Mark No. Symbol and Description GM-X352/X1R/UC GM-X252/X1R/UC

5 Carton HHG0278 HHG0304 6 Contain Box HHL0278 HHL0304

EXTERIOR(Page 4)

- EXTERIOR SECTION PARTS LIST

Part No.

Mark No. Symbol and Description GM-X352/X1R/UC GM-X252/X1R/UC

10 Panel HNB0124 HNB0141 11 Panel HNB0126 HNB0150 13 Heat Sink HNR0179 HNR0189 16 Amp Unit HWH0145 HWH0167

PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan

C PIONEER CORPORATION 2000

K-ZZS. NOV. 2000 Printed in Japan

ORDER NO.

CRT2614

BRIDGEABLE POWER AMPLIFIER

GM-X352 X1R/UC,EW,ES

CONTENTS

1. SAFETY INFORMATION............................................2

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

GM-X352/X1R/EW

GM-X352

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

1. SAFETY INFORMATION

- GM-X352/X1R/UC

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

This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer, birth defects or other reproductive harm. Health & Safety Code Section 25249.6 - Proposition 65

GM-X352

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.

- Owner's Manual

Model Part No. Language GM-X352/X1R/UC HRD0165 English, French GM-X352/X1R/EW HRD0157 English, Spanish, German,

French, Italian, Dutch

GM-X352/X1R/ES HRD0166 English, Spanish

HRD0172 Portuguese(B), Arabic

- PACKING SECTION PARTS LIST

Part No.

Mark No. Description GM-X352/X1R/UC GM-X352/X1R/EW GM-X352/X1R/ES

* 1-1 Warranty Card Not used HRY1157 Not used

1-2 Owner’s Manual HRD0165 HRD0157 HRD0166 1-3 Owner’s Manual Not used Not used HRD0172

* 1-4 Card ARY1048 Not used Not used

2 Screw BYC40P180FZK BYC40P180FZK BYC40P180FZK

3 Polyethylene Bag HEG0011 HEG0011 HEG0011 4 Polyethylene Bag HEG0013 HEG0013 HEG0013 5 Carton HHG0278 HHG0278 HHG0278 6 Contain Box HHL0278 HHL0278 HHL0278 7 Protector HHP0105 HHP0105 HHP0105

8 Cord Assy HDE0036 HDE0036 HDE0036 9 Cover HNS0101 HNS0101 HNS0101

GM-X352

2.2 EXTERIOR

GM-X352

(1) EXTERIOR SECTION PARTS LIST

Mark No. Description Part No.

1 Screw BBZ30P050FMC 2 Screw BBZ30P060FMC 3 Screw BBZ30P080FMC 4 Screw BSZ30P050FZK 5 Screw(M3x12) CBA1323

6 Screw(M3x5) HBA0006 7 Screw(M3x8) HBA0011 8 ••••• 9 Case HNB0131

10 Panel

See Contrast table(2)

11 Panel See Contrast table(2) 12 Holder HNC0080 13 Heat Sink

See Contrast table(2)

14 Cover HNS0101 15 Spacer HNV0016

16 Amp Unit

See Contrast table(2)

17 Terminal(CN903) CKF1059 18 Fuse(20A) HEK0020 19 Pin Jack(CN801) HKB0001 20 Terminal(CN901) HKE0036

21 Terminal(CN905) HKE0037 22 Terminal(CN906) HKE0037 23 Connector(CN904) HKM1077 24 Holder HNC0082 25 Screw PPZ30P100SAD

26 Light Pipe Unit HXA0322 27 Screw PPZ30P100FZK

(2) CONTRAST TABLE

GM-X352/X1R/UC, EW and ES are constructed the same except for the following:

Part No.

Mark No. Description GM-X352/X1R/UC GM-X352/X1R/EW GM-X352/X1R/ES

10 Panel HNB0124 HNB0141 HNB0124 11 Panel HNB0126 HNB0146 HNB0126 13 Heat Sink HNR0179 HNR0189 HNR0179 16 Amp Unit HWH0145 HWH0144 HWH0146

L+ R+ L-

R-

LPF SELECT

GAIN

AMP UNIT

LP FILTER 80Hz - 12dB/OCT

ISOLATOR GAIN = 1

(EW,ES m

REGULATOR

DC/DC CONVERTER

GM-X352

234

3. SCHEMATIC DIAGRAM

3.1 AMP UNIT

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

LIST”.

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