Pioneer GM-X644 Bedienungsanleitung

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 N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936

C PIONEER CORPORATION 2000 K-ZZA. FEB. 2000 Printed in Japan

ORDER NO.

CRT2479

BRIDGEABLE FOUR-CHANNEL POWER AMPLIFIER

GM-X644 X1R/UC,EW

Service

Manual

CONTENTS

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

2. EXPLODED VIEWS AND PARTS LIST ......................2

3. SCHEMATIC DIAGRAM.............................................6

4. PCB CONNECTION DIAGRAM................................12

5. ELECTRICAL PARTS LIST........................................16

6. ADJUSTMENT .........................................................20

7. GENERAL INFORMATION.......................................21

7.1 DISASSEMBLY ..................................................21

8. OPERATIONS AND SPECIFICATIONS ....................22

GM-X544 X1R/UC,ES

GM-X644/X1R/UC

GM-X644,X544

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

1. SAFETY INFORMATION

-GM-X644/X1R/UC, GM-X544/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.

WARNING

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-X644,X544

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.

-PACKING SECTION PARTS LIST

Part No.

Mark No. Description GM-X644/X1R/UC GM-X644/X1R/EW GM-X544/X1R/UC GM-X544/X1R/ES

1 •••••

2 Screw BYC40P180FZK BYC40P180FZK BYC40P180FZK BYC40P180FZK

3 Polyethylene Bag HEG0011 HEG0011 HEG0011 HEG0011

4 Polyethylene Bag HEG0013 HEG0013 HEG0013 HEG0013

5 Carton HHG0237 HHG0238 HHG0236 HHG0239

6 Contain Box HHL0237 HHL0238 HHL0236 HHL0239

7 Protector HHP0076 HHP0076 HHP0076 HHP0076

8-1 Owner’s Manual HRD0132 HRD0133 HRD0131 HRD0134

8-2 Owner’s Manual Not used Not used Not used HRD0142

* 8-3 PRC HRY0012 Not used HRY0012 Not used

* 8-4 Warranty Card Not used HRY1157 Not used Not used

* 8-5 Card Not used Not used ARY1048 Not used

9 Cover HNS0101 HNS0101 HNS0101 HNS0101

-Owner's Manual

Model Part No. Language

GM-X644/X1R/UC HRD0132 English, French

GM-X644/X1R/EW HRD0133 English, Spanish, German,

French, Italian, Dutch

GM-X544/X1R/UC HRD0131 English, French

GM-X544/X1R/ES HRD0134 English, Spanish

HRD0142 Portuguese(B), Arabic

GM-X644,X544

2.2 EXTERIOR

GM-X644,X544

(1) EXTERIOR SECTION PARTS LIST

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

1 Screw BBZ30P060FMC

2 Screw BBZ30P080FMC

3 Screw BSZ30P050FZK

4 Screw(M2.6x6) HBA0012

5 Panel See Contrast table(2)

6 Case See Contrast table(2)

7 Heat Sink See Contrast table(2)

8 Plate HNS0078

9 Plate HNS0080

10 Cover HNS0101

11 Amp Unit See Contrast table(2)

12 Terminal(CN902) CKF1059

13 Fuse(25A) HEK0025

14 Pin Jack(CN852) HKB0002

15 Pin Jack(CN851) HKB0006

16 Terminal(CN853) HKE0006

17 Connector(CN301) HKE0030

18 Clip HNC0054

19 Heat Sink HNR0166

20 Heat Sink HNR0167

21 Screw PPZ30P100SAD

22 Light Pipe Unit HXA0322

23 Screw PPZ30P100FZK

24 Fuse Holder HKE0012

25 Connector(CN601) HKE0020

26 Transistor(Q616) 2SD2395

27 Transistor(Q617) 2SB1566

28 Diode(D610) FML22S

29 Diode(D611) FML22R

30 Thermistor(TH601, 602) CCX1013

(2) CONTRAST TABLE

GM-X644/X1R/UC, EW and GM-X544/X1R/UC, ES are constructed the same except for the following:

Part No.

Mark No. Description GM-X644/X1R/UC GM-X644/X1R/EW GM-X544/X1R/UC GM-X544/X1R/ES

5 Panel HNB0109 HNB0109 HNB0110 HNB0110

6 Case HNB0115 HNB0115 HNB0113 HNB0113

7 Heat Sink HNR0157 HNR0157 HNR0155 HNR0155

11 Amp Unit HWH0117 HWH0126 HWH0125 HWH0127

HP/LP FILTER

40-120Hz

12dB/octave

POWER SUPPLY

ISOLATOR CIRCUIT

GAIN=1

RCA OUT L GAIN=1

RCA OUT R GAIN=1

4CH

↑↓

2CH

GM-X644,X544

1234

A-a A-b

A-a

A-b

A-a

Large size

SCH diagram

Guide page

Detailed page

3. SCHEMATIC DIAGRAM

3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

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

LIST”.

A-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 designation.

Symbol indicates a resistor.

No differentiation is made between chip resistors and

discrete resistors.

NOTE :

Symbol indicates a capacitor.

No differentiation is made between chip capacitors and

discrete capacitors.

AMP

GAIN=7-31dB

AAMP UNIT

/EW, ES

OFF/LPF/HPF

BFC

HEK0025

1K(B)1K(B)1K(B)1K(B)

GM-X644,X544

5678

A-b

GM-X644,X544

1234

HP/LP FILTER

40-120Hz

12dB/octave

ISOLATOR CIRCUIT

GAIN=1

RCA OUT L GAIN=1

RCA OUT R GAIN=1

OFF

OFF/

4CH

↑↓

2CH

A-a

A-a A-b

GM-X644,X544

5678

POWER SUPPLY /EW, ES BFC

A-a

A-a A-b

GM-X644,X544

1234

AMP

GAIN=7-31dB

AAMP UNIT

OFF/LPF/HPF

1K(B)1K(B)

A-a A-b

A-b

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