Pioneer GMX-722, GMX-822 Service manual

ORDER NO.

CRT2187

vic

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-ZEB. FEB. 1998 Printed in Japan

GM-X822 X1R/UC

CONTENTS

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

2. EXPLODED VIEWS AND PARTS LIST.......................3

3. SCHEMATIC DIAGRAM .............................................8

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

5. ELECTRICAL PARTS LIST ........................................15

6. ADJUSTMENT..........................................................19

7. GENERAL INFORMATION .......................................20

7.1 IC .........................................................................20

7.2 DISASSEMBLY ...................................................21

7.3 BLOCK DIAGRAM ..............................................22

8. OPERATIONS AND SPECIFICATIONS.....................23

GM-X722 X1R/UC,ES,EW

GM-X822,X722

1. SAFETY INFORMATION

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-X822,X722

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

Fig. 1

GM-X822,X722

- PACKING SECTION PARTS LIST

Part No.

GM-X822 GM-X722

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

* 1 Screw Assy HEA0044 HEA0044 HEA0044 HEA0044

2 Screw(x4) BYC40P180FZK BYC40P180FZK BYC40P180FZK BYC40P180FZK 3 Polyethylene Bag HEG0011 HEG0011 HEG0011 HEG0011 4 Wrench HLP0001 HLP0001 HLP0001 HLP0001 5 Polyethylene Bag HEG0013 HEG0013 HEG0013 HEG0013

6 Carton HHG0164 HHG0165 HHG0166 HHG0167 7 Contain Box HHL0164 HHL0165 HHL0166 HHL0167

8 Protector(x2) HHP0025 HHP0025 HHP0025 HHP0025 9-1 Owner’s Manual HRD0060 HRD0061 HRD0062 HRD0063 9-2 Owner’s Manual Not used Not used HRD0069 Not used

10 Warranty Card *HRY1070 Not used Not used HRY1087 11 Card Not used ARY1048 Not used Not used

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-X822/X1R/UC HRD0060 English, French GM-X722/X1R/UC HRD0061 English, French GM-X722/X1R/ES HRD0062 English, Spanish

HRD0069 Arabic, Portuguese(B)

GM-X722/X1R/EW HRD0063 English, French, German, Dutch, Spanish, Italian

GM-X822,X722

2.2 EXTERIOR

Fig. 2

GM-X822,X722

1 Screw BMZ30P250FZK 2 Screw(M3x12) CBA1323 3 Screw(M3x14) CBA1382 4 Sheet CNM5854 5 Screw HBA0006

6 Screw HBA0011 7 Screw HBA0012 8 Washer HBF0005 9 Case HNB0037

10 Heat Sink HNR0078

11 Window HNS0053 12 Lighting Conductor HNV0013 13 Amp Unit

See Contrast table(2)

14 Screw BMS30P060FZK 15 Screw BMS30P080FMC

16 Clamper CEF1009 17 Terminal(CN904) CKF1059 18 Plug(CN551) CKS1037 19 Plug(CN501) CKS1039 20 Connector(CN503) CKS3799

21 Connector(CN552) CKS3800 22 Cord(CN153) HDE5500 23 Cord(CN253) HDE5500 24 Cord(CN502) HDE5501 25 Cord(CN553) HDE5502

26 Holder HNC0029 27 Buss Bar HNC0043 28 Buss Bar HNC0045 29 Buss Bar HNC0051 30 Buss Bar HNC0053

31 Clip HNC0054 32 Separator HNM0047 33 Spacer

See Contrast table(2)

34 Heat Sink HNR0081 35 Heat Sink HNR0082

36 Clamper HNV0015 37 Spacer HNV3975 38 Screw BMZ30P250FZK 39 Fan Motor CXM1102 40 Fuse(20A) HEK0020

41 Pin Jack(CN801) HKB0002 42 Pin Jack(CN851) HKB0002 43 Terminal(CN101) HKE0010 44 Fuse Holder(CN902) HKE0012 45 Terminal(CN901) HKE0014

46 Holder HNC0027 47 Holder HNC0028 48 Spacer HNV0010 49 Screw PPZ30P060FZK 50 Film

See Contrast table(2)

51 Film See Contrast table(2) 52 Plate Unit See Contrast table(2) 53 Light Pipe Unit HXA0201 54 Plate Unit

See Contrast table(2)

55 Sheet Unit See Contrast table(2)

56 Panel Unit See Contrast table(2) 57 Plate HNS0066 58 Panel Unit

See Contrast table(2)

59 Screw SMZ30H080FCR 60 LED(D902,903)

See Contrast table(2))

61 Transistor

(Q113,114,213,214) 2SC5099

62 Transistor

(Q115,116,215,216) 2SA1907

63 Thermistor(TH651,652) CCX1013 64 FET(Q963-966) IRFIZ44N 65 Transistor(Q107,207) 2SC1568

66 Diode(D961) FML22S 67 Diode(D962) FML22R 68 Thermistor(TH901) CCX1027 69 Screw BSZ30P050FZK

(1) EXTERIOR SECTION PARTS LIST

Mark No. Description Part No.

GM-X822,X722

(2) CONTRAST TABLE

GM-X822/X1R/UC, GM-X722/X1R/UC, GM-X722/X1R/ES and GM-X722/X1R/EW are constructed the same except for the following:

Part No.

GM-X822 GM-X722

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

13 Amp Unit HWH0075 HWH0076 HWH0074 HWH0073 33 Spacer HNM0053(x2) HNM0053(x2) HNM0053(x1) HNM0053(x2) 50 Film CNM5856 Not used Not used Not used 51 Film CNM5855 Not used Not used Not used 52 Plate Unit HXA0115 HXA0111 HXA0111 HXA0111

54 Plate Unit HXA0206 HXA0203 HXA0203 HXA0203 55 Sheet Unit HXA0266 HXA0126 HXA0118 HXA0118 56 Panel Unit HXA0270 HXA0271 HXA0271 HXA0271 58 Panel Unit HXA0273 HXA0272 HXA0272 HXA0272 60 LED(D902,903) NSPWF50S(AQ) NSPWF50S(VQ) NSPWF50S(VQ) NSPWF50S(VQ)

GM-X822,X722

234

B C

AMP PCB

AUDIO PCB

BASS

PCB

AMP UNIT

AMP PCB AUDIO PCB BASS PCB

Consists of

-10dBs

-7.6dBs

-10.2dBs

30V

-30V

-35-30V

-35V

15.5V

-15.5V

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".

GM-X822,X722

Fig. 3

-14.3dBs

21.3dBs

14.4V

0.2V

14.3V

10.7V

0.2V

5.0V

0.3V

3.2V

0.1V

6.3V

3.5V

3.8V

1.9V

0.2V

2.6V

5.0V

2.4V

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