PIONEER GM-X572/XR/UC Service Manual

Cover page of PIONEER GM-X572/XR/UC Service Manual

Service Manual for PIONEER GM-X572/XR/UC, downloadable as a PDF file.

Manual details

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  • The manual has 21 pages
  • File size: 1.6 MB
  • Available language versions: English
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Sample pages

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PIONEER CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 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.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2002
K-ZZD. DEC. 2002 Printed in Japan
ORDER NO.
CRT2991
BRIDGEABLE POWER AMPLIFIER
Service
Manual
GM-X572/XR/UC
GM-X572
XR/UC,XR/EW,XR/ES
For details, refer to "Important symbols for good services".
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PIONEER CORPORATION
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 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.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2002
K-ZZD. DEC. 2002 Printed in Japan
ORDER NO.
CRT2991
BRIDGEABLE POWER AMPLIFIER
Service
Manual
GM-X572/XR/UC
GM-X572
XR/UC,XR/EW,XR/ES
For details, refer to "Important symbols for good services".
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GM-X572/XR/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 adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.
SAFETY INFORMATION
- GM-X572/XR/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
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GM-X572/XR/UC
CONTENTS
SAFETY INFORMATION ......................................................................................................................................................2
1. SPECIFICATIONS .................................................................................................................................................................3
2. EXPLODED VIEWS AND PARTS LIST ................................................................................................................................4
2.1 PACKING .........................................................................................................................................................................4
2.2 EXTERIOR .......................................................................................................................................................................6
3. SCHEMATIC DIAGRAM .......................................................................................................................................................8
3.1 OVERALL CONNECTION DIAGRAM .............................................................................................................................8
4. PCB CONNECTION DIAGRAM..........................................................................................................................................10
4.1 AMP UNIT .....................................................................................................................................................................10
5. ELECTRICAL PARTS LIST..................................................................................................................................................14
6. ADJUSTMENT ...................................................................................................................................................................17
7. GENERAL INFORMATION.................................................................................................................................................17
7.1 DIAGNOSIS ..................................................................................................................................................................17
7.1.1 DISASSEMBLY ..........................................................................................................................................................17
7.1.2 CONNECTOR FUNCTION DESCRIPTION ................................................................................................................18
7.2 IC ...................................................................................................................................................................................19
8. OPERATIONS .....................................................................................................................................................................20
1. SPECIFICATIONS
Power source .............................................................................................................. 14.4 V DC (10.8 -- 15.1 V allowable)
Grounding system ............................................................................................................................................ Negative type
Current consumption ........................................................................................................ 18.9 A (at continuous power, 4
)
Average current drawn* ............................................................................................................ 6.4 A (4
for two channels)
Fuse ........................................................................................................................................................................... 20 A
× 2
Dimensions ........................................................................................................................ 265 (W)
× 50 (H) × 237 (D) mm
[10-1/2 (W)
× 2 (H) × 9-3/8 (D) in]
Weight ........................................................................................................ 2.8 kg (6.2 lbs) (Leads for wiring not included)
Maximum power output .................................................................................................................... 150 W
× 2 / 400 W × 1
Continuous power output ........................................................... 75 W
× 2 (at 14.4 V, 4 , 20 -- 20,000 Hz, 0.08% THD)
200 W
× 1 (at 14.4 V, 4 , 20 -- 20,000 Hz, 0.8% THD)
100 W
× 2 (at 14.4 V, 2 , 20 -- 20,000 Hz, 0.8% THD)
Load impedance ............................................................................................................................ 4
(2 -- 8 allowable)
(Bridge connection: 4 -- 8
allowable)
Frequency response ............................................................................................................ 10 -- 50,000 Hz (+0 dB, ­1 dB)
Signal-to-noise ratio .................................................................................................................... 100 dB (IHF­A network)
Distortion ........................................................................................................................................... 0.008% (10 W, 1 kHz)
Separation ....................................................................................................................................................... 65 dB (1 kHz)
Low pass filter ............................................................................................................................... Cut off frequency: 80 Hz
Cut off slope: ­12 dB/oct
Maximum input level/impedance .................................................................................... RCA: 6.5 V/22 k
(0.2 -- 6.5 V)
Speaker: 26 V/40 k
(0.8 -- 26 V)
Note:
· Specifications and the design are subject to possible modification without notice
due to improvements.
*Average current drawn
· The average current drawn is nearly the maximum current drawn by this unit
when an audio signal is input. Use this value when working out total current
drawn by multiple power amplifiers.
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2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
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GM-X572/XR/UC
*
1-1 Card
See Contrast table(2)
1-2 Owner's Manual
See Contrast table(2)
1-3 Owner's Manual
See Contrast table(2)
*
1-4 Warranty Card
See Contrast table(2)
2 Cord
HDE0044
3 Screw Assy
HEA0058
4 Screw
BYC40P180FZK
5 Polyethylene Bag
HEG0011
6 Cover
HNS0101
7 Polyethylene Bag
HEG0013
8 Carton
HHG0340
9 Contain Box
HHL0340
10 Protector
HHP0169
Mark No. Description
Part No.
(1) PACKING SECTION PARTS LIST
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.
- For the applying amount of lubricants or glue, follow the instructions in this manual.
( In the case of no amount instructions, apply as you think it appropriate.)
- Owner's Manual
Model
Part No.
Language
GM-X572/XR/UC
HRD0218
English, French
GM-X572/XR/EW
HRD0220
English, Spanish, German, French, Italian, Dutch
GM-X572/XR/ES
HRD0222
English, Spanish
HRD0223
Portuguese(B), Arabic
Part No.
Mark No. Symbol and Description
GM-X572/XR/UC
GM-X572/XR/EW
GM-X572/XR/ES
*
1-1 Card
ARY1048
Not used
Not used
1-2 Owner's Manual
HRD0218
HRD0220
HRD0222
1-3 Owner's Manual
Not used
Not used
HRD0223
*
1-4 Warranty Card
Not used
HRY1157
Not used
(2) CONTRAST TABLE
GM-X572/XR/UC, GM-X572/XR/EW and GM-X572/XR/ES are constructed the same except for the follow-
ing:

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