Table Of Contents; Specifications - Pioneer GM-9127ZT Service Manual

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- Supplementally model is identical to the original except for the addition of following items.
Description
Cover
Polyethylene Bag
Protector
Protector
Carton
Contain Box
NOTE:
- When diagnosing a product, take care of its heated portion.
Power IC (IC801,802,803)
Power Supply IC (IC901,902)
DSP IC (IC201,251)
Heat Sink
IC Holder
CONTENTS
SAFETY INFORMATION............................................2
1. SPECIFICATIONS .......................................................3
2. EXPLODED VIEWS AND PARTS LIST ......................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ....6
4. PCB CONNECTION DIAGRAM................................14
5. ELECTRICAL PARTS LIST........................................22
6. ADJUSTMENT .........................................................27

1. SPECIFICATIONS

Power source . . . . . . . . . . . . .13.2±0.1V(10.5-16.0V)
Grounding . . . . . . . . . . . . . . . .Negative type
Backup current . . . . . . . . . . . .1.0mA or less
Dimensions(No Bracket) . . . .210mm(W)x60mm(H)x150mm(D)
Weight(GM-9127ZT/EW) . . . .1.985kg
(GM-9227ZT/E) . . . . . .2.086kg
Maximum output power . . . .22W or more(Front)
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Part No.
GM-9127ZT-91/EW GM-9227ZT-91/E
CEG1057 CEG1045
Not used CEG1185
CHP2329 Not used
CHP2330 Not used
CHG4144 CHG4865
CHL4863 CHL4866
22W or more(Rear)
22W or more(Woofer)
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7. GENERAL INFORMATION.......................................33
7.1 DIAGNOSIS .......................................................33
7.1.1 DISASSEMBLY.........................................33
7.1.2
CONNECTOR FUNCTION DESCRIPTION
7.2 IC ........................................................................37
7.3 EXPLANATION...................................................38
7.3.1 OPERATIONAL FLOW CHART .................38
7.3.2 SYSTEM BLOCK DIAGRAM.....................40
8. OPERATIONS ...........................................................41
GM-9127ZT/EW
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8
A
B
C
......36 D
E
F
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