Adjustment; Adjustment Required When The Unit Is Replaced; Sub Woofer Power Amp Overcurrent Adjustment - Pioneer GM-D9605 Service Manual

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8. ADJUSTMENT

8.1 ADJUSTMENT REQUIRED WHEN THE UNIT IS REPLACED

When any of the following assemblies is replaced, it is necessary to perform the adjustment.
IC 508

8.2 SUB WOOFER POWER AMP OVERCURRENT ADJUSTMENT

Protective function may start working when you turn up the volume of head unit.
If the amplifier output is short-circuited, the protection function may not work and malfunction may occur to the amplifier
output.
Connection Diagram
A
MAIN PCBA
Adjustment Method
Symptoms due to improper adjustment
Adustment item
Amplifier output current
limit value setup
5
6
"8.2 SUB WOOFER POWER AMP
OVERCURRENT ADJUSTMENT "
Measurement point
Between D511 anode
and GND (Chassis)
GM-D9605/XEEL
6
7
GND (Chassis)
Multimater
Masuring instruments
Multimater
7
8
Specs Adjusting point
5.7V SV501
8
A
B
C
D
E
F
11