Adjustment - Pioneer GM-X922/X1R/UC Service Manual

6. ADJUSTMENT

No. Item
1 Idling current Input ; adjust 30 seconds after 1kΩ terminate
(adjustment)
2 DC-DC Converter Input ; adjust 30 seconds after 1kΩ terminate
voltage
(adjustment)
- Connection Diagram
DC Regulated
Power Supply
mV Meter
(1)
mV Meter
(2)
Conditions
power is switched on, and within 20
seconds.
power is switched on, and within 20
seconds.
+14.4V
VR951
VR251
E
Q265
C
E
Q268
AMP UNIT
GND
1kΩ
1kΩ
GM-X922, GM-X1022
Adjustment point
VR151(Lch)
VR251(Rch)
VR951
(2W)
(2W)
VR151
Q165
E
Q168
E
R
L
Specifications
mV Meter(1) : 20±6mV
mV Meter(2) : 35±3V
4Ω
SPEAKER
OUTPUT
4Ω
mV Meter
(1)
Fig. 6
17