Adjustment - Pioneer GM-X822 X1R/UC Service Manual

6. ADJUSTMENT

No. Item Conditions
1 Idling current Input ; adjust 30 seconds after 1kΩ terminate
(adjustment) power is switched on, and within 20 seconds. VR201(Rch)
2 DC-DC converter Input ; adjust 30 seconds after 1kΩ terminate
voltage power is switched on, and within 20 seconds.
(adjustment)
- Connection Diagram
DC Regulated
Power Supply
mV Meter
(1)
mV Meter
(2)
+14.4V
VR951
VR201
R228
E
Q213
C
AMP UNIT
GND
1kΩ
1kΩ
Adjustment point
VR101(Lch)
VR951
VR101
R128
R
L
GM-X822,X722
Specifications
mV Meter(1) : 12mV±3mV
mV Meter(2) : 30V±3V
4Ω
(2W)
SPEAKER
OUTPUT
4Ω
(2W)
mV Meter
(1)
Fig. 8
19