Adjustment - Pioneer PRS-A500/X1H/EW Service Manual

1

6. ADJUSTMENT

A
- Connection Diagram
B
R512
C
D
R511
+
-
E
Idling Current Adjustment
No.
1
2
Note:
1. The idle current should be set when the amplifier has not been in operation for a long time and also should be
set when at room temperature.
2. PCB assembly must be mounted in the heatsink and all power transistors must be attached to the heatsink using
F
the proper fastners.
24
1
2
+
DC V Meter(2)
-
R520
VR402
VR401
R519
DC V Meter(1)
Adjustment Point
VR401(Lch)
VR402(Rch)
2
3
PRS-A500/X1H/EW
3
4
Adjustment Method
+
DC V Meter(1) : 7.0 1.0mV
+
DC V Meter(2) : 7.0 1.0mV
4
SIDE A