Harman Kardon AVR 132 - Amplifier Bias Adjustment; Amplifier Bias Adjustment Procedure

AMPLIFIER SECTION BIAS ADJUSTMENT
Measurement condition
.No input signal or volume position is minimum.
Standard value
.Ideal current = 48mA (± 5%)
.Ideal DC Voltage = 25.92mV (± 5%)
CUP11911Y (MAIN PCB)
DC VOLTMETER ; Connect to
CN66(SL),CN61(CEN),CN64(SR),CN63(FL),CN65(SBL/SL(AVR132,144,145)),CN62(FR),CN67(SBR)
CN61
CN65
Adjust for Adjustment
25.92mV (± 5%)
CN64
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
CN63
CN62
Channel
Front Left
Front Right
Center
Surround Left
Surround Right
4
5
NO.
1
2
3
C
N61
VR32
CN64
VR33
C
N63
VR34
C
N65
VR35
C
N62
VR36
+
-
DC EVM