Harman Kardon AVR 370 Service Manual page 75

AMPLIFIER SECTION BIAS ADJUSTMENT
Measurement condition
.No input signal or volume position is minimum.
.Do not adjust at FM/AM.
Standard value
.Ideal current = 48mA (± 5%)
.Ideal DC Voltage = 22.5mV (± 5%)
DC EVM
-
+
CN66 CN61
VR8
VR8
DC VOLTMETER ; Connect to
CN66(SL),CN61(CEN),CN64(SR),CN63(FL),CN65(SBL
NO. Channel
1 Front Left
2 Front Right
3 Center
4 Surround Left
5 Surround Right
6 Surround Back Left
7 Surround Back Right
( PCB)
CN64 CN63
VR8 VR8
22.5mV (± 5%)
22.5mV (± 5%)
22.5mV (± 5%)
22.5mV (± 5%)
22.5mV (± 5%)
22.5mV (± 5%)
22.5mV (± 5%)
CN65 CN62
VR8 VR8
Adjust for
CN67
VR8
Adjustment22.5
CN63
CN62
CN61
CN66
CN64
CN65
CN67