Amplifier Section Bias Adjustment - Harman Kardon AVR 355 Service Manual

harman/kardon

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%)
DC EVM
-
+
CN66 CN61
VR82
VR81
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
CUP12026* (MAIN PCB)
CN64 CN63
VR83 VR84
Adjust for
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
CN65 CN62
VR85 VR86
(AVR254,255,354,355)),CN62(FR),CN67(SBR)
Adjustment
AVR 355/230 Service Manual
CN67
VR87
CN63
CN62
CN61
CN66
CN64
CN65
CN67
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