Amp Bias Adjustment - Harman Kardon AVR 2650 Service Manual

AVR 2650
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
VR8
VR8
DC VOLTMETER ; Connect to
CN66(SL),CN61(CEN),CN64(SR),CN63(FL),CN65(SBL
NO.
1
2
3
4
5
6 Surround Back Left
7 Surround Back Right
(
CN61 CN64
VR8
Channel
Front Left
Front Right
Center
Surround Left
Surround Right
PCB)
CN63 CN65
VR8 VR8
Adjust for
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
29
CN62 CN67
VR8 VR8
Adjustment
CN63
CN62
CN61
CN66
CN64
CN65
CN67
harman/kardon