Harman Kardon AVR 370, Service Manual

Page: 75 / 182

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 VOLTMETER ; Connect to
CN66(SL),CN61(CEN),CN64(SR),CN63(FL),CN65(SBLPSju]YOmyPSju]^OziyP
NO.
1
2
3
Surround Left
Surround Right
4
5
Channel
Front Left
Front Right
Center
Adjust for Adjustment 22.5
22.5mV (± 5%)
CN65
CN64
22 .5mV (± 5%)
22.5mV (± 5%)
22.5mV (± 5%)
22.5mV (± 5%)
CN63
CN62
CN61
CN66
CN67
6 Surround Back Left 22.5mV (± 5%)
22.5mV (± 5%) Surround Back Right 7
CN66 CN61 CN64 CN63 CN65 CN67 CN62
+
-
DC EVM͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑͑
(
$03 PCB)
VR8
VR8 VR8 VR8 VR8 VR8 VR8