Read Harman Kardon AVR 147 Service Manual online
AMPLIFIER SECTION BIAS ADJUSTMENT
Measurement condition
.No input signal or volume position is minimum.
.No input signal or volume position is minimum.
Standard value
.Ideal current = 48mA (± 5%)
.Ideal DC Voltage = 25.92mV (± 5%)
.Ideal current = 48mA (± 5%)
.Ideal DC Voltage = 25.92mV (± 5%)
CUP11911* (MAIN PCB)
DC VOLTMETER ; Connect to
CN61(CEN),CN64(SR),CN63(FL),CN65(SBL/SL(AVR132,144,145,146,147)),CN62(FR)
NO.
1
2
3
2
3
Surround Left
Surround Right
4
5
5
Channel
Front Left
Front Right
Center
CN64
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
CN62
CN61
CN65
CN61
CN65
Adjust for
Adjustment
25.92mV (± 5%)
CN63
CN61
VR32
CN64
VR33
CN63
VR34
CN65
VR35
CN62
VR36
+
-
DC EVM
harman/kardon
AVR147/230 Service Manual
Page 116 of 124
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