Read Harman Kardon AVR 245 (serv.man4) 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%)
CUP11911Y (MAIN PCB)
DC VOLTMETER ; Connect to
CN66(SL),CN61(CEN),CN64(SR),CN63(FL),CN65(SBL/SL(AVR132,144,145)),CN62(FR),CN67(SBR)
NO.
1
2
3
2
3
Surround Left
Surround Right
4
5
5
Channel
Front Left
Front Right
Center
Adjust for
Adjustment
25.92mV (± 5%)
CN65
CN64
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
CN63
CN62
CN61
CN66
CN62
CN61
CN66
CN67
6
Surround Back Left
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
Surround Back Right
7
CN66
VR31
CN61
VR32
CN64
VR33
CN63
VR34
CN65
VR35
CN67
VR37
CN62
VR36
+
-
DC EVM
harman/kardon
AVR 245/230 service manual
Page 73 of 82
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