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Harman Kardon AVR 355/230 Service Manual page 111

7 x 65w 7.1 channel a/v receiver

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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
Page 111 of 125

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