Read Harman Kardon AVR 135 (serv.man3) Service Manual online
AMPLIFIER SECTION BIAS ADJUSTMENT
CUP11651Y (BIAS PCB)
Measurement condition
. No input signal or volume position is minimum.
Standard value.
. Ideal current = 48mA (
±
5%)
. Ideal DC Voltage = 25.92mV (
±
5%)
DC VOLTMETER..............Connect to CN81,CN82,CN83,CN84,CN85,CN86,CN87
NO.
Channel
Adjust for
Adjustment
1
Front Left
25.92mV (±5%)
VR83
CN82
VR86
2
Front Right
25.92mV (±5%)
25.92mV (±5%)
25.92mV (±5%)
25.92mV (±5%)
VR84
CN86
VR82
3
Center
VR85
4
Surround Left
VR86
CN81
VR87
5
Surround Right
VR87
VR81
CN87
6
7
Surround Back Left
Surround Back Right
25.92mV (±5%)
25.92mV (±5%)
VR82
VR81(235&335 ONLY)
......
......
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