AMPLIFIER SECTION BIAS ADJUSTMENT
CUP11651X (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(ONLY AVR230/330)
VR81(ONLY AVR330)
...... ......
AVR330 harman/kardon