Electrical Adjustments - Sony TA-AX401 Service Manual

SECTION 3
ELECTRICAL ADJUSTMENT
Bias Adjustment
Procedure:
Digital
Voltmeter
Main
board
1. Turn ON the power by connecting a digital voltmeter with
test pins TB502 (L-CH) and TB602 (R-CH).
2. Adjust to 1.5mV with RV501 (L-CH) and RV601 (R-CH) so
that the indicator of digital voltmeter when the power is
turned ON.
Adjustment Location: main board
RV601, TB602 RV501, TB502
—_—_—_—— —_——_——
BIAS (R) BIAS (L)
ADJ ADJ