Section 2 Electrical Adjustments - Sony TA-N55ES Service Manual

| TA-N55ES/N330ES
SECTION 2
ELECTRICAL ADJUSTMENTS
PRECAUTIONS
1. Adjust the idling after tuning the unit on for about 10-15
minutes, giving it time to warm up.
2. Always make sure to adjust the idling when repairing the
power amp section or when replacing any parts.
(IDLING ADJUSTMENT)
Procedure :
Set the ATTENUATOR control as low as possible and adjust
RT301 (L-CH) and RT351 (R-CH) so that the voltmeter reads
7mV at TP301 (L-CH) and TP351 (R-CH).
'Adjustment Location : power board
digital voltmeter
(DC 0.25V range)
digital voltmeter
(DC 0.25V range)