Electrical Adjustment; Dc Bias Adjustment (Witn No Signal Input); Dc Balance Adjustment (With No Signal Input) - Sony TA-AX5 Service Manual

sEcTtoN 3
ADJUSTM ENT
3 - 1 . E L E C T R I C A L A D J U S T M E N T
N o t e :
l. DC BIAS and DC BALANCE adjustments should be
made serveral minutes after the POWER switch is turned
on (POWER ON.).
2. Make DC BIAS adjustment first.
RT3O2
(L-cH)
Repeat DC BIAS and DC BALANCE adjustments two or
three times.
After replacing the power transistors, DC BIAS and DC
BALANCE adjustments should be made.
RT352
(B-cH)
audio board
RT35I
(n-cH)
4 -
DC Bias Adjustment (with no signal input)
Procedure:
- L-CH -
Adj.ust RT302 for l0 mV readings.
VOM
(DC range)
DC Balance Adiustment (with no signal input)
l. Turn Power switch ON. Connect a VOM
Adjust RT301 (L-CH) and RT35l
reading on the VOM.
(R-CH) for 0V
speaker terminals.
speaker terminals
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