Service manual

ABCDEFGH
1
2
3
4
5
6
Soavo-900SW
20
DIGITAL P.C.B. (Side A) DIGITAL P.C.B. (Side B)
MAIN (1) W10
MAIN (1) W11 MAIN (1) W12
3
1
12
13
24
1
8
9
16
1
8
9
16
1
8
5
4
DC OFFSET ADJUSTMENT
Point e (Pin 23 of IC101)


 
 
 
 












  
  
Caution: When taking measurement at the following points for
operation check, do not use a voltmeter or the like
which may cause a failure.
Pin 10 of IC102
Pin 14 of IC102
Pin 10 of IC103
Pin 14 of IC103
Gate of Q108
Gate of Q109
Gate of Q110
Gate of Q111
Base of Q125
Emitter of Q125
Base of Q126
Emitter of Q126
Base of Q127
Emitter of Q127
Base of Q128
Emitter of Q128
D115—118
R166—169