Is voltage
of C128
12Vdc?
Trouble in IC103.
No
Is voltage
of C107
28Vdc?
No
Yes
Yes
Yes
Is voltage
of C111
17Vdc?
Trouble in Q106, D106.
P.S.U O.K
Trouble in D105.
No
Is voltage
of C109
5Vdc?
Trouble in IC101.
No
Yes
Yes
Is voltage
of C118
-13Vdc?
Trouble in D108.
No
A
