Daewoo 712B Service Manual page 32

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A
No
Is voltage
of C114 13Vdc?
Yes
Is
No
voltage of C121
-13Vdc?
Yes
Is voltage
No
of C107
6.3Vdc?
Yes
P.S.U O.K
30
Trouble in D108, IC102 or
horizontal Part.
Trouble in D103 or vertical
Part.
Trouble in D104