TROUBLESHOOTING GUIDE
E-2
POWER DOES NOT TURN ON (2)
F1701 OK ?
No
Change F1701.
Yes
Is the check feed back
switching circuit ok?
Yes
Check Q1703 and peripheral
circuit.
I s t h e v o l t a g e a t
C1705 DC313V ?
No
Check D1701, D1702, D1703, D1704,
R1704 and peripheral circuit.
No
Check IC1701, IC1704 and
peripheral circuit.
Yes