5. PWPC
No Power
No power
Check AC line volt 110V or 220V
NG
OKCheck AC line
Check the voltage of C904(+)
OK NG
Check F901, bridge rectified circuit
Check start voltage for the pin3 of IC901
OKNG
Check R903, R904,IC901
Check the auxiliary voltage is between 10V-16V
OK
NGCheck IC901,T901
Check ZD901, D903
Check D910, D911, IC902
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