Dell E193FPc - Power;Inverter Board

Dell E193FPc
40
9.2.2 Inverter/Power Board
No Power
Check to CN102 Pin12=12V
Check Interface board
Check AC line volt 110V or 220V
OK
NG
OK
Check AC line
Check the voltage of C904(+)
Check F901, bridge rectified circuit
Check start voltage for the pin3 of IC901
Check R906, R907, IC901
Check the auxiliary voltage Is between 10V-16V
1) Check IC902, IC903
2) Check Q901, Q902 OVP circuit
NG
OK
Check D910, D911, ZD904
OK
OK
NG
NG
NG