19" LCD Color Monitor HP VS19E
35
9.2.2 Power Board
1. No Power
Check AC line volt 110V or 220V
OK
Check AC line
Check the voltage of C904(+)
Check F901, bridge rectified circuit
Check start voltage for the pin3 of IC901
Check R912, R916, R918, IC901
Check the auxiliary voltage is between 10V-17V
Check IC901,T901,ZD901 OVP circuit
OK
Check D903, D907, FB Circuit
OK
NG
No power
NG
NG
OK
NG
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