24" LCD Color Monitor AOC 2436Vh
37
2.) No Backlight
Check C804(+)=16V
NG
OK
Check adapter and Q805,Q806
Check ON/OFF signal
Check Interface board or main board
NG
OK
Check IC801 PIN6/10=16V
NG
OK
Change on/off circuit
Check IC801 PIN13 have saw tooth wave
NG
OK
Change IC801
Check PT801 have the output of square wave at short time
NG
OK
Check PT801
Check resonant wave of PT801
NG
Check the output of PT801
Check C819,C820,C821,C822
Check connecter & lamp, feedback and protect circuit
OK
NG
Change PT801
OK
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