AOC 919SWA Service Manual page 34

19" LCD Color Monitor
2. W/LED No Backlight
Check IC801 pin15=16V
Check the pin13 of IC801 have saw tooth wave
Check PT801 have the output of square of wave at short
Check the output of PT801
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Check C812 (+) =16V
NG
OK
Check ON/OFF signal
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
Check connecter & lamp
Change adapter and MB
Check main board
Change Q801
Change IC801
Change C819,C820,C821,C822
Change PT801
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AOC 919Swa