Operating instructions

15" LCD Color Monitor AOC 519Sw
32
2.) W / LED, No Backlight
Check CN902 pin12 =12V
NG
OK
Check adapter or MB
Check ON/OFF signal
Check Interface board
NG
OK
Check IC801 pin9=12V
NG
OK
Change Q801 or Q802
Check the pin1 of IC801 have saw tooth wave
NG
OK
Change IC801
Check D801,D802 have the output of square wave at short time.
NG
OK
Check D805/D807/C819/C823/R801/R814
Check the resonant wave of pin2 & pin5 for T801
NG
Check the output of T801
Check C8339/C838/R855/R856
Check connecter & lamp
OK
NG
Change T801
OK