AOC Adelpia TGL2010A Service Manual page 37

20" LCD Color Monitor
W / LED, No Backlight
Check CN903 pin6 = 12V
Check ON/OFF signal
Check IC801 pin5=5V
Check IC801 PIN11, 12, 19.20 have the output of square wave at short time
Check the output of Q801, Q805
Check the output of PT801, PT802
Check connecter & lamp
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
Check adapter or MB
Check Interface board
Change Q802 or Q803
Change IC801
Change Q801, Q805
Change PT801, PT802
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Adelpia TGL2010A