Adelpia TGL2260A Service Manual page 38

22" LCD Color Monitor
W / LED, No Backlight
Check IC801 PIN9,10 have the output of square wave at short time
Check the input of Q802, Q803
Check connecter & lamp
Check F801=12V
OK
Check ON/OFF
OK
Check IC801
OK
OK
NG
OK
Check the output of T801, T802
NG
OK
NG
Check adapter or MB
NG
Check Interface board
NG
Change ON/OFF
NG
Change IC801
Change Q802, Q803,Q811,Q812,Q801,Q804
Change T801, T802
38
Adelpia TGL2260A