Specifications

20″ LCD Color Monitor Adelpia TGL2010A
37
W / LED, No Backlight
Check CN903 pin6 = 12V
NG
OK
Check adapter or MB
Check ON/OFF signal
Check Interface board
NG
OK
Check IC801 pin5=5V
NG
OK
Change Q802 or Q803
NG
OK
Change IC801
Check the output of Q801, Q805
NG
Check the output of PT801, PT802
Change Q801, Q805
Check connecter & lamp
OK
NG
Change PT801, PT802
OK
Check IC801 PIN11, 12, 19.20 have the output of square wave at short time