Filter
Top Products
38
2.) No Backlight
Check C811(+)=14.5V
NG
OK
Check adapter or MB
Check ON/OFF signal
Check Interface board
NG
OK
Check U801 PIN11,14 have the output of square wave at short time
NG
OK
Change U801
Check Q803 PIN5, 6, 7, 8 have the output of square wave at short time.
NG
OK
Check Q803
Check the output of T801
Check connecter & lamp
OK
NG
Change T801