Acer X213H Manual de serviço - Página 35
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2.) No Backlight
Check F801 = 14.5V
Check ON/OFF signal
Check U801 PIN12=14.5V
Check U801 PIN10, 9 have the output of square wave at short time
Check Q803, Q812 PIN5, 6, 7, 8 have the output of square wave at short time.
Check connecter & lamp
OK
NG
OK
NG
OK
NG
NG
OK
NG
OK
Check the output of PT801
OK
NG
Check adapter or MB
Check Interface board
Change Q802, Q804
Change U801
Check Q801, Q803, Q805, Q807, Q812, Q813
Change PT801
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