Acer AL532 Service Manual page 16

No display
(White)
Check the main
board ?
5V
YES
+3.3V ?
YES
Check the main
board ?
U8/Pin1
YES
H/V Input
Signal ?
NO
Check
H/V Signal
Display ?
YES
OK !
Check
NO
U9,U11,R43
NO
Check
U7,U12
NO
Check
3.3V Circuit
YES
Change
U8
Change
NO
Signal Cable