Acer AL532 Service Manual page 15

Step 2
Check the main
board ?
12V
YES
+5.0 V ?
YES
Check the main
board / ?
U5 Pin 3
YES
H/V input
Signal ?
NO
Check
H/V Signal
Display ?
YES
OK !
NO
Check
F1,D5
NO
Check
U9,U11,R43
YES
Check
U5
Change
YES
U8
Change
NO
Signal Cable