T R O U B L E S H O O T I N G H I N T - Acer AL732 Service Manual

No Display
( Black )
?
LED ON
YES
Push the power
switch
ON/OFF
LED Color
change ?
NO
Check main board
U4/Pin201
Hi / Lo under
push power sw?
NO
A
G. TROUBLE SHOOTING HINTS
NO
YES
Check the
YES
To Step 2
F1(Fuse) of inverter
Power
adapter ?
YES
Back light
ON?
NO
/Pin1 of
J1
Inverter
+12V ?
YES
NO
Check
B
NO
Change
adapter
YES
To Step 2
High Voltage !
Make sure the
NO
connection of
Inverter is fine
Display ?
YES
OK !