Acer AL1932, Service Manual

Page: 28 / 42

No Characters , Missing one color 2.
No
No
OK
OK
OK
OK
OK
OK
OK
No
No
No
No
No
Change U4
Change VGA Cable
SYNC ?
Check H , V
Change X1
14.318 Mhz ?
Tal Check X Check or Change
Cable Or Panel
Check Inverter From
Scaler board OK ?
No
Signal Output
Check CN3 to Panel
Check or Change
U3 3.3Vdc Output
Check U3(pin2)
Check or Change
U2 1.8Vdc Output
Check U2(pin2)
Check or Chan ge
U1 , Q1 , D3
Change Inverter Board
5Vdc Output
Check L4
Change Adaptor
12Vdc Output
Check CN1
Missing one color
No Characters
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