Acer AL718 Service Manual page 37

2. No Characte rs , Missing one Color
Change Inverter
AL718
No
Check Inverter
OK ?
Check Panel & Change
Connector (30Pin) or Cable
Change VGA Cab le
No Characters
Missing one color
Check 2.5V , 3.3V
Output ?
YES
No
Check LVDS U1,U2
Output ?
YES
Check U8,GM2120
R,G,B Output ?
YES
Check x'TA L X1
14.318Mhz ?
YES
Check H,V
SYNC ?
YES
Change U8 GM 2120
Check Q6,U10,CN3
Change X1
11-2