Acer X1161 Service Manual page 50

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No
Symptom
Poor Uniformity/
9
Shadow
Dead Pixel/Dust
10
(Out of spec.)
11
Garbage Image
Remote Controller
12
Failed
13
Function Abnormal
Audio Abnormal
14
(for X1261 only)
- Ensure the projection screen without dirt
- Ensure the projection lens is clean
- Ensure the Brightness is within spec
- Check rod alignment
- Check Engine Module
- Ensure the projection screen without dirt
- Ensure the projection lens is clean
- Clean DMD Chip and Engine Module
- Check DMD Chip
- Check Engine Module
- Ensure that the signal cables and source work as well
- Check Main Board
- Check DMD Board
- Remote Controller
a. Check Battery
b. Check Remote Controller
c. Check IR Sensor Board
d. Check Main Board
"
- Do
Reset (All data)
- Check Main Board
- Ensure that the signal cables and source are work as well
- Ensure that your Projector is not in "Mute" mode
- Check Main Board
- Check Speaker
Procedure
"
of the OSD Menu
X1161/X1261
Confidential
3-4

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X1261

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