Acer K130 Service Manual page 47

No Symptom
8 Color Abnormal
Poor Uniformity/
9
Shadow
Dead Pixel/Dust
10
(Out of spec.)
11 Garbage Image
Remote Control/
1 Control Panel
Failed
13 Function Abnormal
14 Audio Abnormal
- Execute "Reset" of the OSD Menu Reset" of the OSD Menu " of the OSD Menu
- Execute "LED calibration" Execute "LED calibration"
- Check Main Board
- Check DMD Board
- Check Engine module.
- Ensure the projection screen is without dirt
- Ensure the projection lens is clean
- Execute LED calibration reset.
- Check Engine Module.
- Ensure the projection screen is 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 well.
- Check multimedia board
- Check main board
- Remote Control
a.Check Battery
b.Check Remote Controller
c. Check multimedia board Check multimedia board
d.Check Main Board
- Control Panel
a.Check FPC cable between multimedia board and Main Board.
b.Check multimedia board. Check multimedia board.
c.Check Main Board.
- Do "Factory Reset" of the OSD Menu Factory Reset" of the OSD Menu
- Check multimedia board
- Check main board
- Ensure that the signal cables and source work well
- Check FPC cable between multimedia board and Main Board.
- Check Speaker Module
- Check Main Board
Procedure
multimedia board and Main Board.
" of the OSD Menu
K130
Confidential
3-3