Optoma ML300 Service Manual page 26

No Symptom
9 Color Abnormal
Poor Uniformity/
0
Shadow
 Garbage Image
Remote Control
12
Failed
3 Function Abnormal
14 Audio Abnormal
- Do "Factory Reset " of the OSD Menu
- Do LED calibration reset.
- Check R,G,B LED Board.
- Check Main Board
- Check DMD Board
- Ensure the projection screen is without dirt
- Ensure the projection lens is clean
- Do LED calibration reset.
- Check R,G,B LED Board.
- Check Engine Module.
- Ensure that the signal cables and source work well.
- Check Daughter Board Daughter Board Board
- Check Main Board
- Check Battery.
- Check Remote Controller. Check Remote Controller.
- Check Check Keypad Board Board
- Check Main Board Check Main Board
- Do "Factory Reset " of the OSD Menu
- Check Daughter Board
- Check Main Board Main Board
- Ensure that the signal cables and source work well
- Check FPC cable between Daughter Board and Main Board.
- Check Speaker Module
- Check Main Board
Procedure
ML300
Confidential
3-3