Optoma ZW210ST Serivce Manual page 37

No Symptom
7 Image Flicker
Dead Pixel / Dust
8
(Out of spec.)
9 Color Abnormal
Poor Uniformity/
0
Shadow
 Garbage Image
Remote Control
2
Failed
3 Audio Abnormal
- Do "Factory Reset " of the OSD Menu
- Ensure that the signal cables and source work well
- Check Main Board
- Check Phospher wheel - Check Phospher wheel
- Check Driver Board
- Check Daughter Board
- Check Photo sensor board
- Ensure the Projection Screen without dirt
- Ensure the Projection Lens is clean
- Clean DMD Chip and Engine Module
- Check DMD Chip
- Check Engine Module
- Do "Factory Reset " of the OSD Menu
- Do LED calibration reset.
- Check R,B LED
- Check G LD Module
- Check Main Board
- Check Daughter Board Daughter Board
- Check Phospher wheel
- Ensure the projection screen is without dirt.
- Ensure the projection lens is clean.
- Do LED calibration reset.
- Check R,B LED.
- Check G LD Module
- Check Phospher wheel
- Check Engine Module.
- Ensure that the signal cables and source work well.
- Check Main Board
- Check DMD Board
- Check Battery.
- Check Remote Controller.
- Check Keypad Board
- Check IR Sensor Board
- Check Main Board
- Ensure that the signal cables and source work well
- Check Speaker Module
- Check Main Board
ZW20ST/ZX20ST
Procedure
Confidential
3-3