Optoma EP1690 Service Manual page 41

No Symptom
3 No Image
4 No Light On
5 Mechanical Noise
6 Line Bar / Line
Defect
7 Image Flicker
8 Color Abnormal
- Ensure the Signal Cable and Source work
(If you connect multiple sources at the same time,
use the "Source" button on the control panel to
swtich)
- Ensure all connectors are securely connected and
aren't broken
- Check Main Board
- Check DMD Board
- Check Color Wheel
- Check DMD Chip
- Check Engine Module
- Ensure all connectors are securely connected and
aren't broken
- Check Lamp Module
- Check DC-DC
- Check Ballast
- Check Main Board
- Check Color Wheel
- Check Fan Module
- Check if the DMD Chip and the DMD Board are
assembled properly
- Check DMD Board
- Check DMD Chip
- Check Main Board
- Do "Reset" of the OSD Menu
- Ensure the Signal Cable and Source work
- Check Lamp Module
- Check Color Wheel
- Check DMD Board
- Check Main Board
- Do "Reset" of the OSD Menu
- Adjust Color Wheel Index
- Check Main Board
- Check DMD Board
- Check Color Wheel
3-2
Procedure
EP690 / OP280 / OP40