Optoma HD82 Serivce Manual page 42

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No
Symptom
7
Image Flicker
8
Color Abnormal
Poor Uniformity/
9
Shadow
Dead Pixel/Dust
0
(Out of spec.)

Garbage Image
- Do "Reset(All data)" of the OSD Menu
- Ensure that the signal cables work as well
- Check Lamp Module
- Check Lamp Driver
- Check Color Wheel
- Check DMD Board
- Check Main Board
- Check Daughter Board
- Check Formatter Board
- Do "Reset (All data)" of the OSD Menu
- Adjust Color Wheel Index
- Check Main Board
- Check Formatter Board
- Check DMD Board
- Check Color Wheel
- 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 dirty
- 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 Daughter Board
- Check Formatter Board
- Check DMD Board
Procedure
HD82/HD8200
Confidential
3-4

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