P7280/P7270I/P7280 Refresh/P7270I Refresh
Confidential
3-4
No
Symptom
Procedure
7
Image Flicker
- Do “Reset(All data)” of the OSD Menu
- Ensure that the signal cables and source are work as well
- Check Lamp Module
- Check Color Wheel
- Check DMD Board
- Check Main Board
8
Color Abnormal
- Do “Reset(All data)” of the OSD Menu
- Adjust Color Wheel Index
- Check Main Board
- Check Color Wheel
9
Poor Uniformity/
Shadow
- Ensure the projection screen without dirt
- Ensure the projection lens is clean
- Ensure the Brightness is within spec
- Check rod alignment
- Check Engine Module
10
Dead Pixel/Dust
(Out of spec.)
- Ensure the projection screen without dirt
- Ensure the projection lens is clean
- Clean DMD Chip and Engine Module
- Check DMD Chip
- Check Engine Module
11
Garbage Image
- Ensure that the signal cables and source work as well
- Check Main Board
- Check DMD Board
Содержание P7270I Refresh
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Страница 151: ...P7280 P7270I P7280 Refresh P7270I Refresh Confidential 22 SUB ASSY TOP SHIELDING MODULE P7270I P7270I Refresh ...
Страница 153: ...P7280 P7270I P7280 Refresh P7270I Refresh Confidential 24 ASSY PCBA MODULE P7270I P7270I Refresh ...
Страница 158: ...P7280 P7270I P7280 Refresh P7270I Refresh Confidential 29 ASSY COLOR WHEEL MODULE P7270I P7270I Refresh ...