Rev. 03
Company Confidential Optoma_______________________ Delta____________
19
2007/02/08
Check the
Projection
Check using all black/white screens with
PC connection
Are abnormalities
noticeable on
1. Check Black lines on screen (horizontal and vertical).
→
DMD Set malfunction.
2. Check Missing pixels (Missing white: 1 or more, missing black: 5 or more,
or sequence missing pixels).
→
DMD Set malfunction.
3. Check Shadows on screen.
→
Dirt on DMD/projection lens surface.
4. Check Bluish shadows on corners of screen (during white screen display).
→
Shifted optical
axis of Lens Base Unit.
POWER:
3
Blinks
1. Check Temperature protector operated due to the increase in
temperature based on operating environment
2. Check Temperature protector operated due to blocked suction and
exhaust holes or dirty fan
System OK
Normal operation
YES
YES
NO
NO