Item Trouble Shooting Guide
1 Brightness
1. Change lamp
2 Uniformity
1. Change lamp
3 FOFO Contrast
1. Check ADC calibration
2. Check user’s menu brightness & contrast are default
3. Clean DMD
4. Clean PL
5. Check ILL stop assy
4 ANSI Contrast
1. Clean PL
2. Clean DMD
3. Change PL
5 Color
1. Check color wheel delay
2. Check CW 50% point. Replace CW if necessary
6 Color Uniformity
1. Change lamp
7 Blue Edge
1. Refer to next page
2. Change CM
3. Change SUB HSG
8 Blue/Purple Border
1. Refer to next page
2. Change CM
3. Change SUB HSG
9 Focus
1. Change Projection Lens
2. Check PL datum and DMD parallel
10 Dust
Clean DMD
11
Horizontal/Vertical
Strips
1. Check connector between chip BD and Main BD
2. Re-install DMD with chip BD
3. Check if any pin of C-Spring is missing, damaged or dirty
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