Optical Problems Checking Items - Acer X1230S series Service Manual

Optical Problems Checking Items

No. Item
1 Brightness
2 Uniformity
3 FOFO Contrast
4 ANSI Contrast
5 Color
6 Color Uniformity
7 Blue Edge
8 Blue/Purple Border
9 Focus
10 Dust
Horizontal/Vertical
11
Strips
12 Pixel Fail
Trouble Shooting Guide
1. Change lamp
1. Change lamp
1. Check ADC calibration
2. Check user's menu brightness & contrast are default
3. Clean DMD
4. Clean PL
5. Check ILL stop assy
1. Clean PL
2. Clean DMD
3. Change PL
1. Check color wheel delay
2. Check CW 50% point. Replace CW if necessary
1. Change lamp
1. Refer to next page
2. Change CM
3. Change SUB HSG
1. Refer to next page
2. Change CM
3. Change SUB HSG
1. Change Projection Lens
2. Check PL datum and DMD parallel
Clean DMD
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
4. Change new Chip BD/C-Spring
5. Change new DMD
Change new DMD
60