Acer S5301WB 用户手册
76
Optical & Optical Engine Trouble Shooting Guide
No. 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 Item#2-1 (attached below)
2. Change CM
3. Change SUB HSG
8
Blue/Purple Border
1. Refer to Item#2-1(attached below)
2. Change CM
3. Change SUB HSG
9
Focus
1. Change Projection Lens
2. Check parallel between PL datum and DMD
10
Dust
Clean DMD
11
Horizontal/Vertical
Strips
Strips
1. Check connector between chipBD and MainBD
2. Re-install DMD with chipBD
3. Check if any pin of C-Spring is missing, damaged or dirty
4. Change new ChipBD/C-Spring
5. Change new DMD
12
Pixel Fail
Change new DMD
2-1. “Blue Edge” Trouble Shooting:
I. Re-adjust “Overfill” first.
For Overfill Re-adjustment:
i. Those 2 Adjustment Screws must be released for around 2 mm first.
ii. Alignment Sequence:
a.
To adjust “Horizontal Adjustment Screw” firstly, then “Vertical Adjustment
Screw”.
b.
Refer to Figure 2-1..