ViewSonic N4200w-1 VS10945-1M Service Manual page 22

- Test Condition
Before function test and alignment, each LCD TV should be warmed up for at least 30 minutes with the
following conditions:
(a) In room temperature,
(b) With full-white screen, RGB, and Black
(c) With cycled display modes,
- Test Display Modes & Pattern
Mode Compatibility Table
Function Test Display Pattern
Item Test Content
1
Frequency and
Tracking
2
Contrast/Brightness
Boundary
3
4 RGB Color
Performance
ViewSonic Corporation
1. 720 x 400 @ 70Hz
2. 640 x 480 @ 60Hz
3. 640 x 480 @ 75Hz
4. 800 x 600 @ 60Hz
5. 800 x 600 @ 75Hz
6. 832 x 624 @ 75Hz
7. 1024 x 768 @ 60Hz
8. 1024 x 768 @ 75Hz
9. 1280 x 720 @ 60Hz
10. 1280 x 768 @ 60Hz
11. 1280 x 1024 @ 60Hz
12. 1360 x 768 @ 60Hz
13. 480I(60Hz)
14. 480p(60Hz)
15. 720p(50Hz)
16. 720p(60Hz)
17. 1080i(60Hz)
Pattern
Fine Line Moire Eliminate visual wavy noise
16 Gray Scale 16 gray levels should be
distinguished by bare eyes
Horizontal and Horizontal and Vertical position of video
Vertical should be adjustable within the screen
Thickness frame
RGB Color Contrast of each R, G, B, color
Intensities should be normal
21
Specification
Confidential - Do Not Copy
Remark
Figure 1
Figure 2
Figure 3
Figure 4,
5, 6
N4200w-1