ViewSonic VA912-4 Service Manual page 30

3. Test pattern
Item Test condition
1 Frequency & performance
2 Monitor saturation
3 RGB color performance
4 Sub-pixel defect
5 Full white
6 Full black
7. 5-cycle pattern
8. 1-dot pattern
ViewSonic Corporation
Pattern
Cross-hatch pattern
16-gray scale pattern
RGB color
RGB color
Full white
Full black
5-cycle pattern
1-dot pattern
Pattern 1
Pattern 3
Specification
No noise is allowed, all colors must
be clear
3 to 4 levels must be saturated when
brightness and contrast are set to
100%
Check the color temperature of
RGB signal color
Check the sub-pixel defect
Check the brightness and contrast
ratio, and check for bright pixel
defects
Check the BU
Check the flicker
Confidential - Do Not Copy
27
Remark
Pattern 1
Pattern 2
Pattern 3,
4, 5
Pattern 3,
4 , 5
Pattern 6
Pattern 7
Pattern 8
Pattern 9
Pattern2
Pattern4
VA912-4_VA912b-4