Service manual

3. Test pattern

Item Test condition Pattern Specification Remark

1 Frequency & performance Cross-hatch pattern No noise is allowed, all colors must

be clear

Pattern 1

2 Monitor saturation 16-gray scale pattern 3 to 4 levels must be saturated when

brightness and contrast are set to

100%

Pattern 2

3 RGB color performance RGB color Check the color temperature of

RGB signal color

Pattern 3,

4, 5

4 Sub-pixel defect RGB color Check the sub-pixel defect Pattern 3,

4 , 5

5 Full white Full white Check the brightness and contrast

ratio, and check for bright pixel

defects

Pattern 6

6 Full black Full black Pattern 7

7. 5-cycle pattern 5-cycle pattern Check the BU Pattern 8

8. 1-dot pattern 1-dot pattern Check the flicker Pattern 9

Pattern 1 Pattern2

Pattern 3 Pattern4

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