Eiki EIP-WSS3100 Service Manual page 52

Pixel specification
SEQ # TEST
1 Dark Blemish
2 Bright Blemish
3 Reset Boundary
Artifact
4 Eyecatchers
Border Artifacts
5 Projected Images
6. Focus Test
Procedure
Inspection item
Criteria
SCREEN
Blue 60
Gray 10
Gray 30
Black
1. Any screen
2. Gray 10
3. Any screen
4. Gray 10
5. White
6. Any screen
7. Black or White
- Test equipment: video generator.
- Test signal: analog 1280 x 800@60Hz
- Test Pattern: full screen
- Focus check
- From screen 655mm via visual to check focus,
look at the entire screen, focus shall be clear,
crisp, and sharp over the entire surface of
the display pattern. (Blur word on one of the
corner after adjustment is acceptable. However,
the word should at least be recognizable.)
ACCEPTANCE CRITERIA
1. ≤4 visible dark blemishes are allowed in the active area
2. The size: ≤ 55.4 mm @87.2
1.≤ 4 visible light blemishes are allowed in the active area
2. The size: ≤ 55.4 mm @87.2
1. No reset boundary artifacts allowed
1. Eyecatcher and border artifacts are allowed
1. No adjacent pixels
2. No bright pixels in active area
3. No unstable pixels in active area
4. ≤ 1 bright pixel in the POM
5. ≤ 6 dark pixels in the active area
6. No DMD window aperture shadowing on the active area
7. Βlemishes are allowed
Full screen
Confidential
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