Inspection Criteria - BenQ MP611 Product Service Manual

5.3.13. PART III INSPECTION CRITERIA
5.3.13.1. IMAGE QUALITY SPECIFICATION:
SEQ # TEST
1 Major Dark
Blemish
2 Major Light
Blemish
3 Eyecatcher
4 Streaks
5 Projected Images
Notes:
1. Projected blemish numbers include the count for the shadow of the artifact in addition to the
artifact itself, so that the count usually represents a single artifact on the window.
2. No blemish shall be more than 5 inches long or have a total area of more than 5 square inches on a
60 inch diagonal projected image. ( <= 1/2 inch for Major Blemish tests )
3. During all Table 1 tests, projected images shall be inspected in accordance with the conditions of
inspection specified in Section 3.
4. The rejection basis for all cosmetic DMD defects (scratches, nicks, particles) will be the projected
image tests referenced in Table 1.
5. Any other image quality issue not specifically defined in this document shall be acceptable.
6. Black screen shall not be used as a basis for rejecting DMD for image quality.
SCREEN
Two Zone Blue 1. No blemish will be darker than Microsoft Blue 60 in the critical
60 zone
≦2 blemish in the Non-critical zone
No blemish will be ＞ 1/2" long/ diameter
Two Zone Gray 1. No blemish will be lighter than Microsoft Gray 10 in the critical
10 zone
2. ≦2 blemishes in the Non-critical zone
3. No blemish will be ＞ 1/2" long/ diameter
Gray 10 No Eyecatcher will be lighter than Microsoft Gray 10
Blue 60 No streaks.
Gray 10
White
Any screen No adjacent pixels
No bright pixels in Active Area
No unstable pixels in Active Area
≦1 bright pixel in the SOM
≦4 dark pixels
≦6 minor blemishes
No DMD window aperture shadowing on the Active Area
ACCEPTANCE CRITERIA
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