LG Electronics RD-JT41 manual 37

LG RD-JT40/41 Service Manual
			TABLE 1.		Image Quality Specification
	SEQ #	TEST		SCREEN			ACCEPTANCE CRITERIA
	1	Major Dark		Two Zone Blue 60		1.	No blemish will be darker than Microsoft
		Blemish			2.		Blue 60 in the Critical Zone
							No blemish will be > ½” long/diameter
					3.

2Major Light Blemish Two Zone Gray 10 1. No blemish will be lighter than Microsoft Gray 10 in the Critical Zone

			2.	No blemish will be > ½” long/diameter
			3.
3	Eyecatcher	Gray 10	1.	No eyecatcher will be lighter than
				Microsoft Gray 10
	Streaks	Blue 60	1.	No streaks
		Gray 10
		White
	Projected Images	Any screen	1.	No adjacent pixels
			2.	No bright pixels (Active Area)
			3.
			4.
			5.	No DMD window aperture shadowing on
			6.
			7.	the Active Area
				No unstable pixels in Active Area

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

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 screens shall not be used as a basis for rejecting DMDs for image quality.

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