Dmd Panel Alignment - BenQ MP611 Product Service Manual

generator
Procedure:
1 Connect power, D-sub, into projector.
2 Light on projector.
3. Testing below patterns and resolution is
(1) General-1 pattern. (Pattern 1)
(2) 32 grays pattern. (Pattern 48)
(3) White pattern. (Pattern 41)
(4) SMPTE pattern. (Pattern 5)
3 The formatter board would be note fail if above three image-quality is not good.
4 Test the connection between formatter board to keypad board and IR board.
5 The formatter board would be note fail if there are some wires is broken in formatter
board.

5. DMD Panel Alignment

Equipment: -Pattern Generator
Procedure:
1 Connect power, Video signal into projector.
2 Light on projector
3 Change pattern generator to full white pattern.
4 Watch the image if any pixel lost
5 Change pattern to full black.
6 Watch the image if any pixel lost
7 Change pattern from full black to full white.
8 Watch the image if any pixel can not return
9 Change pattern from full black to full white.
10 Watch the image if any pixel can not return
11 If above 8 step has some pixel lost or can not return, it's DMD chip has pixel defect
12 Change to the Slid Line pattern
13 Watch the image if any pixel lost
14. If above step has some pixel lost, it's conductive socket has defect or assembly loosed.
1024*768@60Hz (XGA);
80
800*600@60Hz (SVGA)