ViewSonic PJ513D-1 Service Manual page 34

(4) SMPTE pattern. (Pattern 5)
4. The main board would be note fail if above four image-quality is not good.
5. Test the connection between main board and IR board.
6. The main board would be note fail if there are some broken occur in wire or main board.
3. 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.
4. PC Alignment Procedure
Equipment:
Pattern generator (Chroma-2250)
-
OSD Default value:
Item
Cal R Offset
Cal G Offset
Cal B Offset
Cal R Gain
Cal G Gain
Cal B Gain
YPbPr R Offset
YPbPr B Offset
ViewSonic Corporation
Value
127
127
127
127
127
127
127
127
31
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PJ513D-1