Section 4: Parts and Module Replacement
J Series 1000W and 1200W Service Manual
4-33
020-100725-04 Rev. 1 (07-2015)
NOTE:
The setscrews must be backed out several turns, so that they do not contact the inner lens mount
plate.
5. Fine tune the focus of cross-hair pattern I by adjusting the appropriate cap screw, see
.
Adjust until the cross-hair image is in focus with minimal flare.
6. Adjust cross-hair pattern II, by adjusting the appropriate cap screw, see
.
Adjust until the
cross-hair image is in focus with minimal flare.
7. Adjust cross-hair pattern III, by adjusting the appropriate cap screw, see
. Adjust until the
cross-hair image is in focus with minimal flare.
8. Repeat step 5, 6, and 7 as required until all 3 cross-hair patterns are in equal sharp focus. If the boresight is
acceptable, see step 11. If the boresight does not appear to be converging to an acceptable level of image
quality or if the lens will not focus over the correct range of throw distances, then the boresight requires
coarse adjustment, continue to step 9.
9. The original factory boresight can be recovered approximately by positioning the 3 setscrews, see
4-2(B)
. Position the setscrews flush with the front face of the lens mount plate and in contact with the inner
lens mount plate. This may require adjusting both set screws and cap screws.
10. If further action is required. Repeat step 2.
Figure 4-1 Cross Hair Pattern
Figure 4-2 Screw Locations
Summary of Contents for Christie DS+10K-J
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