3M
Multimedia Projector MP8670/8745/8755/8770
Adjustments
Copyright
2000, 3M IPC. All Rights Reserved.
1-5
1-6-3.
Convergence Check
Follow these steps to check the Red and Blue LCD panels with the Green panel.
1.
Input the SVGA VESA (60) cross-hatch timing signal or equivalent. (MP8670).
OR
Input the XGA VESA (60) cross-hatch timing signal or equivalent. (MP8745).
2.
Select red and green and check convergence.
3.
Select blue and green and check convergence.
4.
Select all three colors and check convergence.
5.
If convergence is outside acceptable tolerance, the entire assembly must be replaced. No
convergence adjustment is possible.
Acceptable Tolerance is:
•
1 pixel off at center of screen,
•
1.25 pixels off at outside edge of screen.
