Sanyo PLV-55WHD1 Service Manual page 70

Optical adjustments
2-2. Vertical centering adjustment
When the picture is shifted to right or left, adjust the picture vertically.
1. Loosen the 4 screws A from the lens shift unit.
2. Project the circular pattern on screen.
3. Turn the adjustment cam C to right or left and adjust the position to
project the picture on just center of the screen.
4. Tighten the 4 screws A.
Picture image movement
Screw-A
Adjustment cam-C
- 70 -
Vertical centering
Screw-A