Projection Lens Focus Adjustment - Sanyo PLC-XL50A Service Manual

Projection lens focus adjustment

[ Before Adjustment ]
1
The projector is set from the screen to 8 cm.
2
The hole of the focus ring is set to the position of figure by operating
the focus lever. (Screen size 78")
3
Input a cross pattern.
4
The position of the projector is matched so that the picture may be-
come a rectangle. (Do not become a trapezoid. )
Good
NG
NG
Focus adjusted this area.
Projection lens
Focus ring hole
8 cm
- 39 -
Optical Adjustments
Focus lever