Sanyo PDG-DXT10L Service Manual page 55

Step 6. The function of lens mount adjustment
Projector
Step 7. Adjustment Procedure
a. Move projection lens to be at center position of DMD
b. Rotate fixed screw counterclockwise around 15 to 30 degree (loosen it)
c. Adjust the image adjustment screw to make image on screen from corner position
to center position to be clear
d. Tighten the fixed screw
Screw for
adjustment
Image
curvature
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PDG-DXT10L
Screen