Sharp XG-MB50X Service Manual page 23

If shading shown in Figure 1 appears on the screen after replacing DMD, turn the adjustment screw of the optical
engine to adjust the lighting area of DMD.
1. Loosen the adjustment lever fixing screw 1. After adjusting the lighting area with the adjustment lever 2, tighten
the adjustment lever fixing screw 1.
When mounting DMD, tighten the 4 screws evenly.
Tightening order: 1→2→3→4
Screw torque: 0.44 ± 0.05 N·m
23
XG-MB50X
XR-11XC
XR-10X/S
XR-20X/S
Fig. 1
Shading