The Optical Unit Outline - Sharp XR-1X Service Manual

Layout for proper setup of the optical components and parts (top view)
(Schematic diagram)
Reflection mirror
Item
Lamp
Color wheel
Rod
Illumination lenses
Reflection mirror
Field lens
DMD
Projection lens

THE OPTICAL UNIT OUTLINE

DMD
Light source. DC high-pressure mercury lamp.
Splits light from the light source into R, G, B and W through a color filter.
Assures uniform light ray.
Focus light from the rod on DMD.
Reflects light from the illumination lenses toward DMD.
Focuses light from the reflection mirror on DMD and then the light from DMD to
the projection lens.
Turns the internal micromirror ON/OFF at the rate of color component of each dot
of the input source to reflect light.
Enlarges light from DMD and projects it on a screen.
Projection lens
Illumination lenses
Color wheel
Lamp
Rod
Field lens
Function
25
XR-1X