Sharp DT-100, Service Manual

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22
DT-100
THE OPTICAL UNIT OUTLINE
Layout for proper setup of the optical components and parts (top view)
(Schematic diagram)
Item Function
Lamp Light source. DC high-pressure mercury lamp.
UV/IR cut filter (UV GLASS) Filters out harmful UV and IR rays from the lamp.
Color wheel Splits light from the light source into R, G, B and W through a color filter.
Rod (ROD INTEGRATOR) Assures uniform light ray.
Illumination lens Focus light from the rod on DMD.
Reflection mirror Reflects light from the illumination lenses toward DMD.
Condencer Lens Condenses the light from the reflection mirror to the DMD and the pupil of the
projection lens.
DMD Turns the internal micromirror ON/OFF at the rate of color component of each dot
of the input source to reflect light.
Projection lens Enlarges light from DMD and projects it on a screen.
DMD
Plastic Lens
Rod Integrator
Lamp
Reflection
mirror
Color wheel
Illumination lens 2
Projection lens
Illumination lens 1
UV Glass
(PLASTIC LENS)
(ILLUMINATION LENS 1, 2)