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XG-MB67X
CHAPTER 6.
XG-MB67X
THE OPTICAL UNIT OUTLINE
[1] THE OPTICAL UNIT OUTLINE
Layout for proper setup of the optical components and parts (top view)
(Schematic diagram)
Reflection
mirror
Plastic Lens
DMD
Item
Lamp
UV/IR cut filter (UV GLASS)
Color wheel
Rod (ROD INTEGRATOR)
Illumination lens
(ILLUMINATION LENS 1, 2)
Reflection mirror
Condencer Lens
(PLASTIC LENS)
DMD
Projection lens
Projection lens
Color wheel
Rod Integrator
Light source. DC high-pressure mercury lamp.
Filters out harmful UV and IR rays from the 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.
Condenses the light from the reflection mirror to the DMD and the pupil of 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.
6 – 1
Service Manual
Illumination lens 2
Illumination lens 1
UV Glass
Function
Lamp
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