Sharp PGF310X - Notevision XGA DLP Projector, Service Manual, Page: 23 / 164

PG-F310X/XG-F315X
3 – 1
XGF315X
Service Manual
CHAPTER 3.
THE OPTICAL UNIT OUTLINE
[1] THE OPTICAL UNIT OUTLINE
1. 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
(ILLUMINATION LENS 1, 2) Focus light from the rod on DMD.
Reflection mirror Reflects light from the illumination lenses toward DMD.
Condenser Lens
(PLASTIC 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