Optical System Layout - 3M MP8610 Service Manual

3M ™ Multimedia Projector MP8610
4-8.

Optical System Layout

Notice that the optics module is composed of a lamp, a fresnel lens, and an LCD panel.
Cold
Mirror
IR and
UV Light
Lamp
Reflector
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Lamp Side
Condenser
Fresnel
Lens
Hot
Lamp
Mirror
IR Light
UV Light
Lamp
Projects light.
Fresnel Lens
Magnifies the projection image.
Polarizer
Allows light waves, at the right angle, to pass
through
Hot Mirror
Heat management device that passes the light
and reflects heat, IR and UV light.
Cold Mirror
Heat management device that reflects the light
Reflector
and passes heat, IR and UV light.
LCD Panel
Positions the liquid crystal cells that form an
image.
Lens Side
Fresnel
LCD
Polarizer
Theory and Diagrams
Lens
4-7