JVC 250 - Manual (Page 40)

Chapter 4---Optical
Model 250 Service Manual 4-7
Figure 4-4 Arc Lamp Assembly top view.
4.2 Optical Path
Optical Path - Main Function
! Transports the Arc Lamp high intensity light from the Arc Lamp to the
ILA
®
and from the ILA
®
to the Projection Lens
! Removes the Infrared light that contains most of the heat
! Removes the unwanted Ultraviolet light
! Condenses the white light using the Light Pipe for a uniform output
! Separates the white light into its RGB component colors using Dichroic
Beamsplitters.
! Polarizes each of the component RGB light beams
! Combines the component RGB image beams into one beam and delivers
that to the Projection Lens.