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EPSON PowerLite 5000 Service Manual
2-25
Figure 2-25
•
Lens Arrays A and B
After dispersion of the light from the light source lamp by lens arrays A and B, the
brightness is roughly uniform. A UV filter coats the surface of the multi-lens array to
eliminate ultraviolet rays.
The light dispersed through the lens arrays A and B is further
dispersed through the PBS to make the light intensity uniform.
•
CDM
The CDM is a light filter that looks red in visual light. The CDM (A) filter transmits only
red light and reflects blue and green light from the light source.
•
GDM
The GDM is a light filter that looks blue in visual light. The GDM filter transmits only
blue light from the light source. Since the input light to the GDM is only blue and green
light from the CDM as described above, green light is reflected by the GDM and
provided to condenser lens G.
•
Condenser Lens L
Condenser lens L collects the light dispersed by the lens arrays A and B to prevent
reduction and provide light to mirror L in the next stage.
Condenser Lens D
GDM
Condenser Lens L
Mirror L
Lens Adjusting
Screw
Lens Array
Adjusting Springs
Mirror R
Condenser Lens G
Condenser Lens R
Mirror C
Mirror B
Lens Adjusting Screw
Condenser Lens E
Condenser Lens B
Lens Array B
Lens Array A
CDM
Summary of Contents for PowerLite 5000
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Page 2: ...ii PowerLite 5000 Service Manual ...
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