Epson RS-353, Service Manual

Page: 33 / 130

2.1.2 OPTICAL SYSTEM CONNECTIONS
The optical systems consists of 4 blocks LAMP INNER/OUTER HOUSING, LIGHT
GUIDE UNIT, OPTICAL HEAD, and PROJECTION LENS) as shown below.
Lamp inner/outer housing
\
Light guide unit Optical head
Projection lens
Optical head
Figure
Figure 4
UNIT NAME
FUNCTION REMARKS
LAMP NNER/OUTER
nc ude one METAL HAL I DE LAMP as a I ght source. Lamp
I NG inner housing and outer housing aie mounted
LIGHT GUIDE UNIT Disperse the light from the Light Source
and uniform by the LENS ARRAY A/B.
Disperse the light in three (R/G/B) factors.
PROJECT ION LENS 4) and Focus adjustment
2-3