Service manual

3.3 MIRROR UNIT
The film image projected through the projection lens [A] is reflected to the
Fresnel lens [B] by the mirror [C].
The Fresnel lens consists of two components, a circle pitch Fresnel lens [D]
and a parallel pitch Fresnel lens [E]. The circle pitch Fresnel lens changes
the divergent light to parallel light. The parallel Fresnel lens collects the light
from the circle pitch Fresnel lens in the main scan direction so that all the
light reaches the color CCD lens [F].
The use of these two types of Fresnel lens makes the most of the light
intensity from the projector lamp.
[A]
[B]
[C]
[F]
[A]
[B]
[C]
[F]
[D]
[E]
Subscan
direction
Main scan
direction
Film Projector
Unit
Spu 3 (A718)
SECTIONAL DESCRIPTIONS
SM 10-5 A166/A187/A189
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA