Hitachi VK-U174 Service Manual page 31

Disassembly and Reassembly > Disassembly
Image Sensor and Lens (Fig. 5-2-7)
15) Remove two screws [E] and remove image
sensor, the crystal filter and rubber also
removed. Be careful not damage and lost
them.
Procedure and caution for reassembly
The crystal filter used in VK-U174/U174E
has a fixed orientation: Set it so that the
plane without color is in contact with the
image sensor, and the plane with color is
in contact with the lens.
[E] M1.7×5
(Silver)
WITHOUT
COLOR
WITH
COLOR
5 - 4
15) SCREWS [E]
IMAGE
SENSOR
RUBBER
SHEET
CRYSTAL
FILTER
LENS
Fig. 5-2-7