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6-2 Replacing The LCD/PRISM assembly
You should not replace separately the parts of the LCD/PRISM assembly. In case of a failure in any parts of
LCD/PRISM assembly, replace the whole LCD/PRISM assembly.
6-3 Cleaning up dust from panels and optical filters
1. Preparation
Please prepare cleaning tools and materials as follows. And prepare relatively clean room not to work in
additional dust, while removing operation.
(1) Swab for cleaning : P#: NX08061, "Cotton stick L147"
(2) Air duster (Dust blower, spray can)
(3) Vacuum cleaner
2. Disassemble and open the maintenance hole.
(1) Turn off the projector, and unplug the power cord.
(2) Remove the top cover, according to the notice 1 of chapter 8.
(3) Remove the PWB assembly MAIN, according to the notice-2 of the chapter 8.
(4) Remove the Panel Cover.
(5) Re-assemble the PWB assembly MAIN, and re-connect toward projection lens.
Then place the board vertically shown above so that LCD panels can be seen.
Note that connectors for LCD panels should be empty.
ViewSonic Corporation
Connect cables
PWB assembly MAIN
Connect cables
Panel Caver
17
Do not disassemble the unit
because replacement of separate
parts is not possible.
LCD/PRISM ASSY
Flexible cables of LCD panel
Confidential - Do Not Copy
PJ400-2
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