Panasonic PT-AE900U

6.17. Replacement of Incidence
Polarizer
· The procedure is described as an example of incidence
polarizer (G).
1. Remove the A-P.C.Board block according to the steps 1
through 3 in the section 6.3. "Removal of A-P.C.Board".
2. Mark positions of the incidence polarizer.
Note:
· Mark accurately as possible because the marks will
be used for resetting the incidence polarizer
position.
3. Unscrew the 1 screw and remove the incidence polarizer.
4. Attach a new incidence polarizer and align it with the mark.
5. Tighten the 1 screw polarizer with care not to move the
incidence polarizer position.
6.18. Replacement of PBS Array
(Analysis Block)
1. Remove the A-P.C.Board block according to the steps 1
through 3 in the section 6.3. "Removal of A-P.C.Board".
2. Unscrew the 2 screws and remove the lamp unit terminal.
3. Unscrew the 1 screw and remove the thermofuse
attachment.
4. Unscrew the 3 screws and remove the lamphouse.
5. Unscrew the 2 screws and remove the LCD block.
6. Unscrew the 2 screws.
7. Remove the analysis case (upper) while expanding the
hook of it outside.
Notes:
· Because the hook is damaged easily, be careful not
to expand it excessively.
· The incidence polarizer (R, G and B) is installed in
the analysis case (upper). Handle it with care.
21
PT-AE900U / PT-AE900E