Panasonic PT-VZ570 Service Manual page 54

SECTION 2 DISASSEMBLY PROCEDURES
3.2.2 Optical block mounting (only for VW530/VX600/VX60)
1. Mount the optical block onto the base mount as shown in the figure.
2. Gently press bottom part of the optical block in the arrow direction and fix it by tighten 4 hex-screws in the numerical order
in the figure.
3.2.3. Polarizer-out replacement
Before replacing the polarizer, refer to "Note on handling of inorganic polarizer" on item 4. optical parts cleaning.
1. R emove each polarizer. As the polarizers are attached with adhesive tape, remove them carefully.
<Note> W hen replacing, pay attention not to scratch or break the surrounding parts (Prism , LCD panel, etc.). As the part
of LCD panels are adjusted preciously at the factory, handle the optical block not to apply any power force on it.
We recommend that the projection lens should be mounted on the optical block while taking the replacement.
• Insert the edge of flat screw driver into the adhesive part of the polarizer and remove it bit by bit by turning the driver.
(See below figure)
AL evaporated side
(In-coming side)
Polarizer OUT(B)
(Inorganic type)
Optical block
Base mount
Green marker (behind)
Polarizer OUT(G)
(Inorganic type)
AL evaporated side
(In-coming side)
AL evaporated side
(In-coming side)
Red marker
Polarizer OUT(R)
(Inorganic type)
Blue marker (behind)
DIS-14
l
k
Polarizer OUT(G)
Flat screw driver
j
m