Panasonic PT-EX12KU / PT-EX12KE Service Manual ▷ View online
-49-
Mechanical Disassembly
13-1 Fans removal
1 Remove fans on the bottom of the optical lamp unit.
FN908 with 2 screws-B(T3x40), FN909 with 2 screws-C(T3x40)
2 Remove fans on the top and side of the optical lamp unit.
Remove 4 screws-D(M3x30) and remove the optical lamp unit top.
Remove 1 screw-E(T3x8) and remove 2 screws-F(M4x25) and remove FN911.
Remove 1 screw-G(T3x8) and remove 2 screws-H(M4x25) and remove FN910.
Remove 2 screws-J(T3x12) and remove FN912.
FN908 with 2 screws-B(T3x40), FN909 with 2 screws-C(T3x40)
2 Remove fans on the top and side of the optical lamp unit.
Remove 4 screws-D(M3x30) and remove the optical lamp unit top.
Remove 1 screw-E(T3x8) and remove 2 screws-F(M4x25) and remove FN911.
Remove 1 screw-G(T3x8) and remove 2 screws-H(M4x25) and remove FN910.
Remove 2 screws-J(T3x12) and remove FN912.
C
F
B
H
J
E
G
FN912
FN908
FN909
FN911
FN910
C
B
D
D
D
D
Optical lamp
unit top
unit top
Label side
Label side
Label side
Label side
-50-
Mechanical Disassembly
14 Duct cover assy removal
1 Remove 3 screws-A(M4x6) to remove the frame bottom A. Remove 3 screws-B(T4x10)
and 2 screws-C(M4x6) to remove the frame bottom B.
2 Remove 10 screws-D (T4x10) and remove the duct cover assy upward off.
B
B
Frame bottom B
Frame bottom A
C
B
C
D
D
D
D
D
D
D
D
D
D
A
A
A
Duct cover assy
14-1 Duct cover assy disassembly
1 Remove fans behind the duct cover.
FN901 (K77P) with screws-A(T4x40)
FN904 (K77S) with screws-B(T4x40)
FN902 (K77Q) with screws-C(T4x40)
FN903 (K77R) with screw-D(T4x40)
FN907 (K77E) with screws-E(T4x40)
FN901 (K77P) with screws-A(T4x40)
FN904 (K77S) with screws-B(T4x40)
FN902 (K77Q) with screws-C(T4x40)
FN903 (K77R) with screw-D(T4x40)
FN907 (K77E) with screws-E(T4x40)
FN901
FN904
FN902
FN907
FN903
A
A
B
C
B
C
D
E
E
Label side
Label side
-51-
Disassembly requires a 2.0mm or 2.5mm hex wrench and a screwdriver.
Optical Parts Disassembly
1 Shutter assy removal
2 Panel/Prism assy removal
2 Panel/Prism assy removal
2-1 Polarized glasse(OUT)/pre-polarized glasses removal
2-2 LCD panels removal
3 Polarized glass(IN)/Optical filter assy removal
3-1 Polarized glass(IN)/Optical filter mounting
4 Optical filter (LC-CS) removal
5 Integrator assy removal
6 PBS/Integrator(OUT) assy removal
7 MIrror assy removal
8 Relay lens assy removal
9 Optical unit top removal
5 Integrator assy removal
6 PBS/Integrator(OUT) assy removal
7 MIrror assy removal
8 Relay lens assy removal
9 Optical unit top removal
9-1 Optical parts locations in the optical unit
10 Optical lamp unit top removal
10-1 Optical lamp unit disassembly
10-2 Optical parts locations in the optical lamp unit
Order of optical parts disassembly
1 Shutter assy removal
Remove 1 screw-A (M3x6) to remove the shutter assy upward.
A
Shutter assy
Guides
Guides
Note on mounting the shutter assy
Mount the shutter assy on the panel/prisml assy
carefully to set the holes of the shutter assy onto
the guides of the panel/prism assy.
Mount the shutter assy on the panel/prisml assy
carefully to set the holes of the shutter assy onto
the guides of the panel/prism assy.
Shutter assy
Panel/prism assy
-52-
Optical Parts Disassembly
LCD panel/prism
top view
top view
2 Panel/Prism assy removal
Remove 4 hex screws-A (M2.5x8) to remove the panel/prism assy upward.
A
A
A
A
Panel/Prism assy
A
A
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