Panasonic PT-VW431DU / PT-VW431DE / PT-VW431DEA Service Manual ▷ View online
-25-
Mechanical Disassembly
Fig.6
6. Power box assy removal
1. Remove 10 screws-A (T3x8) and 1 screw-C(M4x6) to remove the power box assy.
2. Remove 2 screws-D (T3x6) and 2 screws-E (T3x8) to remove
POWER
board.
Power box assy
A
A
A
C
E
D
D
A
A
A
A
A
A
A
E
POWER board
T3x8
T3x8
T3x8
T3x8
T3x6
T3x6
T3x8
T3x8
T3x8
T3x8
(T3x30)x2
T3x6
FN909
AC 2ND FILTER
board
BALLAST
board
-26-
Mechanical Disassembly
7. Fan(FN907) and duct assy removal
1. Remove 2 screws-A (T3x8) and 1 screw-B (T3x14) to remove the MTG DCT PBS.
2. Remove 1 screw-C (T3x14) to remove FN907.
3. Remove 1 screw-D (T3x8) and 1 screw-E (M4x6) to remove the MTG DCT LCD shiled.
4. Remove 3 screw-F (T3x10) and 4 screws-G(T3x8) and 1 hook H to remove MTG DCT LCD.
A
A
B
C
F
D
F
F
G
E
G
G
G
MTG DCT PBS
FN907
MTG DCT
LCD
MTG DCT
LCD shiled
Hook H
Fig.7
-27-
Mechanical Disassembly
Fig.7-1
7-1. Duct and fans removal
1. Loosen 8 hooks to separately remove the MTG DCT PBS and MTG DCT LCD.
2. Remove 6 screws-A (T3x12) to remove the FN906,FN905,FN903 and FN901.
3. Pull out the spacer sheet DCT LCD, then remove 2 screws-B (T3x12) to
remove the FN904.
FN906
FN905
FN903
FN901
FN904
Spacer sheet DCT LCD
MTG DCT LCD
MTG DCT PBS
Shiled
DCT LCD
A
Hooks
MTG DCT
PBS
MTG DCT LCD
Hooks
A
A
A
A
A
A
A
B
B
-28-
Mechanical Disassembly
8. Fan(FN902) and filter house removal
1. Remove 2 screws-A (M4x6) and 1 screw-B(T3x8) to remove the filter house.
2. Remove 2 screws-C (T3x12) to remove the fan (FN902).
C
C
A
B
Filter house
FN902
A
Fig.8
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