Panasonic PT-VW355N / PT-VW355ND / T-VW355NT / PT-VX425N / PT-VX425ND / PT-VX425NT (serv.man2) Service Manual ▷ View online
DIS-5
SECTION 2 DISASSEMBLY PROCEDURES
1. Remove 3 screw-A (T3x8) to remove [A]/[J]-P.C.Board assy.
A
A
A
[A]/[J]-P.C.Board assy
Wireless LAN module
2.4. [A]/[J]-P.C.Board assy removal
1. Remove 3 screws-A (M3x6) and 4 hex-screws-B to remove the [A]-P.C.Board.
2. Remove 3 screws-C (T3x6),2 screws-D (M3x6) and 2 hex-screws-E to remove
the [J]-P.C.Board, then release the 4 hooks to remove the AV panel.
2. Remove 3 screws-C (T3x6),2 screws-D (M3x6) and 2 hex-screws-E to remove
the [J]-P.C.Board, then release the 4 hooks to remove the AV panel.
[A]-P.C.Board
E
B
B
AV panel
2.4.1. [A]/[J]-P.C.Board removal
A
C C
C
D
D
[J]-P.C.Board
AV shield
A
A
B
B
E
Hooks
DIS-6
SECTION 2 DISASSEMBLY PROCEDURES
1. Loosen 3 screws-A to remove the lamp.
2. Remove 5 screws-B(T3x8) to remove the lighting assy.
3. Remove 3 screws-C (T2.5x8) to remove optical shield
2. Remove 5 screws-B(T3x8) to remove the lighting assy.
3. Remove 3 screws-C (T2.5x8) to remove optical shield
and Iris assy.
4. Remove 2 screws-D (T3x8) to remove the fan&duct assy.
2.5. Lamp intake fan, lamp, lighting assy removal
Lighting assy
IRIS assy
Optical
shield
shield
Lamp assy
(LP900)
(LP900)
Fan&duct assy
D
D
C
C
C
B
B
B
B
B
A
A
A
When removing the iris assy, take the
iris with its blades closed. When turning
the gear on the iris in the arrow direc-
tion, the blades of iris will be closed. Do
not touch the blades because they are
precious parts.
iris with its blades closed. When turning
the gear on the iris in the arrow direc-
tion, the blades of iris will be closed. Do
not touch the blades because they are
precious parts.
MTG duct top
Guide air flap
Lamp
intake fan
intake fan
MTG duct bottom
Turn the wire from the fan at the
hooks on the filter board holder.
hooks on the filter board holder.
(T3x10)x2
DIS-7
SECTION 2 DISASSEMBLY PROCEDURES
2.6. [K]-P.C.Board, lamp exhaust fan assy removal
1. Remove 2 screws-A (T3x8) to remove [C]-P.C.Board.
2. Remove 1 screw-B (T4x8) and 2 screws-C (T3x8) to remove the AC Inlet.
3. Remove 1 screw-D (T3x12) to remove the [K]-P.C.Board assy, then remove 2 screws-E
2. Remove 1 screw-B (T4x8) and 2 screws-C (T3x8) to remove the AC Inlet.
3. Remove 1 screw-D (T3x12) to remove the [K]-P.C.Board assy, then remove 2 screws-E
(T3x10) and 1 screw-F(M3x6) to remove [K]-P.C.Board.
4. Remove 4 screws-G (T3x10) and 1 screw-H (M3x6)to remove the power shield.
5. Remove 3 screws-J(T3x8) to remove the Lamp exhaust fans assy.
6. Remove 1 screw-K(T3x8) to remove the lamp socket.
5. Remove 3 screws-J(T3x8) to remove the Lamp exhaust fans assy.
6. Remove 1 screw-K(T3x8) to remove the lamp socket.
A
E
F
G
G
G
G
H
J
J
J
J
K
E
C
C
[C]-P.C.Board
Lamp exhaust fan
assy
assy
Lamp socket
Power shield
Light shield
Lamp house
[K]-P.C.Board
Filter holder
Filter shield
AC Inlet
A
B
D
Note:
When removing screws-A which are to fix
the [C]-P.C.Board, the special screwdriver
is needed as the below;
Star screwdriver size : T10
When removing screws-A which are to fix
the [C]-P.C.Board, the special screwdriver
is needed as the below;
Star screwdriver size : T10
Shading plate
*Note: To prevent damaging the shading plate, do not
press or move the shading plate with your hands
or other tools during the repairing.
DIS-8
SECTION 2 DISASSEMBLY PROCEDURES
2.7. Power box assy and speaker box removal
1. Remove 2 screws-A(T3x8) to remove the speaker box.
2. Remove 1 screws-B (T3x8) to remove the thermal fuse.
3. Remove 1 screw-C (T3x10) and 1 screw-D (T3x12) to remove power box.
4. Remove 2 screws-E (T3x10) to remove the [P]-P.C.Board.
2. Remove 1 screws-B (T3x8) to remove the thermal fuse.
3. Remove 1 screw-C (T3x10) and 1 screw-D (T3x12) to remove power box.
4. Remove 2 screws-E (T3x10) to remove the [P]-P.C.Board.
Power box assy
E
E
C
D
A
B
A
[P]-P.C.Board
Speaker box
Spacer boss
Thermal
fuse
fuse
[BG]-P.C.Board
Power box
Power exhaust
fan
fan
Fan shield
(T3x16) x4
(T3x8) x2
Top view of the fuse mounting
Lug
Thermal fuse
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