Panasonic PT-TW341R (serv.man3) Service Manual ▷ View online
-21-
Mechanical Disassembly
1. Remove 2 screws A (M3x8) and 2 screws B (T3x8) to remove the
MAIN board unit
.
MAIN board unit
B
A
A
B
3. MAIN board removal
1. Remove 2 screws A (M3x8) and 2 screws B(T3x8) and unhook 6 hooks on the AV panel and remove AV panel.
2. Remove 6 hex screws C and 1 screw D(M3x8) to remove the AV terminal plate from the MAIN board.
3. Remove 2 screws E (M3x8) to remove the Interactive adapter plate PCB board.
B
B
AV panel
3-1. MAIN board disassembly
AV terminal plate
A
A
Hooks
Fig. 3-1
MAIN
board
Interactive
adapter plate
PCB board
adapter plate
PCB board
C
C
C
C
C C
D
E
E
-22-
Mechanical Disassembly
1. Loosen 3 screws A (T3X8) and remove the lamp unit.
2. Remove 8 screws B (T3x8) and remove the Lighting block.
3. Remove 3 screws C (T3x8) and remove the
IRIS unit.
4. Remove 4 screws D (T3x8) and remove the
lamp support and lamp cable socket.
5. Remove 1 screw E (T3x8) and remove the
lamp switch plate and lamp cover switch
.
6. Remove the exhaust fan.
Fig. 4
Lamp unit
Lamp support
Lamp switch plate
Lamp cover switch
Lamp cable
outlet
outlet
Lighting block
IRIS Unit
D
D
D
D
E
C
C
C
B
B
B
B
B
B
B
B
A
A
A
Exhaust fan
(FN3004)
(FN3004)
Exhaust fan
(FN3003)
(FN3003)
4. Fan and Lighting block disassembly
when removing the iris assy,
take the iris with its blades
closed. When turning the
gear on the iris in arrow
direction, the blades of iris
will be closed. Do not touch
the blades bacause they are
precious pate
take the iris with its blades
closed. When turning the
gear on the iris in arrow
direction, the blades of iris
will be closed. Do not touch
the blades bacause they are
precious pate
.
-23-
Mechanical Disassembly
5. Duct unit disassembly
1. Remove 9 screw A (T3x8) and remove the LCD plate top duct and bottom duct.
2. Remove 2 screw B (T3x8) and remove the loudspeaker.
3. Remove 3 screws C (T3x8) and remove the LCD plate cooling fan.
4. Remove 4 screws D (T3x8) and remove the lamp duct unit.
5. Remove 2 screws E (T3x8) and remove the lamp cooling fan.
6. Remove 1 screw F (T3x8) and remove the PBS bottom duct.
7. Remove 2 screws G (T3x8) and remove the temperature controlling switch.
Fig. 5
C
C
C
D D
D
D
G
G
F
E
E
B
B
A
A
A
A
A
A
A
A
A
LCD plate
top duct
top duct
LCD plate bottom duct
LCD plate cooling
fan (FN3002)
fan (FN3002)
LCD plate cooling fan
(FN3001)
(FN3001)
Lamp top duct
Temperature
controlling switch
controlling switch
PBS bottom
duct
duct
Lamp bottom duct
Lamp cooling fan
(FN3005)
(FN3005)
Duct plate
Loudspeaker
-24-
Mechanical Disassembly
Fig. 6
6. Filter board unit and power box disassembly
1. Remove 2 screws A (T3x8) and remove the
power box aluminum shielding.
2. Remove 8 screws B (T3x8) and remove the
power supply box components
.
3. Remove 4 screws C (T3x8) and remove the
Filter board
.
4. Remove 3 screws D (T3x8) and remove the
Front remote control bracket and Remote control panel assembly.
5. Remove 1 screw E (T3x8) and remove the
Rear remote control .
C C
C C
D
E
D
D
B
B
B
B
A
B
B
B
A
B
Filter board
Power shield sheet
Power box aluminum shielding
Insulation sheet of lamp starter
Lamp starter
Mainboard support of
lamp starter
lamp starter
Front remote control bracket
remote control (Rear (
Power board component
Bottom insulation sheet of
power supply
power supply
remote control
(Front (
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