Panasonic PT-LW330 / PT-LW280 / PT-LB360 / PT-LB330 / PT-LB300 / PT-LB280 (serv.man5) Service Manual ▷ View online
-21-
Mechanical Disassembly
1. Remove 2 screws A(M3x8) and 2 screws B (T3x8) to remove the MAIN board.
(Applicable for PT-LB360/PT-LB330/PT-LW330/PT-LW280)
Fig. 3
MAIN board unit
A
B
A
A
B
3. MAIN board removal
MAIN board unit
B
A
B
(Applicable for PT-LB300/PT-LB280)
-22-
Mechanical Disassembly
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 screws D(M3x8) to remove the AV terminal plate from the MAIN board.
(Applicable for PT-LB360/PT-LB330/PT-LW330/PT-LW280)
A
A
B
B
AV panel
3-1. MAIN board disassembly
AV terminal plate
A
A
B
B
Hooks
Fig. 3-1
Fig. 3-1
MAIN
board
AV panel
AV terminal plate
MAIN
board
(Applicable for PT-LB300/PT-LB280)
C
C
C
C
C
C
C
C
C
C
C
C
D
D
-23-
Mechanical Disassembly
1. Loosen 3 screws A (T3X8) and remove the lamp unit.
2. Remove 4 screws B (T3x8) and remove the Lighting block.
3. Remove 3 screw C (T3x8) and remove the
IRIS unit.
4. Remove 4 screw 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
Lighting block
IRIS Unit
D
E
D D
D
C
C
C
B
B
B
B
A
A A
Exhaust fan
(FN3004)
Exhaust fan
(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
.
-24-
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 3 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
G
G
E
E
F
B
B
A
A
A
A
A
A
A
A
A
LCD plate top duct
LCD plate bottom duct
LCD plate cooling fan
(FN3001)
LCD plate cooling fan
(FN3002)
Control plate
Lamp top duct
Temperature
controlling switch
PBS bottom duct
Lamp bottom duct
Lamp cooling fan
(FN3005)
Duct plate
Loudspeaker
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