Panasonic PT-TW230U Service Manual page 20

Mechanical Disassembly
4. Power, SW902,ballast boards and fans(FN906,FN907) removal
1. Remove 3 screws A(T3x8) to remove the fans (FN906, FN907) assy.
2. Remove 1 screw B(T3x8) to remove the lamp socket. Remove 3 screws C(T3x8) to re-
move the lamp cover bottom. Unhook the ballast cable from the cabinet bottom.
3. Remove 1 screw D(T3x8) to remove the thermal fuse(SW902).
4. Remove 1 screw E(M4x6) and 4 screws F(T3x8). Disconnect the connectors "CN1" on
the ballast board and "K6C" on the power board. Remove the power box top upward off.
5. Remove 1 screw G(M3x8), 2 screws H(M3x8) to remove the power board.
B
C
C
Lamp socket
Lamp cover
bottom
SW902
A
C
A
FN907
F E
D
F
F
A
G
H
FN906
FN906
Isolation sheet
-20-
F
Power box top
H
Power board
Isolation sheet
Ballast board
T3x8
T3x8
T3x8
Fig.4
Mounting
holder