Panasonic PT-TW230U Service Manual page 22

Mechanical Disassembly
6. Optical unit and duct assembly removal
1. Remove 2 screws A(T3x8) to remove the main board holder.
2. Remove 2 screws B(T3x12) and 5 screws C(T3x8) and remove the optical
unit upward off.
3. Remove 9 screws D(T3x8) and remove the duct assembly upward off.
SW901
Lamp cover
switch
T3x12
Panel duct
bottom
FN904
FN903
T3x30 T3x30
D
D
D
Duct assy
T3x8
Temp sensor A
board
FN902
T3x30
T3x12
T3x30
T3x12
D
D D
D
D
D
FN901
-22-
A
A
Main board
holder
B
C C
C
C
C
B
Optical unit
Fig.6