Panasonic PT-TW351R (serv.man6) Service Manual ▷ View online
DIS-9
SECTION 2 DISASSEMBLY PROCEDURES
<TW351R>
1. 7. Filter board unit and power box removal
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.
B
B
A
B
B
B
B
A
B
B
Filter board
C C
E
D
D
D
C C
Power box aluminum shielding
Main board support
Lamp board
Lamp board Insulation sheet
Power shield sheet
Power board
Remote control
(Front)
Power bottom
insulation sheet
Power board component
Remote control (Rear )
DIS-10
SECTION 2 DISASSEMBLY PROCEDURES
<TW351R>
1. Remove the fuse from the fuse support.
2. Install the fuse as shown in the following figure.
1. Remove a foot rubber.
2. Remove a support axis by pushing it out.
3. Take out the adjustable stand shaft, foot spring and foot case of the adjustable foot.
1. 7. 1. Fuse removal
1. 8. Adjustable foot removal
Top view of fuse installation
Foot spring
Support axis
Adjustable stand shaft
Foot case
Foot rubber
DIS-11
SECTION 2 DISASSEMBLY PROCEDURES
<TW351R>
<Cable reforming>
Reform the cables as shown in the figure below. Place the cables at the original places after replacing the parts.
P5030 P3001
P3004
P8003
P3006
P1003
P1003
P5003
P3002
FN3003
FN3002
FN3001
FN3005
FN3004
DIS-12
SECTION 2 DISASSEMBLY PROCEDURES
<TW351R>
GR
GL
L-
type Optical block
R-type Optical block
G-Optical block
Optical block
* Note on handling the optical block
Optical block and polarized glasses are
very sensitive parts.
Use air blower to clear the dust on the
surface of the Optical block
(For more details about handling the inorganic
polarized glass, please read the next page).
polarized glass, please read the next page).
Important notice on optical block replacement
The Optical block used for this model cannot be
replaced separately. Do not disassemble the Optical
block. These Optical block are installed with precision at
the factory. When replacing the Optical block, should be
replaced whole of the Optical block at once.
After replacing Optical block, take the optical and
electrical adjustments following to the chapter
"Adjustment".
1. Remove 2 screws A (M3x8) and pull out the lens/Optical block.
2. Remove 4 screws B (M2.5x8), remove the Optical block.
There are 2 types of optical block, named R-type and L-type.
When replacing the optical block, check the printed marker on the flat cable of the G-LCD panel and
use the same type of the optical block. If not used the same type, you will find the color shading or
wrong white balance picture on the screen.
How to check optical block
Please check the print serial number on the G-Optical block 's cable.
GR --> R-Optical block
GL --> L-Optical block
Check optical block
Top view of LCD panel/prism assy
G-LCD panel
B-LCD panel
Polarized glass OUT(B)
Polarized glass OUT(G)
Polarized glass OUT(R)
R-LCD panel
B
B
B
B
A
A
2. 1. Optical block removal
2. Optical Parts Disassembly
* Before taking the procedure, remove cabinet top and main board following to the "Mechanical Disassembly".
* Disassembly tools: 2.0mm hex wrench and screwdriver.
* Disassembly tools: 2.0mm hex wrench and screwdriver.
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