DOWNLOAD Panasonic PT-TW341R Service Manual ↓ Size: 21.43 MB | Pages: 78 in PDF or view online for FREE

Model
PT-TW341R
Pages
78
Size
21.43 MB
Type
PDF
Document
Service Manual
Brand
Device
Projector / LCD PROJECTOR
File
pt-tw341r.pdf
Date

Panasonic PT-TW341R Service Manual ▷ View online

-29-
Lighting block Disassembly
3.  Polarizer-in removal
 Polarizer-in
 Polarizer-in assy
A
A
A
Fig. 3
*Do not disassembly the 
polarized glass from the bottom.
1  Insert a screwdriver into slot B and rotate the screw A to the middle 
position of slot B. 
2 Tighten screw A and fix the polarized glass R board. 
- Follow step 1-2 to mount the polarized glass G and B. 
1. Remove 3 screws A(M2.5x6).
2. Remove lighting case top to unhook 5 hooks on it as 
    shown in the figure.
3. Pull each polarizer upward off.
Note on polarized glass mounting
A
Slot B 
-30-
PBS shield 
Iris unit
Lighting block Disassembly
1. Remove 2 screws A(M3x8) to remove condenser lens-out assy.
1. Remove 3 screws A(T3x8) to take off the iris unit from the lighting case.
2. Remove 2 screws B(T3x8) to take off the PBS shield from the lighting case.
Fig. 5
4. Condenser lens (OUT) disassembly
Fig. 4
5. PBS and integrator disassembly 
A
B
B
A
A
A
A
PBS
Marker
Integrator in
* Rugged surface 
facing to the PBS. 
Integrator out
* Rugged surface 
facing to the PBS
Cutting 
edge comes 
to this side.
Integrator lens stopper
Integrator lens holder-top
Integrator lens 
shield
Integrator lens 
holder bottom
 PBS holder
-31-
Lighting block Disassembly
D
Fig. 6
B
H
E
C
When disassembling or mounting the optical parts in 
the Lighting block, the parts must be mounted in the 
specified location and direction as shown in the figure 
below. 
A
G
6. Locations and directions
No. Parts Name
A
Dichroic mirror (B)
B
Dichroic mirror (G)
C
Condenser lens (R) 
D
Condenser lens (G) 
E
Condenser lens (B) 
F
Reflection mirror(R)
G
Relay lens (IN)
H
Reflection mirror (B) 
I
Relay lens (OUT) 
F
I
F
Marker comes 
this side up
Marker
-32-
Disassembly / Replaced Parts
Optical block Condenser lens (OUT)
Fans
MAIN board
O
pti
ca
ad
ju
stm
en
t
Optical center adjustment
Ele
ctr
ica
l a
dju
stm
en
t
Fan voltage adjustment
Panel type check and setting
Flicker adjustment
Keystone offset adjustment
EEPROM data transfer *1  
Model no. setting   
Serial No. setting
Note:
*1 When the EEPROM data transfer has been taken, the adjusted data listed below will be transferred from the
   original board to new board.
   - Service adjustment data (Fan voltage adjustment/Flicker adjustment)
   - Color shading correction data
   - Gamma correction data
Adjustments after parts replacement
 
: Adjustment 
: Check
Adjustment
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