Panasonic PT-VW355N / PT-VW355ND / T-VW355NT / PT-VX425N / PT-VX425ND / PT-VX425NT (serv.man2) Service Manual ▷ View online
DIS-1
CONTENTS
SECTION 2 DISASSEMBLY PROCEDURES
Disassembly Procedures
Model No. PT-VW355N
PT-VX425N
SECTION 2 DISASSEMBLY PROCEDURES
1. Parts Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DIS-2
1.1. Electrical parts location (P.C.Boards)
1.2. Electrical parts location (Fans)
2. Mechanical and Electrical Parts Disassembly . . . . . . . . . . . . . . . . . .
DIS-3
2.1. Disassembly flow chart
2.2. Air filter unit removal
2.3. Top cover and front cover removal
2.2. Air filter unit removal
2.3. Top cover and front cover removal
2.4. [A]/[J]-P.C.Board assy removal
2.5. Lamp intake fan, lamp, lighting assy removal
2.6. [K]-P.C.Board, lamp exhaust fan assy removal
2.7. Power box assy and speaker box removal
2.8. Panel A/B intake fans and duct panel assy removal
3. Optical Parts Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DIS-10
3.1. Disassembly flow chart
3.2. Projection lens and optical block assy removal
3.2. Projection lens and optical block assy removal
3.3. Polarizer-out replacement
3.4. Polarizer-in assy removal
3.5. Condenser lens-out removal
3.6. PBS and integrator lenses removal
3.7. Lighting case cover removal
3.8. Parts location and direction in the lighting case
<Cable reforming> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DIS-18
(2015-05)
DIS-2
SECTION 2 DISASSEMBLY PROCEDURES
1. Parts Locations
1.1. Electrical parts location (P.C.Boards)
1.2. Electrical parts location (Fans)
J
M1
M2
K
A
C
WL
R
CM
BQ
P
Lamp intake fan
Power exhaust fan
Lamp exhaust fan
Panel A intake fan
Panel B intake fan
Board name
Function summary
Board name
Function summary
A
Image processingsystem / CPU
P
Power supply
J
Signal input terminals
BQ
Ballast power / Ballast control
K
Line Filter
WL
Wireless module
M1
Air flow sensor
M2
Temperature sensor (Intake air)
R
Remote control receiver
C
Lamp memory connection
CM
Camera module
DIS-3
SECTION 2 DISASSEMBLY PROCEDURES
2. Mechanical and Electrical Parts Disassembly
2.1. Disassembly flow chart
* Before Disassembly the projector, turn off the POWER switch and disconnect the power plug from the wall outlet.
* To assemble, reverse the disassembly procedures.
* When tore off sticky tapes, please use a new thing without reusing it on the occasion of assembling.
* To assemble, reverse the disassembly procedures.
* When tore off sticky tapes, please use a new thing without reusing it on the occasion of assembling.
Completed Product
Screws expression
(Type
Diameter x Length
) mm
T type
M Type
2.4.1. [A] and [J]-P.C.Board removal
2.8. Panel A/B intake fans and duct panel assy
removal
2.7. Power box and speaker box removal
2.6. [K]-P.C.Board, Lamp exhaust fan assy re-
moval
2.5. Power exhaust fan, lamp and lighting assy
removal
2.4. [A]/[J]-P.C.Board removal
2.3. Top cover and front cover removal
2.2. Air filter unit removal
Cable reforming
DIS-4
SECTION 2 DISASSEMBLY PROCEDURES
2.2. Air filter unit removal
1. Open the air filter cover, then remove it.
2. Hold the tab of the air filter unit and pull out whole air filter unit.
2. Hold the tab of the air filter unit and pull out whole air filter unit.
Tab
Air filter unit
Filter cover
2.3. Top cover and front cover removal
Top cover
1. Loosen 1 screw-A to remove the lamp cover.
2. Remove 8 screws-B (T3x10) and 1 screw-C (M3x6) to remove the top cover.
3. Remove 4 screws-D (T3x10) and 1 screw-E (T3x12) to remove the front cover.
4. Remove 2 screws-F (T3x8) to separately remove the [CM] module.
2. Remove 8 screws-B (T3x10) and 1 screw-C (M3x6) to remove the top cover.
3. Remove 4 screws-D (T3x10) and 1 screw-E (T3x12) to remove the front cover.
4. Remove 2 screws-F (T3x8) to separately remove the [CM] module.
Lamp cover
A
D
E
F
F
D
D
D
B
B
B
B
B
B
B
B
C
R/C window
[R]-P.C.Board
Front cover
CM module
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