Panasonic PT-VMZ60 / PT-VMZ50 / PT-VMZ40 / PT-VMW60 / PT-VMW50 (serv.man3) Service Manual ▷ View online
DIS-14
SECTION 2 DISASSEMBLY PROCEDURE
<VMZ60/VMZ50/VMZ40/VMW60/VMW50>
2.8.2. LD unit removal-1
1. Remove 1 screw-C to take the M4-PCB.
2. Remove 4 screws-D to take the LD revolver.
C
D
C
D
D
D
D
M4-PCB
Sponge-2
Sponge-1
LD revolver
2.8.1. LD unit block removal
1. Remove 2 screws-A, 2 screws-B and take the LD unit block off.
A
A
B
B
A
B
LD unit block
* The LD unit is 24pcs for models PT-VMZ60/VMW60 series .
DIS-15
SECTION 2 DISASSEMBLY PROCEDURE
<VMZ60/VMZ50/VMZ40/VMW60/VMW50>
2.8.3. LD unit removal-2
1. Remove 4 screws-E and remove the LD unit from the LD radiator.
E
E
E
E
Apply the heat dissipation
compound evenly to the rear
surface of the LD unit. Take
care not to stick out the com-
pound.
Apply compound
Heat dissipation compound :
Shin-Etsu Silicone [ G-787 ] grade 1g
LD unit
Thermistor
LD bottom sponge
LD radiator
E
2.8.4. Phosphor wheel block removal
1. Remove 1 screw-F to remove the LD top bracket.
2. Remove 6 torx screws-G and take the LD case cover upward off.
3. Remove 2 screws-H and take the Phosphor wheel block upward off.
G
G
G
G
G
H
G
F
H
F
G
H
LD top bracket
LD case cover
Phosphor wheel block
* The LD unit is 24pcs for models PT-VMZ60/VMW60 series .
DIS-16
SECTION 2 DISASSEMBLY PROCEDURE
<VMZ60/VMZ50/VMZ40/VMW60/VMW50>
2.8.5. Phosphor wheel removal
1. Remove 3 screws-J and remove the PW fan from PW heatsink.
2. Remove 3 screws-K and remove the Phosphor wheel unit.
J
K
J
J
J
K
Phosphor wheel unit
Phosphor wheel heatsink
PW fan
- Leads wiring on top of LD block
Dress the lead wires on the LD block as shown in the picture below.
- Mount the FPC cable from the PW through the guide1.
- Mount the cable from fans through the guide2.
Phosphor wheel cable
Guide3
Guide1
Guide2
DIS-17
SECTION 2 DISASSEMBLY PROCEDURE
<VMZ60/VMZ50/VMZ40/VMW60/VMW50>
2.9. Lighting block removal
1. Remove 4 screws-A and take the lighting block upward off.
A
A
A
A
A
Lighting block
2.9.1. Projection lens & optical block removal
1. Remove 4 screws-A and take the projection lens & optical block off from the
lighting case block.
A
A
A
A
A
Lighting case block
Projection lens & optical block
Important notice on the Optical block replacement
LCD panels used for this model cannot be replaced separately. Do not disassemble the Optical block. These LCD
panels are installed with precision at the factory. When replacing the LCD panel, should be replaced whole of the
LCD panels and prism assy at once. When replacing optical block, take the optical and electrical adjustments fol-
lowing to the chapter "Adjustment".
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