Panasonic PT-EZ570U / PT-EZ570E / PT-EZ570UL / PT-EZ570EL (serv.man2) Service Manual ▷ View online
-25-
Mechanical Disassembly
3. Fan (FN905) and main&AV board removal
1. Remove 1 screw-A (M3x10) and 3 screws-B (T3x10) to take the fan (FN905)
upward off.
2. Remove 2 sccrews-C(M3x6) and 1 screw-J(M3x10) to take the prism cover
shield off.
3. Remove 12 sccrews-D(M3x10) , 1 screw-E(T3x10) and 3 sccrews-G(M3x6)
to take the main board shield top off.
4. Remove 1 screw-G(M3x10)and 1 screws-F(M3x8)
and then remove the main&AV board.
and then remove the main&AV board.
3-1.Main board and A/V board removal
1. Release the 4 hooks to remove the AV panel .
2. Remove 6 hex-screws-B and 1 screw A (M3x8) to remove the AV board
from the main board.
2. Remove 6 hex-screws-B and 1 screw A (M3x8) to remove the AV board
from the main board.
H
D
G
D
D
D
D
D
D
E
C
J
C
D
G
G
Main&AV board
Main board
Hooks
AV board
AV panel
Main board
shield top
shield top
Prism cover
shield
shield
Fan (FN905)
D
D
A
B
B
B
D
D
F
B
B
B A
B
B
B
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Mechanical Disassembly
4. Shutter and sensor C board removal
1. Remove 3 screws-A (M3x10) and 4 screw-B (T3x10) to take the main board
shield bottom.
2. Loosen 1 hex screw-C and pull the shutter assy upward.
3. Remove 1 screw-D (T3x8) to take the sensor C board off.
4. Remove 1 screw-E (T3x8) to take the lamp cover switch off.
5. Remove 2 screws-F (T3x14) to take the wind sensor (S901) off.
6. Remove 1 screws-G (T3x10) to take the connect shield,
and remove 2 screw-H (T3x10) to pull the net shield upward.
3. Remove 1 screw-D (T3x8) to take the sensor C board off.
4. Remove 1 screw-E (T3x8) to take the lamp cover switch off.
5. Remove 2 screws-F (T3x14) to take the wind sensor (S901) off.
6. Remove 1 screws-G (T3x10) to take the connect shield,
and remove 2 screw-H (T3x10) to pull the net shield upward.
5. Lamp, lamp cover and ID connect board removal
1. Loosen 3 screws-A and pull the lamp assy upward.
2. Remove 4 screws-B (T3x8) to take the lamp house holder upward off.
3. Remove 2 screws-C (T3x8) to take the ID connect board.
4. Remove 1 screw-D (T3x10) to remove the ballast socket.
2. Remove 4 screws-B (T3x8) to take the lamp house holder upward off.
3. Remove 2 screws-C (T3x8) to take the ID connect board.
4. Remove 1 screw-D (T3x10) to remove the ballast socket.
C
B
B
A
A
D
E
F
H
G
H
Shutter assy
Lamp cover switch
Sensor C board
Wind sensor (S901)
Net shield
A
A
B
B B
B
C
ID connect
board
Lamp assy
C
A
Ballast
socket
D
Main board
shield bottom
shield bottom
Connect shield
A
B
B
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Mechanical Disassembly
6. Projection lens removal
1. Press and hold the lens release button and turn the projection lens counter-
clockwise until it stops and put it out slowly.
Projection lens
7. Optical unit removal
1. Remove 2 screws-A (T3x8) and 7 screws-B (T4x10) and remove the optical
unit assy and lens shift assy.
2. Remove the lens cover top.
3. Remove the front ring cover by pressing it from back.
3. Remove the front ring cover by pressing it from back.
Lens release button
A
A
B
B
Guides
Grooves
Lens cover top
Front ring cover
Optical unit and
Lens shift assy
B
B
B
B
B
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Mechanical Disassembly
7-1. Lens shift assy and Iris assy removel
1. Remove 4 screws-A (M3x8) to take the lens shift assy off.
2. Remove 4 screws-B (M3x14) to take the lens mount off.
3. Remove 3 screws-C (T3x8) to take the Iris assy.
2. Remove 4 screws-B (M3x14) to take the lens mount off.
3. Remove 3 screws-C (T3x8) to take the Iris assy.
B
B
B
A
A
A
A
Lens mount
Lens shift assy
8. Power box and thermal fuse (SW902) removal
1. Remove 3 screws-A (M3x10) and 3 screws-B (T3x10) to remove the Power
Box assy.
2. Remove 1 screw-C (T3x8) and pull the SW902 upward off.
A
B
A
B
B
A
C
Thermal fuse(SW902)
Power box assy
SW902
B
C
C
C
Iris assy
Optical unit assy
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