Panasonic PT-EZ590E / PT-EZ590LE / PT-EW650E / PT-EW650LE / PT-EW550E / PT-EX620E / PT-EX620LE / PT-EX520E (serv.man2) Service Manual ▷ View online
DIS-3
SECTION 2 DISASSEMBLY PROCEDURES
<EZ590/EW650/EW550/EX620/EX520>
1.3. Mechanical parts location
1.4. Optical parts location
Prism cover
Filter cover
Intake fan holder 1
Intake fan holder 2
Intake duct assy
Air filter unit
Top case
Lighting block
PBS duct
AC inlet
Terminal dust cover
Operation button
Power duct holder
Speaker case
Lamp cover
Terminal cover
G-Polarizer
R-Polarizer
Shutter unit
Iris unit
Lens shift unit *
Projection lens
Optical block *
B-Polarizer
Lighting case top
Lighting case bottom
PBS
Integrator lens-out
Integrator lens-in
Integrator lens-in
Lamp unit
Power box
Lamp house
Lamp fan holder
Bottom case
Lens release button
Duct top cover
Lens shift cover bottom
Lens shift cover top
LED light guide
Front cover
* Lens mount unit and optical block are not supplied separately for PT-EZ590. Only they
will be supplied as an assembled parts.
DIS-4
SECTION 2 DISASSEMBLY PROCEDURES
<EZ590/EW650/EW550/EX620/EX520>
2. Disassembly Instructions
[Caution]
* Before disassembly the projector, turn off the power switch and disconnect the power plug from the wall outlet.
* During the disassemble work, please wear gloves to protect your hands from metal parts and shield plate.
* Electrical parts such as PCBs, may get damaged by electrostatics discharge and/or surges which affects the set reliability.
Please take care for electrostatic discharges by using grounded wrist straps to release the electricity from the body.
* When tore off sticky tapes, please use a new thing without reusing it on the occasion of assembling.
Please use the special table pad specified below or substitution when disassembling and assembling.
Place the projector onto the special table pad to disassemble and assemble.
Place the projector onto the special table pad to disassemble and assemble.
When mounting the lighting case or duct block onto the cabinet bottom case, the cabinet bottom case might be bent due to
applying the over power force.
As the result, the tiny gap will be come up between the air duct and cabinet bottom case. This gap have an effect on the
temperature control inside projector.
applying the over power force.
As the result, the tiny gap will be come up between the air duct and cabinet bottom case. This gap have an effect on the
temperature control inside projector.
Before disassembling and assembling
500 (19.7)
250 (9.8)
70 (2.76)
70 (2.76)
70 (9.45)
70 (2.76)
70 (2.76)
100 (3.94)
10 (0.39)
310 (12.2)
Special table pad
Table pad demensions mm (inches)
DIS-5
SECTION 2 DISASSEMBLY PROCEDURES
<EZ590/EW650/EW550/EX620/EX520>
2.1. Disassembly flow chart
* Follow the flow chart below when disassembling.
Cable reforming
2.12. G, R/B, PBS intake fan removal
2.11. Duct assy removal
2.10. Power box removal
2.9. Lamp fans assy and lamp house removal
2.8. Lighting block/Shutter unit removal
2.7. Front cover removal
2.6. Exhaust fan, [S], [A]/[J]-P.C.Board assy removal
2.5. Top cover removal
2.4. Lamp and lamp cover removal
2.2. Projection lens removal
2.3. Air filter unit, filter cover removal
Completed Product
DIS-6
SECTION 2 DISASSEMBLY PROCEDURES
<EZ590/EW650/EW550/EX620/EX520>
2.2. Projection lens removal
1. Press and hold the lens release button, turn the projection lens counterclockwise gently to
the end and take it out.
Projection lens
Lens release button
Attaching the lens
1. Align the red mark on the Projection lens with the red mark on the
1. Align the red mark on the Projection lens with the red mark on the
projector, and insert the Projection lens to the end. (Fig.1)
2. Turn the projection lens clockwise until it clicks.(Fig.2)
Attention:
Do not press the lens release button when attaching the lens.
Do not press the lens release button when attaching the lens.
Note:
The lens release button is held down by using the lens release button fixing screw (XSB3+20FN, supplied in the accessories
The lens release button is held down by using the lens release button fixing screw (XSB3+20FN, supplied in the accessories
of the projector), and the projection lens cannot be removed.
Before removing the projection lens, if the lens release button cannot be released the lock even if you press it, proceed the
next steps.
1. Place the projector upside down on a soft cloth.
next steps.
1. Place the projector upside down on a soft cloth.
2. Use a Phillips screwdriver, remove the lens release button fixing screw by turning it in the lens release button fixing screw
hole at bottom in the counterclockwise direction.
Guide groove
Red marks
Guide groove
Projection lens
guide
Projection lens
Fig.1
Fig.2
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