Panasonic PT-VX505NU / PT-VX505NE / PT-VX505NEA / PT-VW435NU / PT-VW435NE / PT-VW435NEA (serv.man2) Service Manual ▷ View online
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Maintenance
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Outer Case
Wipe off dirt and dust using a soft dry cloth.
• If the dirt is persistent, soak the cloth with water and wring it thoroughly before wiping. Dry off the projector with a
dry cloth.
• Do not use benzene, thinner, or rubbing alcohol, other solvents, household cleaners, or chemical treated dusters.
Using them may cause deterioration of the outer case.
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Front glass surface of the lens
Wipe off the dirt and dust off the front surface of the lens with soft clean cloth.
• Do not use a cloth that has an abrasive surface or a cloth that is moist, oily, or covered with dust.
• Do not use excessive force when wiping the lens as it is fragile.
Attention
The lens is made of glass. Impacts or excessive force when wiping may scratch its surface.
Please handle with care.
Before replacing the unit
When you perform maintenance or replacement of the parts, make sure to turn off the power and disconnect the
power plug from the wall outlet.
Maintenance
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Replacement of the air filter unit (side)
1) Remove the air filter cover.
• Open the air filter cover in the direction of the arrow in
the figure and remove it.
2) Remove the air filter unit.
i) Hold the knob of the air filter unit and pull out in
the direction of the arrow, the top of the air filter
unit will pop up.
ii)Take out the air filter unit upwards.
• After removing the air filter unit, remove large
foreign objects and dust from the air filter
compartment and the projector’s air intake port
if there are any.
3) Insert the new air filter unit.
• Hold the air filter unit that the knob is outside of
the projector, perform Step 2) in the reverse order.
• Do not press the filter part when push into the
projector at last
4) Install the air filter cover.
• Make sure that the air filter cover is closed tightly
Replacing the unit
Replacement air filter unit: ET-RFV200
(a pair of air filter unit for back and side)
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Air filter unit
Filter prevents dust from accumulating on the optical elements inside the pro-
jector. Should the filter become clogged with dust particles, it will reduce cool-
ing fans’ effectiveness and may result in internal heat buildup and adversely
affect the life of the projector. If a “Filter warning” icon appears on the screen,
replace the filter immediately.
Air filter cover (side)
Air filter unit (side)
Knob
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Maintenance
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Resetting the filter counter
After replacing the air filter units, be sure to reset the filter
counter.
1) Press st to select [Filter counter reset].
2) Press the <ENTER> button.
[Filter counter Reset?] appears. Select Yes to con-
tinue. Another confirmation dialog box appears, select
Yes to reset the Filter counter.
Attention
• Turn off the power before you replace the air filter unit.
• When attaching the air filter unit, make sure that the
projector is stable, and work in an environment that is
safe, even in the event of the air filter unit dropping.
• Do not operate the projector with the filters removed.
Dust may accumulate on the optical elements degrad-
ing picture quality.
• Do not put anything into the air vents. Doing so may
result in malfunction of the projector.
• Do not wash the filters with water or any other liquid
matter. Otherwise the filters may be damaged.
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Attaching the lens cap
When moving this projector or while not using it over an extended period of time, attach the lens cap.
To prevent loss for the lens cap, please according to the following procedures, attach the lens cap with the string of
accessories.
Thread the thinner end of the string through
1 1
the hole on the lens cap.
Thread the other end of the string through
2 1
the hole on the bottom of the projector.
Lens cap
String
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Replacement of the air filter unit (back)
1) Remove the air filter cover.
• Open the air filter cover in the direction of the arrow in
the figure and remove it.
2) Remove the air filter unit.
• Hold the knob of the air filter unit and pull out in
the direction of the arrow.
• After removing the air filter unit, remove large
foreign objects and dust from the air filter
compartment and the projector’s air intake port
if there are any.
3) Insert the new air filter unit.
• Hold the air filter unit that the knob is outside of
the projector, perform Step 2) in the reverse order.
• Do not press the filter part when push into the
projector at last
4) Install the air filter cover.
• Make sure that the air filter cover is closed tightly
Air filter cover (back)
Air filter unit
(
back
)
Knob
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Maintenance
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Lamp unit
The lamp unit is a consumable component. You can check the total usage time using Lamp runtime in the Information
menu.
It is recommended to ask an authorized engineer to replace the lamp unit. Contact your dealer.
Consult your dealer to purchase a replacement lamp unit.
CAUTION:
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Do not replace the lamp unit when it is hot. (Wait at least 1 hour after use.)
The inside of the cover can become very hot, take care to avoid burn injuries.
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Notes on the replacement of the lamp unit
• The luminous source of the lamp is made of glass and may burst if you hit
it against a hard surface or drop it.
Please handle with care.
• A Phillips screwdriver is required for replacement of the lamp unit.
• When replacing the lamp unit, be sure to hold it by the handle.
• When replacing the lamp because it has stopped illuminating, there is a
possibility that the lamp may be broken. If replacing the lamp of a projec-
tor which has been installed on the ceiling, you should always assume
that the lamp is broken, and you should stand to the side of the lamp
cover, not underneath it. Remove the lamp cover gently. Small pieces of
glass may fall out when the lamp cover is opened. If pieces of glass get
into your eyes or mouth, seek medical advice immediately.
• The lamp contains mercury. Consult your local municipality or your dealer
about correct disposal of used lamp units.
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When to replace the lamp unit
The lamp unit is a consumable component. Brightness decreases according to duration of usage, so periodical
replacement of the lamp unit is necessary. When the projection lamp of the projector reaches its end of life, the
lamp replacement icon appears on the screen and <LAMP> indicator lights yellow. Replace the lamp with a new
one promptly.
Lamp runtime
On screen
Lamp replacement icon
LAMP indicator
Over 2 500 hours*
The message is displayed for 4 seconds. If you
press any button within the 4 seconds, the message
disappears.
Lights in yellow (even in stand-
by mode).
Over 2 700 hours*
If the power is turned on without replacing the lamp,
the power automatically turns off after approximately
ten minutes to prevent the malfunction of the projector.
*
2 700 hours of use is a rough guideline, but is not a guarantee. The lamp runtime differs depending on the setting
of "Lamp power" menu.
of "Lamp power" menu.
Note
• Allow a projector to cool enough before you open the lamp cover. The inside of the projector can become very hot.
• The Lamp replacement icon will not appear when the [Display] function is set to [Off], or during "Freeze", or "AV
mute".
Attention
• Do not use other than designated lamp units.
• The part numbers of accessories and separately sold components are subject to change without notice
Replacement lamp unit: ET-LAV200
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Replacing the lamp unit
Maintenance
CAUTION:
• When the projector is mounted on a ceiling, do not work with your
face close to the projector.
• Attach the lamp unit and the lamp cover securely.
• When you experience difficulty in installing the lamp, remove it and
try again. If you use force to install the lamp, the connector may be
damaged.
1) Turn off the projector. Unplug the AC power cord. Wait at least
1 hour and make sure the lamp unit and surroundings are
cool.
2) Use a Phillips screwdriver to loosen the lamp cover fixing
screw and remove the lamp cover.
• Remove the lamp cover by pulling it slowly toward the direction
of the arrow.
3) Use a Phillips screwdriver to loosen the three lamp unit fixing
screws until the screws turn freely. Hold the used lamp unit
by its handles, and pull it gently from the projector.
4) Insert the new lamp unit in correct direction. Tighten the three
lamp unit fixing screws securely with a Phillips screwdriver
5) Attach the lamp cover, and tighten the lamp cover fixing screw
securely with a Phillips screwdriver.
• Attach the lamp cover by pushing it slowly opposite the direction
of the arrow.
Note
• When you replace the new lamp unit, the projector resets the total
usage time of the lamp unit automatically.
Lamp cover
Handle
Lamp unit fixiing screws
Lamp unit
Lamp cover
fixing screw
Lamp unit
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