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Lamp Replacement - Mitsubishi Electric DLP UD740U User Manual

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Lamp replacement

This projector is equipped with a lamp to project
images. This lamp is a consumable. It may burn out
or its brightness may decrease during use. In such
cases, replace the lamp with a new one as soon as
possible. Be sure to replace the lamp with a new lamp
separately sold that is exclusive to this projector.
Contact your dealer for purchase of the lamp.
Spare lamp for UD740U: VLT-XD700LP
Caution:
• Do not remove the lamp immediately after using the
projector. You may get burned because the lamp is
very hot after use.
• Before replacing the lamp, press the POWER
button to turn off the lamp and wait for two minutes
for lamp to cool down. Unplug the power cord from
wall outlet and wait one hour for the lamp to cool
down completely.
• Do not remove the lamp except for replacement.
Careless handling can cause injury or fire.
• Do not touch the lamp with bare hands or give
a shock to the lamp. Attach the lamp properly.
Improper handling may cause explosion.
• Be sure not to drop the lamp lid screw into the
projector. Also be sure not to put metal or any
flammable objects inside because it may cause fire
or electric shock. If any objects should fall inside,
unplug and contact your dealer.
• Install the lamp securely to prevent failure and fire.
• If the lamp should break, small glass fragments
may fall out through the vents and some may
remain inside of the projector or the lamp box.
When taking the lamp box out, be sure to turn over
the projector and hold the handle of the lamp box
to avoid injury due to the glass fragments.
• If the lamp should break, never shake the lamp box
or hold it in front of your face after removing it. The
glass fragments may fall out and cause injury to
your eyes.
• When removing the lamp from the ceiling-mounted
projector, use the lamp replacement attachment
packed with the projector or option lamp to prevent
glass fragments from scattering.
• Be sure to use the lamp dedicated to this projector,
VLT-XD700LP for UD740U. Use of other lamps may
cause a failure of the projector.
A) When the projector is placed on the
table
Make sure that the projector is securely held in place.
1. Remove the cover (a) of the screw fixing the lamp
cover with a fingernail. If it is difficult to remove
it with a fingernail, use a finetipped tool such as
flathead screwdriver.
(a)
2. Remove the screw (b) and slide the lamp cover (c)
for removal.
(c)
(b)
3. Loosen the two screws (d) of the lamp unit, and
then pull out the lamp unit (f) by the handle (e).
(d)
Caution:
• When replacing the lamp, do not loosen the
screws other than two screws (d). It may cause
the failure of projector.
• Pull the lamp unit out of the projector slowly.
If it is pulled out quickly, the lamp may break,
scattering glass fragments.
• Do not spill liquid on the removed lamp unit or
do not place it near any flammable object or
where children can reach to prevent injuries or
fire.
4. Insert the new lamp unit, and secure it with two
screws firmly.
5. Secure the lamp cover with screw (b) back again,
and mount the cover (a).
Caution:
• Make sure that the lamp cover is secured firmly.
Otherwise, the POWER indicator flashes red and
green, disallowing the projector to be powered
on.
B) When the projector is mounted to the
ceiling
When removing the lamp unit from the projector
mounted to the ceiling, never fail to use the lamp
replacement attachment to protect yourself from glass
fragments and so on.
• Contact your dealer when replacing the lamp unit
with the projector mounted to the ceiling.
1. Remove the lamp cover referring to the procedure
1 and 2 of "A) When the projector is placed on the
table".
Caution:
• When opening the lamp cover to replace the
lamp of the ceiling-mounted projector, pay
careful attention because glass fragments may
exist inside the lamp cover.
2. Loosen the two screws (d) of the lamp unit.
(d)
Caution:
• When replacing the lamp, do not loosen the
screws other than two screws (d). It may cause
the failure of projector.
EN-60
(e)
(f)

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