Lamp Replacement - Mitsubishi Electric TX20U User Manual

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 TX20U/TW21U: VLT-TX20LP
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 directly. It may break and
cause injury or burn.
• 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 grilles 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.
• Be sure to use the lamp dedicated to this projector,
VLT-TX20LP for TX20U/TW21U. 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 flat-
head screwdriver.
2. Remove the screw (b) and slide the lamp cover (c)
for removal.
(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.
EN-67
(a)
(c)
(f)
(e)