DU6771 DLP Projector User Manual
56
UN67711216EN00
Replacing the Projection Lamps
Depending on the lamp model, the lamp life may be affected by the installation conditions and frequency of the lamp
on/off operation. It is suggested to replace the projector lamp when the lamp is used for approximately 3000 hours to
ensure high projection quality even the lamp can still work, please check the lamp usage from SERVICE Menu. Contact
your local dealer to purchase the authorized new lamp suitable for your projector.
Do not open any product enclosure and check the inside of the projector, inappropriate attempts to
service the unit by anyone, especially those who are not appropriately trained to do so, may result in
an accident or injury caused by pieces of broken glass or electric shock.
Be sure to turn off the projector and AC power of the projector before replacing the lamp.
Lamp Handling Precautions:
This projector uses a high-pressure lamp which must be handled carefully and properly. Improper
handling may result in accidents, injury, or create a fire hazard.
If the projector indicates that the lamp should be replaced, i.e., if LAMP1 or LAMP2 LED lights up,
replace the lamp with a new one IMMEDIATELY after the projector has cooled down. Continuous use
of the lamp with LAMP1 or LAMP2 LED lighted may increase the risk of lamp explosion.
A Lamp may explode as a result of vibration, shock or degradation as a result of hours of use as its
lifetime draws to an end. Risk of explosion may differ according to the environment or conditions in
which the projector and lamp are being used. If a lamp explodes, please disconnect the projector’s AC
plug from the AC outlet immediately and contact an authorized service center or local dealer.
Be sure to turn off and unplug the projector at least 30 minutes before replacing the lamp. Failure to
do so could result in a severe burn.
Safety glasses should be worn when replacing the lamp while the projector is mounting to the ceiling.
Lamp life may differ from lamp to lamp and according to the environment of use. There is no
guarantee of the same life for each lamp.
Purchase the lamp module produced by Vivitek only. Using the lamp that is not made by Vivitek may
affect the performance of the projector or damage the projector.
Using the lamp over the lamp life limit may cause to lamp crack, please replace the new lamp even
the lamp can still work.
Recommend to regularly check the lamp and the brightness of projected image.
Brightness decay of upward or downward installation is faster than desktop or ceiling installation if
using regular lamp module. Refer to laboratory test results, Lamp life may be reduced to 50-75% of
the life which the projector is installed by Desktop or Ceiling installation. Recommend to replace lamp
module to specified part number for Upward or Downward installation, please consult the local dealer.
1. Turn off the projector and unplug the power cord. Wait till the projector, lamp and peripheral devices to cool off.
Turn off the power.
Switch off the AC power
Unplug the power cable
2. Loosen the screw on the lamp cover and take the lamp cover out as shown
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