All projector lamps have an expected operating time called lamp life.
Projection lamp is nearing end of life.
They will slowly grow dimmer and less effective over time.
Turn the projector off and back on.
An individual lamp s light output duration is based on a bell curve so that a majority of but not all lamps will meet the lamp.
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Clean using only a lens cloth and a proper solution.
Or have a done something wrong.
Those materials are available from photography stores.
Except for some entry level projectors most lamps retail for 199 to 449 range.
The rated life is what the manufacturer estimates will be the number of hours the lamp will produce at least 80 to 90 useful brightness.
On my sony tv has new projection blub in it today how do i make it go offf.
The tv is working finenow.
It s the bigger more powerful business projectors on one hand think 8000 lumens and up and some of the mid high end projectors 4000 and up where 400 or 500 is not uncommon.
For basic troubleshooting information see the links below.
These lamps do not simply burn out at the end of life like halogen lamps.
Why is tv saying projection light blub is at its end of life please replace soon.
Most projectors have a built in lamp hour counter.
Bad rear projection tv bulb.
Newer models claim 5 000 hours of lamp life and more.