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Projection bulbs provide a high-intensity light. Most have an approximate 2000 hour life. This can vary greatly depending upon factors such as how often you turn it on and off and how often and how well you clean the filters. As the bulb begins to reach its life expectancy, it will start to get dimmer. A 2000 hour hour bulb, if it reaches that time frame, is expected to be putting out 50% (half) of the brightness that it did when new. It may simply be time for a new projection bulb.
simple: remove back cover and locate the three large black lens you will see top and dead center, clean them with either a lens cloth or a paper towel with glass cleaner----they are the light source for your picture and should be cleaned once a year---as they get dusty the picture gets darker and duller looking.\\
KP53S65 is a rear projection Sony several years old--It is not a DLP and does not have a bulb--it has three picture tubes---if the set has not been serviced in a long time here is what you can do to try to improve it:
1.) Unplug set 2.) Remove back cover 3.) You will see 3 black lens (one for each tube) 4.) With a paper towel (spray glass cleaner on it) clean the dust from the three lens---if they have not been cleaned in a long time and have dust on them the picture will be darker and less distinct.
5.) Replace back cover and plug set in to see if this has helped----I have seen some where there was so much dust on the lens that it looked 50% better after just cleaning the lens--depending on area you live in--should be cleaned once a year.
I do this here for free so if this has helped you please take a minute to give me a vote here.
hi..first check it out the brightness.It is available in the
menu button,available on the top of the tv.If it still doesnt
work Projection TVs have a high intensity lamp as the light
source. They wear out and gradually get dim.You probably
need to replace it.
check it out..
rate my response..
You have to be careful when replacing the projection bulb assembly. Don't aways look for the cheapest as they are rip-offs that do not last long and are not as bright. Dont buy OEM "compatible" only OEM originals. Call Mits Customer Service for advice
Remove rear cardboard cover....can you see tops of red / green /
blue tubes ? Clean lens' with soft , dry cloth......Do you smoke ?
If not , replace back. Picture should now be clearer but not
necessarily brighter.......Next, remove front speaker grill and find
the RGB focus / screen adjust block....turn RGB screen controls
SLIGHTLY clockwise to achieve more brightness....not too much
or you will have retrace lines in background of picture.......Let me know after these steps are done........T.