Question about Sony KP-43HT20 43" Rear Projection HDTV-Ready Television
Other than a circuit problem it may be dirt or dust on the lens. The model indicated has 3 picture tubes.
If you unplug set and remove back cover you should be able to see and reach the large black lens dead center and above the circuit boards. If the lens are very dirty the picture will be dark and dull looking.
There is also at inside top back of set a mirror--if it is dusty or has grime on it, same thing--not as easy to get at but with back off you can use a small mirror to examine it.
Clean the lens with a lens cloth or a paper towel with glass cleaner sprayed on the towel.
With back off, 2 minute job and if picture now much brighter, you are in business. Lens, depending on how much dust etc in your area should be cleaned one time a year or more-----do it yourself job and easy.
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Posted on Aug 19, 2010
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Posted on Jan 02, 2017
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