Question about Samsung HC-R4755W 47" HDTV

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Color is faded and not very bright and gets darker toward the edges

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MODEL PICTURED IS REAR PROJECTION WITH PICTURE TUBES.

IF IT HAS NOT BEEN "SERVICED" FOR SOME TIME TRY THIS:

WITH SET UNPLUGGED REMOVE BACK COVER---LOOK UP AND LOCATE THE THREE LARGE ROUND BLACK LENS--they can be cleaned with either a lens cloth or a paper towel with glass cleaner sprayed on it.

They are the light source for your picture and if even moderately dusty will make picture duller and darker than it once was.

Cleaning, depending on how dusty a environment you have the set in, should be done once a year.

If this told you something you did not know rate this solution as very helpful as I do this here for free.

If you have any questions post a comment right here and I will assist you.

SD TECH

Posted on Aug 21, 2010

  • jsuprick Oct 06, 2010

    Just took one apart, the problem with this one is the cooling oil in one or more tubes needs replacing. To determine this, each tube had an expansion bag on the uphill side the tube lens. The bag(s) with yellow or brown oil in it need to be cleaned and replaced, it should be clear.

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