I have a Sharp Aquos 3D 62" 2013. It developed a purple spot 15" x 6" after warranty expired. Called Bestbuy, all they wanted to know was did I have the extended warranty, my answer - no, zero help from BB. Searched google many times, but tonite found help. "purple spot on sharp tv"....guy said to change the settings to "Dynamic Fixed" in the AV mode and so far (an hour) the spot has lightened by about 75% !!! I will post progress in about a week.
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