first thing you did not mention anything about the sound, if you are getting good sound .if you are not getting good sound associated with the problem you are having.the tech who you carry the set to ,did not check the tuner and the IF circuit there is where the sound and video originate from.if the sound is good then they should have looked in the video circuit a ic conrols that section.i would advice that you take it back and mention it to them.these set are the one that have thier tuner built on the board.and like to have that type of problem sometimes soldering around the tuner casing will solve the problem.good luck,any other question contact me on my email
[email protected] or on this same website.
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