This tv have a colors wheel design in it to this tv.The buzzing noises and the colors are all screwed up because the colors wheel is worn out and spinning off of is axis and rubbing it against the wall of it hall of the steal box frame that hold the colors wheel itself.Don't attemp change the colors wheel by ur self,if u have no mechanical skills.Bacause the colors wheel itself sit way back of the tv,have to take out many mechanicals parts,before can come to the colors wheel itself to replace it.Because u will regret it later if u putting the colors wheel itself in wrong.Hire a tv repair person to replace it.
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