I had a similar problem with the TV randomly changing channels. Try cleaning the touch pad with clean cloth and some screen cleaner. Any grease or smears can cause the capacitance touch sensors to operate erratically.
my tv is 1 month old, i went to turn it on and the power goes on, no picture or sound comes on just the normal tune the tv plays when you press power, this continiues and the tv turns off and then on again, off and on continually.i tried to unplug and pluged back in and the same thing kept happening. whats the issue?

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