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Thank you very much for your video,it did help me the problem with my TV was in the remote control when I hit the mute button and hit it again I had sound but when I hit the button for the program information there is another button right next to it and I did not pay attention and without knowing I hit the SOUND button and after I hit the button it took like about 3 min.and from then on I had no audio in that channel,thank you again Congratulations,Thanks to you the sound is back again.