My New Toshiba 65H82 just made a popping sound and the screen went black for about a half second and came back and everything seems to be OK. This is the second time it has happened since I got it a week ago. The first time it happened was during normal viewing. This time I was in the middle of doing the 56 pt. convergence and the TV did not reset. It didn't kick me out of service mode. Please tell me it is just burning in and that I am not going to be returning it soon. Is this normal? This is my first RPTV.