ATTEMPTS TO TURN ON TV FAIL WITH REMOTE OR POWER BUTTON ON THE CONFOLS. GREEN LIGHT COMES ON FOR A SECOND THEN RED COMES ON IMMEDIATELY SHUTTING THE TV OFF. IT APPEARS FOR THE SECOND TV IS TRYING TO BEGIN SCANNING FOR CHANNELS. TURNED OFF FOR 30MIN PER MANUAL AND TRIED AGAIN WITH NOT CHANGE IN WHAT IS HAPPENING. PLS ADVISE WHAT WE MIGHT TRY NOW.