I HAVE A SEARS LXI TV (NOT SURE HOW OLD, BUT ITS OLD) AND WHEN I TRY TO PROGRAM THE CHANNELS, IT ONLY PROGRAMS UP TO CHANNEL 65. MY CABLE GOES UP TO CHANNEL 80 BUT FROM 66 TO 80 WILL NOT PROGRAM. I DO NOT HAVE THE ORIGINAL REMOTE. ANY HELP WILL BE APPRECIATED

donE, October 2009