While you wait for answers, we may have found some information which could help you.
Click here for Horizontal Tv Model
Can I get after-market screens for a LXI 52" B/S tv model # 626-54538 790?
how can I fix my LXI television?
HOW CAN I FIX MY LXI TELEVISION, MODEL NUMBER 62654462950?
my LXI tv only goes up to ch. 47. why?
LXI 20 inch TV stuck in demo mode?
Getting tv into vcr mode without remote?