how do you fix the video for sears LXI slimview?

I need replacement lamps?

lxi 43418?

LXI 20 inch TV stuck in demo mode?

1990 LXI Sears TV/video?

I can't change the channel?

Can I get after-market screens for a LXI 52" B/S tv model # 626-54538 790?

Can't turn off demo feature?

Picture curves in fron sides?

How to clear up cloudy screen?

What would cause my television to turn itself off?

How to do a convergence on a Sears LXI?

Where do I find parts for Sears LXI 1985 TV?