The remote for my TV stopped working today. Neither my cable remote nor the remote that came with my TV would work on the TV, so I knew it was a problem with the IR receiver, rather than the remote. I figured I'd probably have to get LG to replace the IR receiver, but I went ahead and Googled for problems with LG remotes, and found
this. AVS Forum rules! I just sprayed some CRC 2-26 on a headphone jack, popped it in and out of the remote port in the back of the TV a few times, and everything works fine now. Sometimes, the internet is exceedingly helpful.