While I was out of town my Sharp 52D62U locked up. The error is "No broadcast now [E203]". Sharp is sending out a technician to look at the TV. They'll be here Thursday of next week. I didn't speak to them, wife did while I was out of town.
Any ideas on things I can do to try to troubleshoot the beast? We've tried unplugging it and leaving it off for hours. As soon as you plug it back in, it immediately powers up to this error message. The remote won't do anything.
I've searched on the error E203 and have only found threads that point to the 37" models.