I have a question as I am going thru a service issue with my Toshiba 50H81. The TV went out back at the end of July. They replaced a resistor which didn't work so they ordered a new main board. The main board was replaced and the TV looked like crap and I no longer had the Normal, Theaterwide 1,2,3, Full modes. I now had Normal, Letterbox, Compression, Zoom (sounds like 4x3 stuff). Tech adjusted picture in the service mode on Sat but the modes aren't back. I told him I am ready for an exchange since this is getting ridiculous. He's coming this Sat AGAIN and he says he has the adjustments for the TV but he doesn't appear to know whether it will change the modes to the Theaterwide and Full modes. My question is, is this even possible to do within the service menu of the television? I looked up all the abbreviations I could and I saw nothing related to that. It seems like that would be some EPROM on the board controlling that. Hopefully someone out there knows this so I know what to expect. He said if it doesn't, then we'll look at an exchange. Of course, I can always bring up the Toshiba "jailer bars."