Tv will have great picture and will work fine for a while, then it will get stuck at the channel you are watching and won't change channels, shut off, etc. The only way to shut it off at this point is to unplug it. Sometimes when you turn it back on it will have different color lines and you have to keep plugging and unplugging it in to get it back to a good picture. Sometimes you have to wait a long time to get it back.