i tried switching over to digital this morning nothing. couldnt even get into the guide for it. so i set it back to shipping condition and started again. now after it has tuned the normal channels in, it comes up invalid dvb channel. also it wont switch over to dvd or sky like it use to and if i switch it of it starts to tune the channels in again. tried 4 times now do you think this plasma is nacked cheers.