I was delighted when my daughter gave me her old PVR - it's a Topfield TF5800. However on some of the channels (including ITV and Channel 4) I am getting a message "no signal at Tuner 2". I have googled this and found this message "most likely" means that one of the tuners has not been connected, or the connection has come undone, so I have checked the connections, which seem OK. It then says I may have too low a signal level for the PVR to work reliably and the aerial may need adjusting to work correctly with digital television. I am getting some digital channels OK, but my TV aerial has been on the roof for over twenty years to the best of my knowledge, and I wonder if I need a different one? Has anybody else had a similar problem, and if so how did you solve it? Do I need to get an aerial specialist in, and if so can anybody recommend one locally? Thanks! I have a load of failed recordings of CBeebies :-$ and I am missing my fix of 3rd and Bird :-$