Common faults seem to be total startup failure, random lockups or inability to receive channels.
If anyone has a broken one they wouldn't mind parting with, please let me know. I can pay postage if needed.
z80man: Yes, you are welcome to have a look, how do I get it to you?
z80man: Out of curiosity, what is it you actually want to look at. There's not much inside, its all based on a single BGA chip, and a tuner module.