hey, I've had my mz nh1 for quite a while now but recently it's started playing up a bit. Whenever I've been working and I have it in my pocket, actually sometimes even when it's sitting on the desk, it decided every so often to reset itself. I don't lose any data or anything but it's just annoying cus I'll be listening to music and it'll stop and the wee picture comes up on the remote as if i've just put in a new disc. Any ideas what the problem is?