I recently acquired an AZTRON 34841. It was badly in need of a cleaning and I was told that it doesn't work. It does power on, but when the tape decks are activated the only thing that happens is a strange sound from inside the box, none of the rollers roll. My question is, does anyone have any information on this box? i.e. parts list, where to get parts for it, etc. So far I've only been able to find photos of it and that's it.