I received a GX-77 recently as part of a purchase of some Bose 901 speakers. It was a "buy it all or nothing" kind of deal. The GX-77 is in non-working condition. So I opened it up and I see there is a tiny thin little belt that is broken. I'd like to replace this and also do a basic tune-up with alcohol while I've got it apart. Is there just the one belt that needs to be replaced, or are there other belts that I just didn't notice? I could only find one belt on the Internet to purchase for it. But there were occasional references to more than one belt in the machine? Other than cleaning everything with alcohol & replacing the belt(s), what else should I do? What will I do with a reel to reel? I remember growing up in the 70's and my Dad had a reel to reel that he loved and would frequently clean. But I don't have a tape colllection. Just the tape that came with this unit that is labeled "a bit of this and a bit of that".