I HAVE A NAKAMICHI RX-303 CASSETTE DECK THAT I BOUGHT AT A THRIFT STORE. I BROUGHT IT HOME AND PUT A TAPE IN IT AND IT WOULDNT PLAY FF OR REWIND, SO I OPENED IT UP AND FOUND THAT THERE WAS A SMALL BELT MISSING. THE CAPSTAN BELT WAS FINE. I REPLACED THE 1 BELT AND TRIED IT AGAIN AND IT RAN REAL FAST IN PLAY.IS IT A MAJOR PROBLEM? WHAT CAN I DO TO RESOLVE IT? ANY HELP WOULD BE APPRECIATED. STEVE!