I'm a litte stumped on the setup problems I'm having. I'm usually pretty good at setting action and intonation, but my Yamaha BBG5S is giving me fits. The neck looks like it has the perfect relief, and the inotnation is really good on open strings, and on open strings, but it's very sharp around the 3rd to 4th fret, like 10 cents sharp. Since the action looks and feels good, and the 12th fret is in tune, I'm not sure what to touch. Any suggestions?