You can go to trophytaker.com and they can answer your questions.
I would say as far as dropping off it has something to do with way arrow is nock on string. As far as not coming all the way up you can adjust tie on cable, move tie downwards. Hard to say about click, not really sure about that without hearing it. Almost has to be spring. I have had mine for year now and have had no promblems, cant say enough good things about it.