Most definitely. And if you have a soldering iron and some solder you can save the time, money and trip and just fix it yourself. I don't know what kind of guitar you have. If you've got a pick guard then just take that off and look at the gears, if not then you'd be opening it up through the back of the body. Regardless of where you open it from, open it up, get nice and close to the wires and electronics and look for anything that isn't where it's supposed to be. By that I mean, look at the wires and where they connect to the input jack, volume/tone knobs and see if they're not connected. They should be naturally bent to the area they're supposed to be so that's not really a problem, otherwise if everything looks fine, gently poke the wires to see if they move away from the electronics. Sort of a test if you will, if they're still connected then they won't budge (unless you really let them have it that is), otherwise, if it's already broken then it'll move with your finger. If that's not the problem, then I really don't know.