It's a good possibility. Easy enough to tell, though. Using my Consular as an example:
(click image to enlarge)
Forward of the batteries, you can see a bunch of electrical tape with something square underneath. The square thing is the buck puck. If your saber has one, that is where they put it. They "tuck" it in under the front of the board. If your saber has a resistor, it won't have this, or at least it won't be that big square thing. The resistors they use are much smaller than a buck puck.