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So it turns out the boost issue was just a broken wire from the switch.  So the boost works great now.  I had to give the pedal back to the guy so he could use it for a show but he'll get it back to me in a few days.  I already checked and the right pots are used.

I'm trying to troubleshoot a Krankosaurus for a friend of mine.  He got it off of someone else he knew who was the original builder.  Its got a few issues that have been there since he got it. The most troubling is that the boost circuit does not function correctly. If the boost volume is set all the way up, i can hear a tiny amount of signal coming through with the boost engaged. 

I have already double checked every component on the board, and everything seems to be built exactly to the schematic.

Also, the volume knob is extremely sensitive.  It basically goes from 0 to 9 by just barely turning it up.