NP Electronics Fuzz Face Manual 

To use a PNP Fuzz Face with a normal 9V power supply, you need to include the power inverter section which is C1, C8, C9, D1 and IC1 which is generates the -9V required. Unless you know what you're doing and have a positive ground PSU, you should use all these components, otherwise omit them and solder a jumper bet ...

C: Collector B: Base E: Emitter Trimmers and Jumpers Where a component is listed as jumper, solder a piece of wire between the pads to make a connection. Where Q1 BIAS is not used, you should put a jumper between pins 2 and 3 like the diagram below: Where a trimm ...