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Summary of Contents for FuzzDog MUFF GUN
- Page 1 MUFF GUN Six knobs of Muffy goodness Contents of this document are ©2015 Pedal Parts Ltd. No reproduction permitted without the express written permission of Pedal Parts Ltd. All rights reserved.
- Page 2 Schematic + BOM 100n Q1-5 2N5089 100K 470p 470K 100n D1-4 1N4148 100R 100n 470p 100KA 100n FOCUS 250KB 100n FUZZ 100KA 470p MIDS 100KA 100K 100n TONE 250KB 470K 100KA 390R 100n 100n 390R 100u elec 470K Empty* 100K Empty* 100n CLR (2K2)
- Page 3 THAT PESKY MISPLACED C19!! We all make mistakes... Sometimes they aren’t bad enough to scrap a batch of PCBs and start over. This is one of those cases. C19 needs to be hacked into place as it was accidently connected to the V supply rather than the collector of Q5.
- Page 4 The power and signal pads on the PCB conform to the FuzzDog Direct Connection format, so can be paired with the appropriate daughterboard for quick and easy offboard wiring. Be very careful when soldering the transistors and diodes. They’re very sensitive to heat.
- Page 5 Test the board! BATTERY 9V GND Your nice, new circuit board INCLUDING WIRED POTS!!!! UNDER NO CIRCUMSTANCES will troubleshooting help be offered if you have skipped this stage. No exceptions. Once you’ve finished the circuit it makes sense to test is before starting on the switch and LED wiring.
- Page 6 Wire it up - DC only version (if using a daughterboard please refer to the relevant document) BOARD BOARD INPUT BOARD BOARD BOARD BOARD LED+ BOARD BOARD This circuit is standard, Negative GND. Your power supply should be Tip Negative / Sleeve Positive. That’s the same as your standard pedals (Boss etc), and you can safely daisy-chain your supply to this pedal.
- Page 7 BOARD BOARD BOARD LED+ BOARD BOARD Just because the FuzzDog BATTERY drilling doesn’t allow for a battery, who’s to say you won’t use a bigger enclosure? This circuit is standard, Negative GND. Your power supply should be Tip Negative / Sleeve Positive. That’s the same as your standard pedals (Boss etc), and you can safely daisy-chain your supply to this pedal.
- Page 8 Drilling template Recommended drill sizes: Pots Hammond 1590B Jacks 10mm Footswitch 12mm 60 x 111 x 31mm DC Socket 12mm It’s a good idea to drill the holes for the pots 1mm larger to give yourself some wiggle room unless you’re a drill ninja 35mm 17.5mm...
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