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Schematic + BOM 100n D1,2 1N34A 470K 100n 100K 100n Q1-4 2N5088 390R 100n 470p TONE 100KB 470p 100KB* 100n DRIVE 100KA** 680p 100k 100K trim 100R 470k 100n 100n 100n 470k 100u 390r Original has been produced in both two and three knob versions.
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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.
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Test the board! Check the 3PDT Daughterboard document for details if you’re using one. 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.
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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.
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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.
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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 32mm This template is a rough guide only.
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