Important notes If you’re using any of our footswitch daughterboards, DOWNLOAD THE DAUGHTERBOARD DOCUMENT • Download and read the appropriate build document for the daughterboard as well as this one BEFORE you start. • DO NOT solder the supplied Current Limiting Resistor (CLR) to the main circuit board even if there is a place for it.
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Schematic + BOM 10u elec 1N4001 3n3** Q1-2 BC107*** 10u elec 100u elec 10KA 100R 50KA BIAS 470-500K *R4, R5 and the BIAS pot should be left out if you’re going for an internal preset bias control. Use only T1 instead. If you want an external bias leave out T1. More details on next page.
BIAS CONTROL The power and signal pads on the PCB conform to the FuzzDog Direct Connection format, so can be paired with the appropriate daughterboard for There’s no ‘right’ setting. If you’re using an quick and easy offboard wiring. Check the internal trimmer, set it in the middle and adjust it separate daughterboard document for details.
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Test the board! Check the relevant daughterboard document for more info before you undertake this stage. 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 (if using a daughterboard please refer to the relevant document) BOARD BOARD INPUT BOARD BOARD BOARD BOARD BOARD BOARD BATTERY Wiring shown above will disconnect the battery when you remove the jack plug from the input, and also when a DC plug is inserted. The Board GND connections don’t all have to directly attach to the board.
3 mm This template is a rough guide only. You should ensure correct marking of your enclosure before drilling. You use this template at your own risk. Pedal Parts Ltd can accept no responsibility for incorrect drilling of enclosures. FuzzDog.co.uk...
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