Home Forums GuitarPCB Build Support 4-Track Fuzz (solved)

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  • #16629
    The Bass Riff
    Participant

    Hi everyone! This is my first post. I have recently completed this 4 track fuzz build and It is not working. It is not passing signal when engaged or bypassed. When I plug in both cables and plug in the power supply the LED lights up green and when I click the footswitch it turns red. When I disconnect the power supply and us a 9V battery the LED doesn’t light up. Where would you suggest to start with troubleshooting? I don’t have  an audio probe. I have reflowed solder on all of the points besides the ones on the bottom of the board that are blocked by the pots. Any help is greatly appreciated. Thanks!!!

    -Jason

     

    #16631
    wilkie1
    Moderator

    Your input jack wiring appears to be incorrect.  Consult the wiring diagram here: https://guitarpcb.com/wp-content/uploads/bpfed/Wiring-Diagram-both-methods-2.png

    The black battery connector wire needs to connect to the RING contact on the input jack.  That will connect the battery when a plug is inserted into the input jack.

    #16632
    The Bass Riff
    Participant

    Thanks so much! I had both jacks wired incorrectly. I was sort of looking at the jacks spun 180 degrees when I wired it up the first time.

    -Jason

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