Your Source for DIY Pedal PCBs and NostalgiTone! GuitarPCB Forum GuitarPCB Build Support SWAH V5 Bias working – no effect (solved)

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  • #29636
    Anonymous
    Guest

    Hi everyone,

    i just finished my first guitar pcb build and only bias is working probably, but no effect.
    Otherwise i have done maybe 10 Musikding-builds, so i am just at the beginning.

    I searched the forum for similar topics, but found nothing, that helps me with the problem

    The 14 pin socket was missing one pin, which i fixed with a wire, which should work probably,
    but if you think that could be the problem, let me know. I highlited the Pin that was broken in the image.

    Also i am not sure about the direction of Diode D3.

    Hope someone can help, because the Bias sounds promissing.

    Best regards
    Sven

     

     

    #29646
    Barry
    Keymaster

    D3 you are using a Russian diode so it is in backwards. All Russian germanium diodes are opposite orientation.

    #29649
    Anonymous
    Guest

    Hi Barry, thanks a lot. Works perfect now.

    it is so easy, if you know what to do ????

    Best regards

    Sven

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