Home Forums GuitarPCB Build Support delay has noise (answered)

This topic contains 2 replies, has 2 voices, and was last updated by  robin edge 2 weeks, 5 days ago.

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  • #3587

    robin edge
    Participant

    I built a d’LAY About 3 months ago.It has tap tempo.It worked great.Now the repeats are very distorted.I changed delay chip with a new one but no difference.Any ideas?was a really nice delay.

    #3588

    Barry
    Keymaster

    This could be caused by so many things.

    My first and easiest step would have been as you guessed to try another chip. After that I would re-flow all the solder joints both On and Off board as well as joints connected to jacks and power. All of them. I would also check for any wiring on any part of the circuit to have a loose connection perhaps dangling by a wire hair. The entire circuit.

    If that does not pan out (and it certainly doesn’t hurt) then as I said there is a lot to check and we would need a lot more info to go on, namely voltages and photos.

    This is also a perfect example of where an Audio Probe comes in very handy so you can isolate the problem area on a large circuit board quickly without guessing. There is more info in a PDF and photo we created on the Guides Page

    Use the Audio Probe and follow the audio path highlighted in your build document and listen for where it goes bad and you will know where to focus your efforts.

     

    #3589

    robin edge
    Participant

    Thanks will do.Great sounding delay.Have built several of them..was hoping for a quick fix.Lol

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