Zero Point Mini Help

[StevieM17]

Hey guys,
I just built a zero point mini and first of all thank you brian for the board it sounds soo good, just what i was looking for, buuut somethings gone wrong and there is some unwanted noise with the repeats. Ive noticed some others have had this same problem so I wanted to try and solve this one because ive tried everything that I could think of.

IC Measurements

IC1                  IC2                  IC3
4                      5                      osc
4                      2.5                   4
4                      0                      osc
0                      0                      0
4                      3                      4
4                      2.5                   4
4                      .7                     osc
8                      .7                     8
                      ...2.5 for the rest


Ive tried like a billion PT2399's and bought a bunch from smallbear because I figured price=quality (was I right?) and i jumpered pins 3 and 4 of the pt2399 because brian mentioned that in another thread a while back. everything works great, just the noise. Ive never had any grounding problems with my test rig so I hope that's not the problem.

Pictures




If you need more info feel free to ask and I really appresciate any help!

[jimilee]

Audio probe?


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[StevieM17]

Audio probe?


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I haven't got around to making one yet but I will soon if I cant figure this one out

[jimilee]

I'd start by re flowing everything


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[Luke51411]

Is the noise prevalent at all delay time settings. It's normal to have some noise at longer delay settings.

[StevieM17]

Is the noise prevalent at all delay time settings. It's normal to have some noise at longer delay settings.

yes, it comes in after every repeat. when im not playing its fairly quiet