PreenFM > preenfm2 and preenfm3

[FIXED] pfm2 Eurorack : DIY help, frozen screen

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zmberber:
So I did everything you said.  I heated up all soldering points.  Still weird glitchy stuff happening.  The glitchyness was slightly different, I could go into detail.  But finally I got the idea to change the jumper from BUS to REG, so I get the 5V from the onboard regulator.  Now everything works fine.  I could have saved a lot of time and work if i tried that earlier.  I would still like to know why it acts weird when I set it to BUS.  I am guessing this just means that 5V from my power supply might be faulty (I have never tested the power supply with anything else before).  Maybe I should try a different power supply.  Or what else could be a possible reason?

zmberber:
SOLVED!

There was nothing wrong I think.  I was using a bad power supply.  With a different power supply it works just fine.

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