[sdiy] Problem with 723 PSU

[jorgen.bergfors at idg.se]

>I would try ferrites around the long wire, and use twisted pairs from
>transformer
>to the main unit - just try if it makes any difference. And / or small
>ceramic caps
>across the AC (secondary) to see if the frequency of ringing changes. Best
>to start with that last one, to see if this is the right clue at all.

Thanks for the tips. I did some tests along similar lines, but I don't think I tried exactly what you describe. I'll do some more testing and hope for the best.

/Jorgen