[GreenKeys] Dovetron MPC 1000R hum

[Cecil Lale]

I have a dovetron MPC 1000R with 60hz hum on the Afsk output. I changed all the diodes and filter caps in the power supply. The hum is still there. Any ideas? I did not change the 2 15volt regulators.thanksCecil 
KF6ZOK
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20231203/0c650b2f/attachment.html>