"transistorphonics"

[Domenic M. Mallozzi]

Hi

Not quite what I would call microphonics but had some problems years ago with
a similar problem on a radio that had PC boards that made ground connections
through the screws that mounted the pc boards to the chassis. Removed screws
than using very fine sandpaper cleaned the surfaces where the chassis and pc
board ground traces touched. Than reinstalled the screws. Things got back to
normal.

Might work.


Regards


Dom
N1DM

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