Hi Mike,

I was posting that reply to the side topic of the cheapy
AM/FM that buzzed like a bee.

I don't have a schematic or other info on the SX190. Is is
vacuum tube rectifiers, or selenium?

If it is selenium, they tend to get noisy when they go bad. It could
be they are arcing internally (or breaking over) when they are under
the stress of the peak inverse voltage.

-Chuck, WA3UQV


Mike Knudsen wrote:
In article , Chuck Harris
writes:


A lot of that kind of noise comes from solid state rectifiers in the
powersupply.


But why would the SX-190 suddenly develop this problem, unless it's something
else? --Mike K.

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