Pete,
Intermittent operation usually means a marginal connections somewhere.
Does your K3 have the gold pins on the Front Panel? If not, I suggest
that you change them.
To test whether the front panel to RF Board pins are the problem, remove
the front panel assembly and plug it back in. If
My K3 has begun experiencing intermittent loss of speaker audio. It
occurs without warning, typically while I am operating but *not* in
conjunction with events such as PTT or CW keying. Physical connection
to the speaker seems fine. It also recovers spontaneously, sometimes.
Headphone audio
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