Thanks for pointing out the likely culprits, Don. That's quite a record of
repair jobs...it's no wonder you know your way around the K2!
I figured it was unlikely to be the encoder but I thought I'd check just in
case.
73,
Steve VE3SMA
On Monday, June 10, 2019, 10:21:10 a.m. EDT, Don
Steve,
It is rare to find a faulty encoder. Those encoders are the optical
type and almost never fail. I have seen only one failure in the time I
was repairing K2s and I have dealt with over 1000 repairs.
I would first reflow the soldering on the encoder wires and Front panel
U3 as well
One of my K2's has developed a problem where it is (somewhat intermittently)
unresponsive to turning the tuning knob. Turning the knob may or may not, at
different times, cause the radio to change frequency. Pushing on the
case/panels and tapping the tuning knob sometimes seem to help, so I
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