Mark,
The instructions packed in the encoder envelope tell you to flush cut
not only the pins on the encoder board, but also the leads on the
control board that might contact it.
If you do not have flush (or shear) cutters, and want inexpensive ones,
look for Xcelite (or Lufkin or Cooper) 170M shear cutters. They can
often be found in your local Home Depot.
In addition to flush cutting the boards, put something on the back of
the encoder board - fish paper would be best, but a piece of flat
plastic cut from one of the many plastic wrapped consumer products would
be good.
Paper or electrical tape will eventually puncture.
73,
Don W3FPR
On 5/5/2018 10:58 PM, Mark Petrovic wrote:
While performing the initial power on tests on my K2 S/N 7809, I noticed
that the VFO knob/display tuning test produced a sluggish, intermittent, or
no change in display when I turned the knob in either direction.
I proceeded to remove the two chassis screws securing the control board to
the front panel board. This allowed the control board to relax and
slightly fall away from the front panel board, toward the back of the
radio, opening up the space between the front panel encoder board and the
control board. The display was at once responsive to knob turning on all
RATE settings.
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