[Elecraft] [PX3] Does not respond to the knob being rotated

[Steve]

I have seen a similar issue with my PX3 but it may not be the same or it 
may be related to the root of the problem.

What I notice is what "in the old days" would be switch bounce. What I 
notice (like you) is when I turn the knob fast the value bounces around 
but doesn't go anywhere.  I find that if I turn the knob real slow it 
will work.  The knob is an encoder and must be seeing  CW/CCW pulses out 
of sync or something like that?

Does slow work?

steve WB3LGC


On 10/16/2016 12:34 PM, James Austin wrote:
> My PX3 no longer responds to the knob being turned. The only indication I
> see when turning it is when the marker frequency is being displayed. When
> turning the knob, the displayed marker frequency bounces back and forth
> between something like 14.050.80 and 14.050.85.
>
> The PX3 is otherwise functional.
>
> Any suggestions? I opened it up and all the solder connections for the
> encoder are solid.
>
> 73,
>
> Jim/KA2RVO
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