Andy,
D1 is necessary to provide AGC and S-meter indication.
I suspect the owner who lifted the end of D1 wanted AGC OFF all the time.
AGC OFF is available as a 2 button hold (PRE/ATT and AGC) from the front
panel, but it does not survive a power off cycle.
I would think you should reconnect it.
73,
Don W3FPR
On 5/26/2013 8:50 AM, Andy McMullin wrote:
> Hi All,
>
> I acquired my K2 pre-loved (second-hand) and it seems to be working just fine.
>
> However, today I started working on installing a new option into it and I noticed that the diode D1 on the control board has been disconnected at one end (but left soldered in at the other end - so it hangs off the board).
>
> Can someone enlighten me as to why this might have been done? I've looked through the manuals and haven't spotted it as a step in fitting any of the options.
>
> Thanks in advance.
>
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