[Elecraft] still have a problem.... still TX on power on --K2

[Jean-François Ménard]

Thanks Arie,

I figured this out too lastnight..... I appreciate your email. You are  
confirming me the problem I hve. I hope this time, when the new IC wil  
be installed that everything would be fine.... :-)

73

Le 08-09-26 à 02:06, Arie Kleingeld PA3A a écrit :

> Sorry to come in this thread so late.
>
> Missed it because of a holidays.
>
> Jean-Francois,
> I had the same thing about a year ago and had to replace the main
> control processor and the sub processor on the ssb board.
> They share the ptt line that is directly connected to mic - jack  
> without
> any protection or buffering.
>
> When I connected some things to the mic jack (for afsk operations) I
> blew up the ptt line because the line for the ptt came from a computer
> which did not share the ground connected with the k2 (yet).  Bingo!
> (Never had the problem with other transceivers. Well, they do not  
> take a
> microprocessor line directly to the outside of the trx.)
>
>
>
>
> 73
> Arie PA3A
>
>
>
>
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============================
De Jean-François Ménard / VA2SS