[Elecraft] KAT100 project - removing the control board

Don Wilhelm w3fpr at embarqmail.com
Sun May 5 10:26:44 EDT 2013


Stan,

Re-read the instructions carefully.  Those Control Board changes are 
only to be done on K2s below SN 3000.  It is already done on your K2 
control board PC wiring.

I would suggest you order the 2 Allen wrenches for the K2.  Not only for 
removing the Control Board in the future, but for repositioning the VFO 
knob and the small knobs on the front panel.
Download the KDSP2 manual so you can reverse the KDSP2 installation 
instructions to remove the KDSP2.  Download the manuals for all other 
installed options while you are at it, you may need them one day, and 
they contain user instructions that are not in the base K2 manual.

73,
Don W3FPR

On 5/5/2013 2:57 AM, Stan AE7UT wrote:
> I'm just finishing my KAT100 build to use with K2/100 SN #7230.
> I did not build the K2 and have never built one - so unfamiliar territory.
>
> The instructions say to pull the control board and KAF2 if present.
> It also says to use the "long handled Allen wrench" - yea I don't have
> that .  This K2 has a KDSP2 installed.  I need to cut the trace and install
> R12 between R8 and R9.
>
> I popped the top panel between the front panel and the KPA100 and can
> see the board and the resistors.  This K2 has a jumper placed where the
> R12 needs to go.  Before I start pulling stuff apart can someone give me
> a bit of a clue how to pull this board?  I don't want to break an excellent
> working radio.  If Don is reading this - it's the one you fixed for me.
> I don't want to have to send it to you again.
>



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