[Elecraft] K2 K60XV K1 is not switched on

Don Wilhelm donwilh at embarqmail.com
Fri Oct 6 20:16:38 EDT 2017


Gernot,

You either have a malfunctioning U1 or you have a bad relay at K1.
Since you were able to get K1 to operate and select 60 meters, I suspect 
U1 is the problem.  Request a replacement from Elecraft support.

73,
Don W3FPR

On 10/6/2017 7:41 PM, gt-i at gmx.net wrote:
> Hello,
> I recently decided to upgrade my K2 to 60m and ordered the K60XV.
> After building and installing the module and all the mods, I could hear 
> signals on 60m, but very very weak. Using the XG3 showed a difference of 
> 8 S-points compared to all other bands. I tried to isolate the problem. 
> I checked if the relay K1 would switch at all (removed U1 b4), ok. 
> Checked if capacitance changes when turning C1/C2 - looks good. Then I 
> installed the module without U1 installed - 60m not recognized any more. 
> Seems that U1 is working, basically.
> Then I fooled the K2 by installing U1 without pin 11 connected (by 
> applying the IC-socket-sandwich trick). And ok, I could now tune 60m 
> properly and to the same level as 40m.


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