[Elecraft] K2 K60XV K1 is not switched on

[gt-i at gmx.net]

Don,
ok will do that. Thanks for help!
73 Gernot DF5RF


Am 07.10.2017 um 02:16 schrieb Don Wilhelm:
> 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.
>