[Elecraft] Failing K3 at 3C0L

[W0MU Mike Fatchett]

Honestly they should make that a simple field replaceable part.


On 10/27/2017 1:02 PM, Dave Hachadorian wrote:
> Diode D5 on the KXV3 is one weak link.  A more robust replacement
> is available from Digikey for $0.42
> https://marc.info/?l=elecraft&m=145323127930319&w=2
>
>
> Dave Hachadorian, K6LL
> Yuma, AZ
>
>
>
> -----Original Message----- From: brian
> Sent: Friday, October 27, 2017 10:35 AM
> To: elecraft at mailman.qth.net
> Subject: Re: [Elecraft] Failing K3 at 3C0L
>
> I'm going out on a limb. I've heard that some other DXpeditions
> had K3
> failures in the RX section.  RX dead TX OK.  Apparently, the
> protection
> circuitry was not enough in the close quarter multi-transmitter
> operations.  It would be nice to know the details or if this or
> is just
> rumor.  If this is so what in the field fixes could be done?
> Alternatively, what additional steps in such contemplated
> operation
> could be taken to further minimize such failures.
>
> 73 de Brian/K3KO
>
> On 10/27/2017 17:02 PM, Merv Schweigert via Elecraft wrote:
>> Here is the latest from 3C0L guys,  and an insight to the K3
>> failures,
>> lot of negative comments on some lists,  this puts it in
>> perspective.
>>
>>
>>
>>    Regarding K3s - those who posted negative comments on
>> DX-Cluster about
>> failing K3s, please bear in mind the conditions they were being
>> operated
>> at 3C0 (jumping mains voltage 120-180 V). If you dare to test
>> transceiver,
>> or even better - two of them - of your beloved brand in similar
>> conditions
>> for about 12 days, then lets compare the results."
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