[Elecraft] K3 DC output jack fuse

Sat Mar 26 14:24:39 EDT 2011

Thanks.  If it's a PTC fuse, at least it won't require replacing, OTOH, 
it's not going to protect the external switching device quite as well.

In the other direction, it does look as if there'd be no problem if the 
power connector for the P3 or PR6 is plugged into the PTT IN or KEY OUT 
RCA jacks.

73, doug

On 26-Mar-11 10:31, Bruce Beford wrote:
> Doug, N6TQS wrote:
>
>> I like the APP for the main power connector on the K3, but having the
>> 12VDC OUT and the PTT IN connector the same seems a Murphy-proofing
>> fail.  The fuse is very likely to fail before the device that's supposed
>> to drive PTT IN, but ....
>
>> Where is that fuse, anyway?
>
> Sorry for the late reply, Doug. Assuming your are asking about F2, the PTC
> fuse for the 12vDC out jack, it is on the main board, directly beside the
> 12V out connector. You can see it here:
>
> http://home.myfairpoint.net/vze1t5sc/UR_top_RF_bd.jpg
>
> -Bruce, N1RX
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