[Elecraft] 2 Band K1 Dead - Help!

[Don Wilhelm]

Marc,

You have provided very little information, but D10 can short if operated 
for a substantial period into a high SWR (its purpose is to protect the 
PA transistor).

If D10 is shorted, it will produce a short on the DC input voltage.

You can try removing D10 (and check for a charred T4 at the same time) 
and see if the K1 works into a dummy load - if so, replace D10 and enjoy.

If the problem is not D10, I will need more detailed information for a 
2nd guess.

73,
Don W3FPR


Marc G0AZS wrote:
> Hi All
>
> I bought a previously built 2 band K1 (80m and 40m) a few weeks ago. 
> It's been going really well and I've thoroughly enjoyed using it... 
> BUT This morning I wanted to have a quick listen/QSO before work and I 
> went to tune up my G5RV on 80m with my Z-11 autotuner.
>
> Unfortunately I forgot to reduce the power before tuning (I normally 
> tune up with 1W or less) and I hit the tune button with about 5W from 
> the K1. It started tuning but after about 2 seconds, the K1 died 
> completely and cannot be resurrected.
>
> I will have a look at it tonight but has anyone had a similar 
> experience or have any ideas about where to check first?
>
> 73 Marc G0AZS
>