[Elecraft] KX3 Shutdown

[Barry LaZar]

John,
     Thanks. I'll check that. I hope that is all it is as that is the 
same  35 Amp supply that I use.

73,
Barry
K3NDM


On 10/7/2014 3:25 PM, John Nogatch wrote:
> On Tue, Oct 7, 2014 at 6:40 PM, Barry LaZar <k3ndm at comcast.net> wrote:
>> ... has begun to shut down unexpectedly while running CW or SSB. The
>> power supply is an Astron 35 Amp linear that appears to be rock solid....
> I had a similar problem with my K3. Suspecting a power supply problem,
> and after reading:
>
> http://www.repeater-builder.com/astron/astron-intro-stuff.html
>
> I found that the RS-35M pass transistor mounting screws were slightly
> loose, i.e. I could easily tighten them perhaps 1/8 turn.
> After adding "split-ring" lockwashers to the pass transistor mounting
> screws, the problem has not recurred.
>
> Also, I have added fans to the backs of the heatsinks. The RS-35M no
> longer gets hot, like it used to.
>
> -John AC6SL
>