[Elecraft] KPA1500 DC Connector Failure

[Jim Rhodes]

I would certainly stop using it until you find the problem. Could be that
one or both of the contacts on either the cable or amp has lost its temper
and is not making a solid contact. Would tend to get very hot and possibly
cause further damage if not fixed.

On Tue, Dec 22, 2020, 00:11 Dave <dave at ad6a.com> wrote:

>
>
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>  That's how it used to work, yes. Now it pushes all the way in but it just
> won't stay there. The clicks are gone. I'll have to look at both sides of
> the connector and compare with new ones.
>
>
>
> Dave AD6A
>
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> >
> > On Dec 21, 2020 at 9:43 PM,  <Hisashi T Fujinaka (mailto:
> htodd at twofifty.com)>  wrote:
> >
> >
> >
> >  Two clicks? You push it in and there's two clicks. Every problem I've
> had (once) was I forgot the second click. On Mon, 21 Dec 2020, AD6A wrote:
> >  Hi Folks,  >   >  I just had a wierd DC connector failure on my KPA1500.
> The 75A power pole connector that feeds the back of the amplifier section
> just falls out. It hasn't been hit/moved or anything for years. The failure
> seems to be due to the weight of the DC cable continually pulling down on
> the connector - the amp section is on my operating desk and the power
> supply section is directly underneath it on the floor. That cable is pretty
> heavy stuff, so I'm not really surprised.  >   >  So, what's the fix? Has
> anyone else had this issue?  >   >  I can easily replace the power pole
> connectors at the amp end of the cable (maybe just lose a couple of inches
> of the cable - not a big deal), but what if the "wear" is in the connector
> part that's soldered to the PCB inside the amp section? I guess I could
> take it all apart and repla
>  ce them
> if needed....but I'd rather not have to.  >   >  Any ideas?  >  Cheers es
> 73,  >  Dave Fifield  >  AD6A  >   >  --  >  This email has been checked
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