[Kenwood] ASTRON RS-35M

[Tim Billingsley]

I currently have 9 spares. ;-)

On Nov 11, 2016 21:49, "Jim Miller" <JimMiller at stl-online.net> wrote:

> The only other problem I have experienced with the Astron was a 20 amp and
> I
> probably was running it too hard and it blew the 723 chip.  I now have a
> 723
> chip taped to the inside of the lid in each of my Astrons.  Haven't needed
> another yet. Conclusion is to get a spare and you will never need it hi hi.
>
> 73,Jim KG0KP
>
> -----Original Message-----
> From: Kenwood [mailto:kenwood-bounces at mailman.qth.net] On Behalf Of Jim
> Miller
> Sent: Friday, November 11, 2016 9:31 PM
> To: 'Kenneth G. Gordon'; 'Tim Billingsley'
> Cc: Kenwood at mailman.qth.net
> Subject: Re: [Kenwood] ASTRON RS-35M
>
> Same thing here.  I called Astron, described the problem and what I had
> done
> and he told me what to try.  Turns out that my problem was the incorrect
> resisters in the crowbar circuit that would sense over current and trigger.
> I asked what they should be/measure and it had the wrong resister
> installed.
> I dug in my bins and came out with one that I could parallel with what was
> there and it worked.  In my case it would only handle about 15 amps then
> trigger instead of carrying anything more.  I am sure that is why the
> previous owner had sole it.  The call cign on the back wsas not the person
> I
> bought it form and I knew the call sign owner.  He wouldn't acknowledge
> knowing anything about the problem, said he hadn't used it for that much
> power (or course).  Still have it and it works great.
>
> 73 Jim KG0KP
>
> -----Original Message-----
> From: Kenwood [mailto:kenwood-bounces at mailman.qth.net] On Behalf Of
> Kenneth
> G. Gordon
> Sent: Friday, November 11, 2016 2:43 PM
> To: Tim Billingsley
> Cc: Kenwood at mailman.qth.net
> Subject: Re: [Kenwood] ASTRON RS-35M
>
> Tim:
>
> Many years ago, I had a similar, if not identical, problem with a couple of
> Astron RS-35s. At that time, I called Astron, mentioned the problem, and
> the
> designer told me of a design or build error which could be easily fixed.
>
> I am going to have to look in my voluminous files for the exact
> information,
> but will do so and will get back with you as soon as I possibly can. I only
> hope I can still find it.
>
> Whatever it was that he told me was extremely easy to fix.
>
> Hang in there for a bit.
>
> Ken W7EKB
>
> ---
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