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Re: AL80-A


Mike(W5UC) & Kathy(K5MWH)
 

I'm not familiar with this amp, but a good guess is that I would look for a shorted diode or diodes in the power supply.

73,
Mike, W5UC



At 07:27 PM 12/27/2006, you wrote:

The problem at this time is that the amp takes out the 10 amp fuses
when I turn it on. High voltage problem?

--- In ham_amplifiers@..., R L Measures wrote:
>
>
> On Dec 27, 2006, at 12:31 PM, Tony King - W4ZT wrote:
>
> > The AL-80A manual can be downloaded from
> > <> or a paper copy can be obtained
> > directly from Ameritron.
> >
> > pentalab wrote:
> > > --- In ham_amplifiers@..., R L Measures wrote:
> > >> Hi, Vernon
> > >> .
> > >> 6. inspect the 10m and 15m L, plus the 80m & 160m Tune-C-padder
> > >> bandswitch contacts.
> > >
> > > ##### Rich.... do they actually pad the C1 tune cap on 160 + 80m
> > > on a AL-80 B ??? I can understand maybe padding the C1 cap on
> > > 160m... but not 80m.
> >
> > The schematic shows padding C1 on 160 meters only but padding C2 on
> > 160,
> > 80 and 40 meters.
>
> Sorry, Jim. My mistake.
> >
> > >
> > > ### I think they pull the same stunt on the TL-922 on at least
> > 160m ?
> > >
>
> The 922 uses Tune-C padders on 160m and 80m.
> > > ## I can see now where these amps could easily give plenty of trbl.
> > > There is one heluva lot of RF on a tune cap as is.
> > >
> > > ### padding a load cap is no big deal... padding a tune cap is a
> > > big deal.
>
> agreed
> > >
> > > Later... Jim VE7RF
> > >
> >
>
> R. L. Measures, AG6K, 805.386.3734
> r@..., rlm@...,
>

"age & treachery will overcome youth & skill"

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