[Amps] Commander 2500 Magnum

[Jim Smith]

Hi Art

I've got a Palstar HF 2500/HF 2500 Magnum owner's manual   Rev 2.3 12 
Nov 2009.

According to pg. 23, Tuned Input drawing, the plate choke relay is 
energized on 10, 15 and 20.  Well, it appears to be.  The band-switch 
wafer which selects the various input networks is nowhere to be found on 
the drawings.

I also have Rev 2.4  04 Mar 2010 which I found on the net.  Shows the 
same thing.

I could send it to you but it's over 6 MB.  You should be able to find 
it by googling palstar hf2500 manual

Can't help you with the rest of it.

73, Jim`VE7FO

On 2/5/2013 1:57 PM, Sellers wrote:
> I was changing bands during  a contest recently and didn’t put the AMP in stby.  Well I arced the tune cap.
> Nice glob of metal.  I replaced the cap with a new one from Oren Elliott.  All went till I tried to tune up on
> 20,15,and 10.  160,80,and 40 work fine, 1500 watts on them all.  On the upper bands it will only output
> 500 watts at best.
> The final have to RFC chokes, one that covers 160 thru 20 and the other for 15 and 10.  The schematics for this
> beast are lacking at the best, built by Palstar, I’m wondering if the 15 and 10 RFC is also enabled on 20, the schematics
> show only 15 and 10.  Does anyone have experience with 2500 Magnum and if there is a way to defeat the HV
> and get the control circuits operating so as to test the HV RFC relay?
>
> Art W3TZ
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