[Amps] Commander HF-1250 problem

Hardy Landskov n7rt at cox.net
Tue Nov 19 08:06:48 EST 2013


Doug,
Write down what you do. I had to replace the HV meter resistors in my 6 
meter Commander. They are under the RF deck along with the filter 
capacitors! Commander was never big on serviceability. After that two day 
adventure, I called it "The Amplifier From Hell".
73 Hardy N7RT

----- Original Message ----- 
From: "doug ferguson" <thenewt at msn.com>
To: <amps at contesting.com>
Sent: Monday, November 18, 2013 11:35 PM
Subject: [Amps] Commander HF-1250 problem


> Thanks for the replies.  I checked out the cord, plug and all other 
> obvious connections
> that I could reach and everything is hardwired in place and nothing loose. 
> It was
> suggested that it's probably a power supply component which I'm afraid is 
> probably
> the case.  They are very tough to get at so was hoping it was something 
> easy.  One
> other thing I found is some sort of solid state relay between the power 
> switch and
> the transformer.  Not sure how to test it so guess I'll start the research 
> on that
> before I start tearing the tank apart.
> 73,
> Doug - N7NM
>
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