HW-12 "problem"

[Ray Friess]

as far as the metering goes ... make sure the switches .. especially the
slide switches, have clean contacts.  I saw one that had flaky low
readings and it turned out to be caused by one of the slide switches
having dirty contacts....
ray  wa7itz

Stephen Tetorka wrote:

> Hi all:
>
> I need help.
>
> I'm trying to bring back to life an HW-12.
> It's been inop for over 10 years...and it looks it, too.
>
> I got it ' working ' ...but not just right.
>
> First, let me report that I just got a 15 over S9 about 600 miles away.
>
> Nice...but...my HW-12 meter showed virtually no output nor meter movement in
> " Operate Tune".
>
> Also...while in Tune...my Forward on the SWR has to be set at the most
> sensitive position to see any reading.
>
> I have good output audio since the SWR meter in Forward jumps very nicely
> showing some decent punch.
>
> Lastly...I fried the RF choke on the high voltage B+...just like a fuse on
> old fashion TNT...and even heard it hiss at me while I watched !
> The RF choke on the +250 fried as well !!
>
> Now, the replacement on the HV B+ is hissing again...that's when I shut it
> down.
>
> All help GREATLY appreciated.
>
> Tnx,
> Steve
>
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