hw101 problems

Mark S Graalman wb8jkr at JUNO.COM
Sun Feb 1 15:43:04 EST 2004


  I'd check the diodes in the balanced modulator, also see
if the mic amp and/or the cathode follower feeding
the bal. modulator  is oscillating

Mark  WB8JKR


On Sun, 1 Feb 2004 13:30:15 -0500 MIKE BRYCE <prosolar at SSSNET.COM>
writes:
> Hola!
>
> well dug out a winter project that has me stumped.
>
> it's a hw101 with the following problems
>
> everything works just fine in the tune position
>
> when in ssb mode and you key the mic, there's full output and the
> speaker
> produces a tone. (not the side tone)
>
> the carrier balance and null controls have no effect.
>
> tried switching out known good tubes and no joy....
>
> anyone run across this before?
>
> the mic gain control works normally when in tune position...
>
>
> Mike Bryce, WB8VGE
> SunLight Energy Systems
>
> http://www.seslogic.com
> http://www.theheathkitshop.com
>
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