sweet smell of sucess-hw101

[DChristopherFall]

I've had this very same fix a number of times too.
Chris, WB6OLJ
Thousand Oaks, CA.

----- Original Message -----
From: Stewart Lyon <stu_w6cux at JUNO.COM>
To: <HEATH at LISTSERV.TEMPE.GOV>
Sent: Sunday, February 06, 2000 4:59 PM
Subject: Re: sweet smell of sucess-hw101


> Mike,
> Remove the 200 ohm balance pot and measure its resistance both end to end
> and center-tap to ends. I'll bet that at least one of the connections is
> open. I've replaced at least 4 of them in -401's and -101's.  I tore
> apart a couple of removed pots and found that the rivet that supposed to
> connect the resistive element wasn't.
>
> The replacement I've used is a 10-turn trimpot with the screw out the
> top. You can get them from Digikey for less than $2. The wire leads are
> usually closer than the old pot but you can bend the leads to fit the
> original holes. It doesn't seem to make a difference whether the trimpot
> is wirewound or cermet. While you are there, also replace the 240 ohm end
> resistors. I have found them way off and drifty with temperature. With
> the trimpot, it's easy to balance the carrier down to zero.
>
> Try it -- you'll like it.
>
> 73, Stu - W6CUX
> Winnetka, CA
> ARRL Life Member (and almost an Extra Class!!)
>
>
> On Sun, 6 Feb 2000 13:51:08 -0500 mike bryce <prosolar at SSSNET.COM>
> writes:
> > boys and girls--keepers of the green
> >
> > I've run the carrier null CONTROL all the way into its stop before I
> > see any
> > carrier drop.
> >
> > the carrier Capacitor does very little.
> >
> > any ideas????
> > Mike Bryce
> > SunLight Energy Systems
> > "Electricity at the speed of light"
> >
>
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