[TenTec] RF in Ext. Speaker on Jupiter

[John Serrette - K5ZU]

Roger that!  I would have never suspected the RCA cable but...it happens I guess!

Thanks,
John - K5ZU

--- On Fri, 1/22/10, Phil Sussman <psussman at pactor.com> wrote:

> From: Phil Sussman <psussman at pactor.com>
> Subject: Re: [TenTec] RF in Ext. Speaker on Jupiter
> To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
> Date: Friday, January 22, 2010, 11:01 AM
> Once upon a time I had a problem like
> that. The thing I noticed was that when I 
> keyed up, it would peg a nearby CB FSM. Taking that as a
> clue, I made up a 
> sniffer coil and wired it to the antenna input of the FSM.
> 
> 
> What I discovered was bad solder on a PL-259 connector on
> the back of my amp. 
> It had tested OK with an ohm-meter, but apparently the
> shield was not making 
> good contact with the shell of the connector.
> 
> For RF to get into a speaker you must have exceeded the FCC
> radiation exposure 
> limits, eh? 
> 
> Good luck!
> 
> de Phil - N8PS
> 
> -----------
> 
> Quoting John Serrette - K5ZU <k5zu at yahoo.com>:
> 
> > Yesterday as I fired up the Jupiter and Heathkit
> SB-230 amp, I tuned the amp
> > through a cantenna with no problems. When I tried to
> transmit in CW ... RF
> > blared through the external speaker and also made the
> circuit in the amp
> > relay stay in the key down mode. In order to stop the
> amp from a constant
> > dead key, I had to turn the amp's selector switch to
> exciter only.
> > 
> > In the SSB mode, the amp relay DOES NOT Stick,
> however, RF continues to blare
> > through the external speaker.
> > 
> > Has anyone else had this type of experience and if so,
> do you know a fix?
> > 
> > I am using a brand new AmpKeyer with this rig/amp
> combo and I had no problems
> > until about 5 days after using it.  I checked all
> jumpers and everything
> > appears to be ok.
> > 
> > Any help is appreciated!
> > 
> > John - K5ZU
> > 
> > 
> > 
> > 
> >       
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> > 
> 
> 
> 
> 
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