[Heathkit] HW 101 problem

Jim Fisk w0jlf at msn.com
Fri Apr 24 09:15:54 EDT 2009


Thanks to all that replied, I will try to work on it again this weekend.
73
Jim

> Date: Thu, 23 Apr 2009 22:23:59 -0500
> From: jaydawg at dfwair.net
> To: w0jlf at msn.com
> Subject: Re: [Heathkit] HW 101 problem
> 
> You mentioned it was arcing from the tuning cap to the frame. 
> I had a similar issue with a Swan 350. Ultimatly the problem was dirty transmit contacts on the T/R relay. 
> Basiclly the transmitter was running into no load..would recieve great but on xmt the fire began LOL.
> About 15 minutes of burnishing and De-Oxit cured the problem. 
> 
> Another thought, after the P/S rebuild did you check the bias setting?
> 
> and last, is this an "all band" problem or limited to 15m and 10m?
> If that's the case check neutralization.
> 
> Hope this helps..
> "Jay"  NS5F
> 
> -----Original message-----
> From: "Jim Fisk" w0jlf at msn.com
> Date: Thu, 23 Apr 2009 19:28:28 -0500
> To: Heathkit at mailman.qth.net
> Subject: [Heathkit] HW 101 problem
> 
> > I am working on my HW101, it has developed a problem when tuning up
> > 
> > When I get close to 5/8ths of the way on the rf out meter scale it jumps and
> > pins the meter then it also starts arcing
> > 
> > On the side of the final tuning center section of the capacitor  to the
> > frame.
> > 
> > If I stop tuning before arcing starts unit seems to transmit O.K.
> > 
> > The only thing that has changed lately in the system is a rebuild of the
> > power supply about 6 months ago.
> > 
> > Do I have a 6146 going bad?
> > 
> > Any ideas?
> > 
> > Thanks
> > 
> > Jim
> > 
> >  
> > 
> >  
> > 
> >  
> > 
> >  
> > 
> > ______________________________________________________________
> > Heathkit mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/heathkit
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:Heathkit at mailman.qth.net
> > 
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html


More information about the Heathkit mailing list