[Heathkit] sb-303 problem

Chris Kepus ckepus at comcast.net
Wed Dec 16 23:06:36 EST 2009


Glen, 
Is this LMO load required on the 301 tube LMO version, also?
Chris
W7JPG

-----Original Message-----
From: heathkit-bounces at mailman.qth.net
[mailto:heathkit-bounces at mailman.qth.net] On Behalf Of Glen Zook
Sent: Wednesday, December 16, 2009 7:54 PM
To: bluebirdtele at embarqmail.com; heathkit at mailman.qth.net; yash at aol.com;
John Page
Subject: Re: [Heathkit] sb-303 problem

If the "LMO load" is not plugged into the LMO socket on the back of the
receiver, you will get such a problem unless the receiver is connected to
either an SB-400 or SB-401 transmitter (all 3 RG62/U cables).  The "LMO
load" consists of a 47 ohm resistor soldered across an RCA phono plug.

Glen, K9STH

Website:  http://k9sth.com


--- On Wed, 12/16/09, John Page <k4kwm at hotmail.com> wrote:

I also have an SB303 problem I hope someone can help with. tuning the lower
end of any band the signal breaks into pure noise. Upper end is just fine.
Even swapped the pto with another sb303. Same results. Opened up the pto and
attempted to clean it out but no luck. Other than that it works fine.


      
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