[R-390] VFO endpoint adjustment - stumped!

[Steve Hobensack]

Don't confuse the brass thermostat adjustment as an end point adjustment!

   I've adjusted several Cosmos pto's. I once found one end-point coil that 
did absolutely nothing when adjusted. Upon close examination under a lighted 
magnifier, the end leads on the small coil touched each other near the 
solder tabs. Actually one small copper wire crossed around a solder tap to 
get to the next solder tab. The varnish had given way to a short. It must 
have been a quality control defect.
...Steve...N8YE

Message: 3
Date: Sun, 29 Jan 2006 22:57:26 -0500
From: "Jim M." <jmiller1706 at cfl.rr.com>
Subject: Re: [R-390] VFO endpoint adjustment - stumped!
To: "Tim Shoppa" <shoppa_r390a at trailing-edge.com>,
	<r-390 at mailman.qth.net>
Message-ID: <001201c62551$49361e60$c4f02141 at your9efcb93c24>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
	reply-type=original

Probably a Cosmos PTO.? The little coil you say doesn't change anything
is
the end point adjustment.? Maybe a previous owner turned it too far in
trying to set the end points and pushed it out of its threads.? The old
(snip)