[Hallicrafters] Help with SX-101 Mark III

[Dave Moorman]

:-)   Oh, yeah.  It's probably C95!

I had another question for Markus -  What led you to focus on the BFO as the
source of the instability rather than the LO?

Dave K9SW




> From: "Kenneth D. Grimm, K4XL" <kgrimm at adelphia.net>
> Organization: BoatAnchor Manual Archive
> Reply-To: "Kenneth D. Grimm, K4XL" <K4XL at arrl.net>
> Date: Sat, 11 May 2002 23:19:57 -0400
> To: "Dave Moorman" <dmoorman4 at attbi.com>, "Hallicrafters/qth.net"
> <hallicrafters at mailman.qth.net>
> Subject: Re: [Hallicrafters] Help with SX-101 Mark III
> 
> I just basically said what you did, Dave, in a message to Markus.  You
> are right, C92 is listed as a "molded" paper cap...maybe even an evil
> "Black Beauty."  It is obviously suspect, but C94 is a 560 pf 500V mica,
> and despite conventional wisdom about mica caps never going bad, I wish
> I had a dime for every bad mica cap that I've found causing problems in
> an oscillator circuit.  Since Murphy is always around, it will probably
> be C95, a 10pf N4700 that is probably rarer than hen's teeth!  8*)
> 73,
> Ken K4XL