[Hallicrafters] HT37 "Jumpy"

[Richard Knoppow]

----- Original Message ----- 
From: "Jason Hissong" <jhissong at gmail.com>
To: <hallicrafters at mailman.qth.net>
Sent: Monday, December 31, 2012 2:52 PM
Subject: [Hallicrafters] HT37 "Jumpy"


> Hi Guys,
>
> Fired up the HT37 in preparation for SKN this evening and 
> I was reminded of a problem I have with the HT37.  It 
> seems to jump in frequency in small jumps, not your 
> typical drift.  Pretty much stays in the passband of the 
> receiver.  What would be some good places to check for 
> this issue?  I am thinking it could be mechanical.  It 
> seems to occur on multiple bands.
>
> Thanks es 73,
> Jason N8XE

     I am not very familiar with the HT-37 but one cause of 
this kind frequency jumping is unstable silver-mica 
capacitors.  The jump in value suddenly.


--
Richard Knoppow
Los Angeles
WB6KBL
dickburk at ix.netcom.com