[TenTec] Delta II intermittent RX (VCO issue?)

[km2km at twc.com]

A few years into using my Delta II the same issues popped up. and I sent it back to TenTec.  They said that in the original runs there were soldering issues on the VCOs.  The one that was a problem for me was the one that handled 15 meters.  A few years later the same prroblem, and the second time TenTec fixed it - no charge.  

I've been using my Delta II daily since the mid 1990s - traveled overseas etc. so it has been around and still a joy to use.  

So, the problem described is  known issue, but can be fixed - a reflow the solder.  Not for me to do, but call TenTec to ssee if they will restore it.


Kris KM2KM 
MERSCHROD
123 Warren Road
Ithaca, NY 14850

---- Steve <wa9jml at frontier.com> wrote: 

=============
My Argonaut II had VCO problems similar to what you describe. I sent it in to Ten Tec Service and it has worked fine ever since. I don't remember what the did to fix it. 

Steve WA9JML
Sent from my Verizon Wireless BlackBerry

-----Original Message-----
From: Al Gulseth <wb5jnc at centurytel.net>
Sender: "TenTec" <tentec-bounces at contesting.com>
Date: Sat, 12 Dec 2015 18:56:41 
To: <tentec at contesting.com>
Reply-To: wb5jnc at centurytel.net,
	Discussion of Ten-Tec Equipment <tentec at contesting.com>
Subject: [TenTec] Delta II intermittent RX (VCO issue?)

My recently acquired (from an estate) Delta II/536 exibits intermittent 
operation on the 14.5 - 21.5 MHz range (VCO 3) and has also gone dead once 
briefly on the < 7.5 MHz range (VCO 1.) The SK's son informed me of 15M etc. 
intermittent operation when I bought it, and in looking at the manual I'm 
wondering if a VCO alignment is what is needed. (The other VCO ranges seem to 
function correctly when this is happening, thus my focus on VCO 3.)

Has anyone run across this type of issue on a 535/536, and if so, what was the 
solution - alignment, or something else?

TNX/73, Al
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