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[TenTec] Intermittent Omni VI+ rx problem & optical illusion fixed.

To: tentec@contesting.com
Subject: [TenTec] Intermittent Omni VI+ rx problem & optical illusion fixed.
From: Don Rasmussen <wb8yqj@yahoo.com>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Fri, 1 Apr 2011 16:54:49 -0700 (PDT)
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
TenTec turned my OMNI 6+ around in 3 days from the time they received it.
They replaced the 10a and 10c band crystals. It appears that they have fixed it 
100%. These band crystals are tied to a master reference and need to be able to 
be "moved" a precise amount over the lifetime of the radio.

The radio still seems new to me, it's had light use, but it is 11 years old 
now. The OMNI VI+ ergonomics are supurb, one large control for each function. 
There is no MULTI knob, and no press to activate knobs - there are dedicated 
buttons for that. I'm sure it cost way more than they wanted to build it this 
way, but hey - come on man. 

Ten Tec even put a new tire on the main tuning knob - it was complementary. 
They suggested on the phone that the new tire is better (it really is a far 
better material), and the extended lip on the tire covers the area that used to 
show the gray band. They also suggested the band was making a perfectly round 
knob to appear less than round. I like the gray band and find that if the band 
is left extending outside of the knob just a little bit when it is installed, 
the lip of the tire wont hang down over it causing what Paul termed an "optical 
illusion". ;-)

It is a LONG Fedex + UPS truck drive to and from San Diego, and there were a 
couple ut-oh's when I powered the radio up. One of the LED digits was blank at 
power up, this was cured by reseating the slide connectors under the top cover, 
and the S-meter light would dim and brighten by itself. I remembered that the 
power connectors need to be tighted periodically, especially if the radio has 
been mated to a different connector as in servicing. A quick adjustment of the 
pins with a hobby knife and a little DeOxit and it became 100%. The first 
impulse is always to reseat the bulb itself which is not as often the solution. 

Great work to Paul & tech John. 

Discussion of Ten-Tec Equipment <tentec@contesting.com>

Date: 
Sun, 13 Mar 2011 10:59:19 -0700 (PDT)

List-post: 
<tentec@contesting.com">mailto:tentec@contesting.com>

Allen,

What I try to do when there is an intermittent problem (this one qualifys 100%) 
is to find out some key piece of information in describing it. I will become 
obsessed about finding out key behavioral facts based soley on operational 
tests. Does the problem happen on all bands, all modes. Does it happen on 
another power supply - more often or less often. When the receive is numb - 
what happens if I thump the radio - or rotate the controls - what happens if I 
transmit - is it on frequency and at full power? I do all these things until I 
have the clearest possible feel for the failure mode. Having said that, I sent 
my OMNI VI+ in for repair yesterday knowing that the instant it is turned on it 
will "seem" okay. My great fear is that the (quite busy) tech will think "I 
don't have time to fix a working radio", do a couple voltage checks and ship 
the radio back here. It is going to take someone that will allow the radio a 
few minutes to display it's 
 misbehavior, and on a busy bench that is sometimes hard to get. Yet, in the 
past TT service has paid the shipping for the second try at repair and nailed 
it on the subsequent journey for me so we have fingers crossed. There is 
nothing quite like an OMNI 6 if you are a CW guy and that includes K3 in my 
book.
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