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Re: [TenTec] Omni VI plus Display

To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] Omni VI plus Display
From: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sat, 25 Aug 2012 22:30:37 -0500
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
I agree with Jim.  Having repaired several of the Omni VI series, the areas 
of concern are the connectors that are used between boards and with the 
wiring harness terminations.  Carefully unplug each, inspect around pins 
with a bright light and magnification to assure no solder cracks exists. 
Same for the IC's in sockets on the boards.  I suggest a contact cleaner 
such as Cramolin.  But take caution in using any cleaner "least is best". 
The put things back together and exercise each connector by then unplugging 
it again and re-inserting it.  The wiping process cleans the pins, both male 
and female.

You can check the data going to the LED displays all the way to the segment 
of the LED to see if there is a failure of the LED device or if a failure 
exists elsewhere.  I am not a proponent of changing parts to see if that 
fixes a problem.  I much prefer to spend the time to find the defective part 
and simply replace that part.  The repair success rate is much higher using 
this method as opposed to putting in new parts and see what happens.  I've 
found too many times that folks put in new, but defective parts, or make 
solder errors which introduce added problems.


73
Bob, K4TAX



----- Original Message ----- 
From: "Jim Goudie" <jagoudie@comcast.net>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Saturday, August 25, 2012 10:07 PM
Subject: Re: [TenTec] Omni VI plus Display


> Paul,
>
> I have an Omni VI opt 3 that I purchased used.  I have had multiple 
> display problems.  When I opened it up and checked out the display board, 
> it was obvious that a previous owner had re-soldered things.  I cured some 
> problems by fixing some bad solder joints.  And there is a small flaky 
> problem that I haven't found yet (though the rig is currently on the 
> shelf).
>
> So, I'd suggest doing a good visual inspection of the board... re-solder 
> carefully...
>
> A second possibility, maybe to try before the other... "exercise" the 
> connectors on the wiring that goes to that board.
>
> 73 & good luck!
> Jim, AF3Z
>
>
> On Aug 25, 2012, at 7:32 PM, Paul A. Ramey wrote:
>
>> While using my radio today I lost all of the segments on the DSP1, right
>> side digit.  So now I get a read out that is 1 .225, 2 .225 instead of
>> 14.225 and 21.225.  My computer programs shows the correct freq and I am
>> TX/RX on correct freq.  Have any of you had this happen? What was the 
>> fix?
>> Any one have a parts radio that wants to sell a LED display board? I am
>> also looking for the following keys that Ten Tec no longer stocks.  REV,
>> A=B and A/B
>>
>> Thanks for your help
>>
>> Paul, WG0G
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>
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