Thank you to all for the help and insight. I will start tracking things down
ASAP, hopefully with in the next week or two.
> On Apr 12, 2019, at 11:49 AM, MadScientist <dukeshifi@comcast.net> wrote:
>
> The manual is correct about the possibility for ESD harm to the display.
> However, by following simple ESD practices, there is no risk.
>
> At the very least, work on a conductive and grounded surface.
>
> Before you touch any part of the display, touch the radio chassis first,
> EVERY TIME you will touch the display.
>
> If possible, get an ESD wrist band and clip the wire from it to the radio
> chassis.
>
> Do not lay the display on highly insulating or highly conductive surfaces. I
> use ESD bags as work surfaces. These are commonly available.
>
> Two very common failures in Ten Tec displays (among other boards) are
> marginal soldering and oxidized/dirty board connects. Sometimes just
> unplugging and plugging is not a sufficient action to clean them so a little
> no-residue contact cleaner sprayed into the female connectors followed by
> immediate replugging can help.
>
> As for the soldering issues, a microscope is helpful in seeking out solder
> joints that look questionable, removing solder from them and resoldering them
> (using an ESD rated soldering tool).
>
> While one might have thought that, since the thing h as worked this long
> without issues, why would you look for bad solder joints. The reason is that
> you may have flexed the display board whilst removing it and that would bring
> out nay marginal soldering failures.
>
> Gary
>
>
> W0DVN
>
>
>> On Apr 12, 2019, at 11:29 AM, Rich H <rhattaway@hotmail.com> wrote:
>>
>> Dale,
>>
>> I am no expert on the Corsair, but the readout looks very similar to mine in
>> an Omni D. I have had mine out on the table two times, working on PTO
>> issues.. It's on top of the PTO and must come out. I did not find it to be
>> fragile, beyond normal handling care. YMMV, but in my shop it'd not be a
>> problem to look around in there at least. If it will run with the case off,
>> I think I'd leave it that way and probe around a bit with a small wood dowel
>> when the malady occurs. I'd also mess with the VFO plug while the unit is
>> live and exhibiting issues...
>>
>> Dick
>> W4PID
>>
>>
>> Date: Thu, 11 Apr 2019 21:26:15 -0500
>> From: Dale Johnson <pastordalej@gmail.com>
>> To: Discussion of Ten-Tec Equipment <TenTec@contesting.com>
>> Subject: [TenTec] digital readout corsair 2
>>
>> My digital read out has started to do several things. It intermittently
>> freezes on one frequency and won?t respond to the PTO or the band switch. I
>> turn the radio off and then back on and the display is completely dark
>> except for the decimal. I let it sit for a day, then it came back on after
>> it warmed up for a few seconds and worked fine for 3 more days, now it?s
>> done the same thing again.
>> The manual says that I can damage the digital display with static
>> electricity, so is it safe to take the case apart to look for dirty
>> connections? Where should I look for the problems? I have checked the VFO
>> plug in the back and it looks ok.
>> Thank you so much! Dale, KB0SYH
>>
>>
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