[TenTec] Orion sub receiver getting no signals

Gary J FollettDukes HiFi dukeshifi at comcast.net
Fri Oct 23 10:31:45 EDT 2015


Don’t overlook the mother board as well. A lot of Orion’s got repaired at Ten Tec by replacing that rather inert board for the same reason, marginal connectors and some soldering issues.


Gary



> On Oct 23, 2015, at 9:28 AM, Carl Moreschi <n4py3 at earthlink.net> wrote:
> 
> I would still bet the problem is NOT a component failure but just a bad connection on the cables.  The rigs are computers now and cable connections when not gold plated are unreliable with age.
> 
> Carl Moreschi N4PY
> 58 Hogwood Rd
> Louisburg, NC 27549
> www.n4py.com
> 
> On 10/23/2015 9:44 AM, Gary J FollettDukes HiFi wrote:
>> I agree with anyone who says that Orion circuitry is sort of convoluted. It is.
>> 
>> The boards were meant to either last forever (in electronic terms) or to be replaced, which is why it is generally so easy to remove them.
>> 
>> There is no joy in trying to replace a 200 pins SMD square pack unless you have $50,000 in specialized pick and place SMD soldering equipment. I know it can be done without but think of the consequences if just ONE slolderpad pulls away during the process!
>> 
>> Gary
>> 
>> 
>> 
>>> On Oct 23, 2015, at 7:22 AM, Barry N1EU<barry.n1eu at gmail.com>  wrote:
>>> 
>>> Ha, "simple" isn't the first word that comes to my mind when looking at the
>>> Orion audio circuit schematics.  "Convoluted" would be my choice.  There
>>> are four audio inputs (main rx, sub rx, mic, aux in) in digital form that
>>> get routed to four audio outputs (tx audio, auxoutL, auxoutR, auxoutMain)
>>> in analog form by two stereo CODEC chips. I just don't see a simple "audio
>>> switch".  I'm not even convinced the schematics (81917_6, 81917_7) match
>>> reality - the routing on the schematics looks nutso.
>>> 
>>> 73, Barry N1EU
>>> 
>>> On Thu, Oct 22, 2015 at 3:40 PM, mcelmer1<mcelmer1 at netecin.net>  wrote:
>>> 
>>>> Years ago, I recall seeing a detailed block diagram of the Orion 1 - I am
>>>> not referring to the one in the manual.
>>>> 
>>>> There is a simple circuit called the "audio switch" which I suspect is the
>>>> culprit.
>>>> 
>>>> However, I can not find the diagram nor can I recall on which board this
>>>> circuit was located.
>>>> 
>>>> Gary, I will keep your mail/address just in case.
>>>> 
>>>> Mike
>>>> W8TRN
>>>> ----- Original Message ----- From: "Gary J FollettDukes HiFi"<
>>>> dukeshifi at comcast.net>
>>>> To: "Discussion of Ten-Tec Equipment"<tentec at contesting.com>
>>>> Sent: Wednesday, October 21, 2015 18:33
>>>> 
>>>> Subject: Re: [TenTec] Orion sub receiver getting no signals
>>>> 
>>>> 
>>>> I have a sub receiver available.
>>>> 
>>>> Gary
>>>> 
>>>> 
>>>> On Oct 21, 2015, at 2:55 PM, mcelmer1<mcelmer1 at netecin.net>  wrote:
>>>>> 
>>>>> I chimed in on this one a few weeks ago.
>>>>> 
>>>>> Same problem since day one. I bought my used Orion 1 from Ten Tec but the
>>>>> Sub receiver never worked. A couple of trips to the factory, returned to me
>>>>> &  it worked for a couple of hours then died.
>>>>> 
>>>>> Resets did not fix the problem.  I may tear down the front panel clean
>>>>> some pins and connectors on the board but doubt if that will fix the
>>>>> problem.
>>>>> 
>>>>> Mike
>>>>> W8TRN
>>>>> ----- Original Message ----- From: "denton sprague"<
>>>>> denton at oregontrail.net>
>>>>> To: "Discussion of Ten-Tec Equipment"<tentec at contesting.com>
>>>>> Sent: Wednesday, October 21, 2015 12:01
>>>>> Subject: Re: [TenTec] Orion sub receiver getting no signals
>>>>> 
>>>>> 
>>>>> well…shoot..
>>>>> that lasted all of 1/2 hour!
>>>>> The past week or so, I has been inoperative on boot up…
>>>>> and it boots up with swishing noise that repeats itself or it seems to
>>>>> work but can’t her anything but background (processor) noise, or receive
>>>>> sigs are way down in the background.
>>>>> So for the time being it will be designated back up rig in the closet…and
>>>>> will run my omni 7 for the duration.
>>>>> I also have a chance ti purchase an unknown condition orion sub receiver
>>>>> board but not too sure want to mess with that.
>>>>> I seems to be something that is not letting the sub receiver board
>>>>> connect to the rest of the system correctly..
>>>>> I have not yet done much in the way of diagnostics…but will take some
>>>>> time this fall to pull the sub receive board and see if anything amiss…cold
>>>>> solder joints, etc, clean contacts and trace down cabling.
>>>>> 
>>>>> On Oct 12, 2015, at 9:07 AM, denton sprague<denton at oregontrail.net>
>>>>> wrote:
>>>>> 
>>>>> a little followup..
>>>>>> sub rx was inoperable this am…booted up with sub rx on ant 1 and vfo b
>>>>>> enabled yesterday.
>>>>>> 
>>>>>> after letting the rig on for about 3 hours, I rebooted the rig with sub
>>>>>> rx off on the ant and vfo buttons.
>>>>>> 
>>>>>> after reboot, enabled sub rx on vfo b and ant 1 buttons. Sub rx now
>>>>>> works normally….
>>>>>> 
>>>>>> On Oct 11, 2015, at 11:27 AM, denton sprague<denton at oregontrail.net>
>>>>>> wrote:
>>>>>> 
>>>>>> thanks…apparently that was it om!!
>>>>>>> On Oct 11, 2015, at 11:13 AM, Tim Wininger<ky5rtim at gmail.com>  wrote:
>>>>>>> 
>>>>>>> Need both SUB RX VFO and Ant1 SUB RX depressed.
>>>>>>>> 
>>>>>>>> That's how I use this sub rcvr hr. Hope it's just that.
>>>>>>>> 
>>>>>>>> GD Tim, AB4B
>>>>>>>> 
>>>>>>>> On Sun, Oct 11, 2015 at 12:01 PM, denton sprague<
>>>>>>>> denton at oregontrail.net>
>>>>>>>> wrote:
>>>>>>>> 
>>>>>>>> 
>>>>>>>>> Hi all…my trusty Orion that came back from TT for processor board
>>>>>>>>> replacement a few months ago seems to have no  receive signals…this
>>>>>>>>> happened this am when booting up the rig.
>>>>>>>>> I use ant 1 as main rx/tx as well as sub rx.
>>>>>>>>> I can hear the sub noise come up when pressing the sub rx button, but
>>>>>>>>> evidently getting no signals from the antenna.
>>>>>>>>> I have only one hf antenna.
>>>>>>>>> Did a master reset to no avail.
>>>>>>>>> loose cable maybe??
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>>>>>>>>> 
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>>>>>>> 
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>>>>>> 
>>>>>> 
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