[TenTec] Orion sub receiver getting no signals

Gary J FollettDukes HiFi dukeshifi at comcast.net
Fri Oct 23 10:33:25 EDT 2015


By the way, I do have a known good motherboard.

Gary


> On Oct 23, 2015, at 9:31 AM, Gary J FollettDukes HiFi <dukeshifi at comcast.net> wrote:
> 
> 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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