FWIW, the Orion seems more prone to strange internal connectivity failures
of one sort or another than the Orion II.
Barry N1EU
On Tue, Sep 26, 2017 at 10:48 AM, Barry N1EU <barry.n1eu@gmail.com> wrote:
> This issue reminds me of a conversation on the Yahoo Groups Orion group
> back on Feb. 16, 2014 called "Boot Failure on Orion 1", initiated by
> WB2NMI: https://groups.yahoo.com/neo/groups/orion565/conversations/
> topics/9941
>
> I think the jist of it was intermittent logic board connections and the
> PCB needed some resoldering and he enlisted the help of Arek AC2FC.
>
> Barry N1EU
>
>
>
> On Tue, Sep 26, 2017 at 9:28 AM, Steve <sswhite@mchsi.com> wrote:
>
>> One thing to remember is that I get no audio at all out. I can turn up
>> both main and sub rx's gain and still get no audio. On my Omni II I can
>> disconnect the antenna and turn the audio and hear at least rushing
>> noise. There is a clue here I bet. Back to the radio...
>>
>> Steve
>>
>> -----Original Message-----
>> From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of Steve
>> Sent: Tuesday, September 26, 2017 8:12 AM
>> To: 'Discussion of Ten-Tec Equipment' <tentec@contesting.com>
>> Subject: Re: [TenTec] Orion problems
>>
>> Voltages are good at the A( board but I will scope them this morning. It
>> has been recapped. I checked the input to the Logic card of the both the
>> main and sub receivers and can see them when I apply a 14.250 Mhz signal
>> to the input. However, the Sub Rx input level is quite a bit higher than
>> the main Rx input level.
>>
>> I too am trying to find the signal path thru the logic board to find out
>> why the boot sequence will not see the V2 mod. The V2 Mod is one wire
>> and two cuts. I have checked it and the mod is there and correct. .
>> Probably should follow the signal path from the mod to the DSP's. The
>> previous owner told me he woke up one morning and the radio would no
>> longer work...
>>
>> Steve NU0P
>>
>> -----Original Message-----
>> From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of Jeff
>> (W4DD)
>> Sent: Tuesday, September 26, 2017 4:53 AM
>> To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
>> Subject: Re: [TenTec] Orion problems
>>
>> I would start by confirming voltages on the A9 board. Also scope them.
>>
>> Then confirm they are getting to the dsp's.
>>
>> As I recall, the v2 mod is a single strap, but don't recall the details.
>> I would focus on why the cpu can't read the strap. I'll try take a look
>> at the schematic tonight.
>>
>> Not sure if anyone has ever pubished the boot sequence but that would be
>> handy.
>>
>> On Sep 25, 2017 11:57 PM, "Steve" <sswhite@mchsi.com> wrote:
>>
>> The A9 board has been updated. Since there is output from the rcvr to
>> the Logic board and no audio out of any kind it makes me wonder about the
>> DSP and CODECS on that board. I went and loaded Ver 1 software but that
>> made no difference either.
>>
>> Steve
>>
>> -----Original Message-----
>> From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of Peter
>> Frenning [OZ1PIF]
>> Sent: Monday, September 25, 2017 5:15 PM
>> To: Discussion of Ten-Tec Equipment <tentec@contesting.com>; Steve
>> <sswhite@mchsi.com>
>> Subject: Re: [TenTec] Orion problems
>>
>> Den 25-09-2017 kl. 22:31 skrev Steve:
>> > Orion 1..Battery is good too...I wonder if I can put a 14 Khz
>> > unmodulated signal into the DSP input (J20) and find out if the whole
>> > DSP chain is working..
>> >
>> > Steve
>> Has anybody suggested checking out the A9 board? Any of a whole box of
>> Gremlins can emerge from troubles there. When mine (O2) started acting
>> erratically I updated the thre 470uF electrolics to lower ESR/higher temp
>> ones, and all my troubles went away, many other similar experiences has
>> been related here over time.
>>
>> --
>> Vy 73 de OZ1PIF/5Q2M, Peter
>>
>> ******************************************
>> ** The day Microsoft makes something **
>> ** that doesn't suck is probably the **
>> ** day they start making vacuum **
>> ** cleaners ! **
>> ** -- Anonymous Wise Guy **
>> ******************************************
>> email: peter(no-spam filler)@frenning.dk
>> http://www.frenning.dk/oz1pif.htm Ph. +45 4619 3239/ +45 2332 9464
>> Snailmail:
>> Peter Frenning
>> Ternevej 23
>> DK-4130 Viby Sj.
>> Denmark
>> ******************************************
>>
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