[TenTec] Orion problems

Jeff (W4DD) w4dd09 at gmail.com
Tue Sep 26 05:52:32 EDT 2017

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

On Sep 25, 2017 11:57 PM, "Steve" <sswhite at 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.


-----Original Message-----
From: TenTec [mailto:tentec-bounces at contesting.com] On Behalf Of Peter
Frenning [OZ1PIF]
Sent: Monday, September 25, 2017 5:15 PM
To: Discussion of Ten-Tec Equipment <tentec at contesting.com>; Steve
<sswhite at 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         **
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**              -- Anonymous Wise Guy   **
email: peter(no-spam filler)@frenning.dk
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Peter Frenning
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