[TenTec] ORION I Issue

Bob McGraw - K4TAX RMcGraw at Blomand.net
Wed Jul 18 19:00:01 PDT 2012


I would suspect, from the original description, the power rail for the MP 
does not come up within the timer limit.  Hence the MP does not start. Now 
with a power down and back up and no other change, there is some charge 
remaining in the capacitors on the power distribution board from the initial 
power on cycle.  Thus at the 2nd power up the power is applied correctly and 
at the correct value during the start-up interval timing of the MP and all 
seems well.

Just my speculation however.

73
Bob, K4TAX


----- Original Message ----- 
From: "Nathan moreschi" <n4ydu at yahoo.com>
To: "Mr Mike" <kf8zn at yahoo.com>; "Discussion of Ten-Tec Equipment" 
<tentec at contesting.com>
Sent: Wednesday, July 18, 2012 1:31 PM
Subject: Re: [TenTec] ORION I Issue



Given the nature of common issues with the Orion, it is more than likely 
microprocessor connector related. I have had multiple issues with my Orion 
(including the described issue). The long-tern fix, as mentioned by N4PY, is 
to take off the front panel and re-seat the ribbon connectors. This does not 
mean that it couldn't be a capacitor or other hardware related item but in 
my opinion this is the most probably and easiest to diagnose/fix.
The entire process of re-seating the connectors takes me about 10 minutes.
I hope this is of value to the group.
73,Nate/N4YDU

--- On Tue, 7/17/12, Bob McGraw - K4TAX <RMcGraw at Blomand.net> wrote:

From: Bob McGraw - K4TAX <RMcGraw at Blomand.net>
Subject: Re: [TenTec] ORION I Issue
To: "Mr Mike" <kf8zn at yahoo.com>, "Discussion of Ten-Tec Equipment" 
<tentec at contesting.com>
Date: Tuesday, July 17, 2012, 9:36 PM

Capacitors on the power distribution board likely need replacing. Or the
fuse connector has some oxidation or corrosion. Looks for signs of heating.

73
Bob, K4TAX

----- Original Message ----- 
From: "Mr Mike" <kf8zn at yahoo.com>
To: <tentec at contesting.com>
Sent: Tuesday, July 17, 2012 3:11 PM
Subject: [TenTec] ORION I Issue


Admittedly she has set a while, since I recently relocated.

When I turn on the radio, after the initiazation sequence, there is only
static from the speaker.

Cycling power a 2nd time and all is well..

Any Ideas??

AC2Q
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