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Re: [TenTec] Problems with Orion II

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Problems with Orion II
From: Gary Follett <dukeshifi@comcast.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Tue, 28 Apr 2020 11:21:35 -0500
List-post: <mailto:tentec@contesting.com>
Change all of the electrolytic capacitors on the A9 board with low ESR 105C 
rated capacitors.

Most Orion problems like this are caused by A9 board problems.

Gary

W0DVN

> On Apr 28, 2020, at 11:12 AM, hb9jnh <hb9jnh@bluewin.ch> wrote:
> 
> Recently I acquired an Orion II with installed ATU. At the time of the
> handover I tested most of the functions and everything looked fine. Even the
> latest available firmware was installed. I used the Orion for several month
> without any problems, mainly with reduced power (20w). But suddenly
> following symptoms appeared:
> 
> *        After powering on (with normal behavior), Main and Sub RX sounding
> very deaf and when I push the TUNE button, the ALC light remains dark and no
> signal is transmitted.
> 
> *        When pushing the TUNE button or keying the transmitter in CW mode,
> the SWR shows always 1.0 : 1, regardless of whether an antenna is connected
> or not.
> 
> *        Symptoms remains on all bands, in any mods.
> 
> *        Relays during band switching, Side tone, keyer, filter etc. are
> working fine.
> 
> After switching off and on again, the problems are gone. But it can happen
> while tuning over the band, the symptoms are appearing again. Sometimes
> after 10 minutes, sometimes not at all.
> 
> After reading several information here in the forum, I tried following
> measures:
> 
> *        Made several resets (any kind of resets)
> 
> *        Replaced the SNAPHAT battery
> 
> *        Disconnected and cleaned every connector and ribbon cable
> 
> But unfortunately, none of the measures solved the problem.
> 
> Do you have any idea how I can isolate or solve the problem? Any help is
> appreciated.
> 
> Best 73 de Markus, HB9JNH
> 
> 
> 
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