Thanks to all of you. I just ordered the 9 electrolytic capacitors for the
A9 board.
Hope it will solve the problem.
Best regards and mni 73 de
Markus, HB9JNH
-----Ursprüngliche Nachricht-----
Von: TenTec [mailto:tentec-bounces+hb9jnh=bluewin.ch@contesting.com] Im
Auftrag von Gary Follett
Gesendet: Dienstag, 28. April 2020 18:22
An: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Betreff: Re: [TenTec] Problems with Orion II
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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