[TenTec] Problems with Orion II

[Bill Cotter]

Markus,

In addition to the SNAPHAT battery on the logic 
board, there is a coin-battery on the antenna 
tuner board. This battery stores the memories for 
the tuner, and should be renewed as well.

73 Bill N4LG



At 08:08 AM 4/29/2020, you wrote:
>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 at contesting.com] Im
>Auftrag von Gary Follett
>Gesendet: Dienstag, 28. April 2020 18:22
>An: Discussion of Ten-Tec Equipment <tentec at 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 at 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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> > TenTec at contesting.com
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>
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