This is NOT a recommended fix on the Orion. Shield pin connector is
actually audio return, and not ground on the Orion, so tying it to ground
is not recommended. Check the archives - there was a long discussion a
few months back on a similar topic.
73, Duane
On Sun, 5 Dec 2004 17:46:38 EST N5bbc@aol.com writes:
>
> In a message dated 12/5/2004 11:10:52 AM Central Standard Time,
> tentec-request@contesting.com writes:
>
>
> Message: 9
> Date: Sun, 5 Dec 2004 09:21:28 -0500
> From: "Jeff Kelly" <jkelly@bellatlantic.net>
> Subject: Re: [TenTec] Orion and the 706 Electret Mike...
> To: <eric.sensi@skynet.be>, <tentec@contesting.com>
> Message-ID: <000901c4dad5$b5ef13d0$6401a8c0@dell620comp2>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Actually I am experiencing the same issue with my 705 and
> Omni VI. I will talk to TT on Monday and get an idea of what
> is happening. My hand mic does not cause this problem.
>
> Jeff
>
> KT2K
>
> >
> > I have a question about the Orion and it's companion microphone,
> the #706.
> >
> > 1. Sometimes (I say sometimes, not everytime !), when the mic PTT
> switch
> is
> > engaged I have a strange behaviour with the mic and the Orion...
> It seems
> > that it's an HF feedback problem (but IMO, it is not !) into the
> microphone
> > causing the s-meter needle to go up full scale, the alc LED is
> then always
> > on (not flashing) and I can hear thru the speaker of the Orion a
> big
> > "Brrrrrrrrrrrr",
>
>
>
>
>
> This has probally been hashed before but as a relatively new TEN
> TEC
> cultist, I'll probally reinvent the wheel many times.
> Had a similar problem with Omni VI/3 & 705 mic. Found that the
> shield
> in the microphone cable did not connect to chassis ground thru the
> mic. plug.
> I added a wire from the shield pin connection to the connector
> shell, just
> brought it out with the mic cord and connected it under one of the
> cord clamp
> screws. This takes shield to chassis ground when the microphone
> connector is
> TIGHTENED. Also I had some conductive spray coating (don't know
> where it came
> from) that I sprayed onto the inside of the mic base. This rig
> seems to be a
> little leaky RF wise, seems like my Triton IV had similar problems
> with RF.
> This was easier than opening the rig and making connection to
> ground as it
> should be. Good Luck Ed N5BBC
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>
>
--------------------------------------
Duane Calvin, AC5AA
Austin, Texas
http://home.austin.rr.com/ac5aa
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