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Re: [TenTec] Orion

To: <eric.sensi@skynet.be>, <tentec@contesting.com>
Subject: Re: [TenTec] Orion
From: "Toby Pennington" <toby423@earthlink.net>
Reply-to: tentec@contesting.com
Date: Sat, 11 Dec 2004 13:13:38 -0500
List-post: <mailto:tentec@contesting.com>
ERIC, DO YOU HAVE ANOTHER MIKE YOU CAN HOOK UP? DOES IT SOUND THIS WAY ON BOTH THE G5RV AND THE VERTICAL? DOES IT SOUND LIKE THAT WHEN HOOKED UP TO A DUMMY LOAD? Toby W4CAK


----- Original Message ----- From: "Eric SENSI" <eric.sensi@skynet.be>
To: <tentec@contesting.com>
Sent: Saturday, December 11, 2004 12:57 PM
Subject: RE: [TenTec] Orion



Okay...

I dismantle the 706 microphone and write down on a sheet of paper the actual
wiring :


The small PCB inside the microphone is 78272 Rev B

SHIELD => not connected but I can see a 0 ohm resistance connected on the
other side, so this connection is simply connected to the circuit board.
MIC => goes to PIN 1 (yellow)
GND => goes to PIN 2 (1 black wire goose neck, 1 black wire base of mic, 1
wire "copper shield" [like David ! HI]
PTT => goes to PIN 3 (black)
POL V => goes to PIN 4 (red)

In this case it seems that PIN 2 IS NOT connected to the chassis of the
Orion.

When I'm doing this - take a small wire, solder it to the PIN 2 and then
connect this wire to the round threaded locker ring, the Orion is shaking
the nerves of everything here, the PSU, the SGC Tuner, the audio etc ! it's
Christmas before christmas here. It is even worse than before so I removed
this connection immediately.


Once you key the PTT, you can hear the "buuuuuzzzzzzz" on each band, on
every frequency without talking into the mic, even with the power dropped to
10 to 20w !


This will close the 706 mic chapter for me.

Regards, Eric.

-----Message d'origine-----
Eric, the Drawing 2-4 on page ten is incorrect.  The proper drawing for
proper cable wiring is 2-5 on page 10. Info was sent out about this some
time ago.

The shield wire must be connected to the shell of the mike connector and the
other end to the shell of the mike itself. ( On the 706 this would probably
be the goose neck). This is the way my Studio 1 is wired.


I actually sent my 705 to TT and had a Heil cord wired up like the 2-5
drawing and that got rid of the RF. That was about a year ago so don't know
if the 706's are wired this way now or not. But I would check the wiring on
the 706 to be sure.


Toby W4CAK

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