[TenTec] Orion

[Toby Pennington]

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 at skynet.be>
To: <tentec at 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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