[TenTec] Orion Keying Loop

Barry N1EU barry.n1eu at gmail.com
Sun Dec 10 15:47:57 EST 2017

Are you saying keying loop #2 works with the amp connected to TX Out2/TX
En2?  If not, what is connected to those jacks?

73, Barry N1EU


On Sun, Dec 10, 2017 at 5:41 PM, Michael Marx <sndtubes at vacuumtubes.com>

> Hi Guys,
> I have been dealing with a sick Centurion.  Still having problems.  I am
> going to rebuild the QSK board and try again.
> However, when I was testing the Centurion with my Orion 1, I had keying
> loop 1 connected and it was working….for a short time.   Something happened
> when I was testing and suddenly the amp would no longer key.  I think the
> problem lies in the QSK board.  I’m sure something failed there again.
> But, when the amp stopped keying, so did the radio.  If I have the keying
> loop turned on, the radio will not key at all.  If I turn the key loop off,
> the radio keys fine.  if I turn on keying loop #2, the radio keys fine.  So
> the radio keys fine except when I have key loop 1 turned on in the menu.
> So my question is, have I damaged keying loop #1?  If so, what do I need
> to do to fix it?
> thanks for all of the expert advice!
> 73
> Mike WB0SND
> Michael Marx
> sndtubes at vacuumtubes.com
> 636-939-9190
> SND Tube Sales
> 105 N. Division St.
> Bonne Terre, MO  63628
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