Look in your table of contents for TX Audio Board.
On Mon, Apr 28, 2014 at 7:54 PM, Jim Allen <jim.allen@longhornband.net>wrote:
> Page 4-43 is the power amp schematic and 4-44 is the FM board description
> in my manual. I haven't seen anything that looks like BFO alignment.
>
> I have a Funcube Pro Plus that receives anywhere, although I am not certain
> of its alignment.
>
> 73 de W6OGC
>
>
> On Mon, Apr 28, 2014 at 2:50 PM, Barry N1EU <barry.n1eu@gmail.com> wrote:
>
> > Jim, you need to first align your BFO oscillators (where have I heard
> this
> > before?). You need a frequency counter or a well aligned general
> coverage
> > receiver with accurate readout that can tune to 9MHz. The procedure is
> > described on pages 4-43 and 4-44 of the Omni 6 manual.
> >
> > 73, Barry N1EU
> >
> >
> > On Mon, Apr 28, 2014 at 7:39 PM, Jim Allen <jim.allen@longhornband.net
> > >wrote:
> >
> > > OTA testing with W5DV just now has demonstrated that something is
> goofed
> > up
> > > in the frequency alignment. When he transmits at 14.050.00, I must
> tune
> > > 14,050.70 to hear him with a 700 hz. tone. On transceive, when I go
> back
> > > to him, he hears nothing, as my transmit frequency is zerobeat on
> > > 14,050.00. When I call him on 14,050.00 he hears me, but I don't hear
> > > him, because I am zero beat with his signal. I dialed in -.70 of XIT
> and
> > > we hear each other as expected. I copy him on 14,050.70 and he copies
> me
> > > sending on 14,050.00. That's not how this is supposed to work.
> > >
> > > I also notice that adjusting the sidetone frequency doesn't appear to
> > > change the transmit frequency. It does change the difference between
> the
> > > received frequency where the beat note is zero'd with the sidetone,
> which
> > > amounts to the same thing, I guess.
> > >
> > > I also checked out both VFO A and B and they are the same.
> > >
> > > This radio was at TenTec in March and thoroughly checked out.
> > >
> > > Is this frequency alignment easy, or require special test equipment,
> etc?
> > >
> > > 73 de W6OGC Jim Allen
> > >
> > >
> > > On Mon, Apr 28, 2014 at 1:41 PM, Jim Allen <jim.allen@longhornband.net
> > > >wrote:
> > >
> > > > I spoke to Paul at Tentec this morning. He suggested I use the 706
> to
> > > > transmit and see if I hear that signal in the Omni. So, with the 706
> > > tuned
> > > > to 14,050.00, on low power and dummy load, I copy with 706 on the
> Omni
> > at
> > > > 14,050.70 with a 700 hz. tone. It is zero beat at 14,050.00.
> > > >
> > > > The 706 has a transmit freq, function which shows it transmitting on
> > > > 14,050.00. If I was at another location and transmitting at
> 14,050.00
> > > with
> > > > the 706, and you heard me using this Omni, your VFO would show
> > 14,050.70.
> > > > When you with the Omni, call me, on transceive, the signal is
> 14,050.00
> > > and
> > > > zero beat, so I don't hear it on the 706.
> > > >
> > > > Paul also confirmed that the sidetone setting varies the transmitter
> > > > offset, hz for hz, so that when you zero the other signal to the same
> > > tone,
> > > > the transmitter is zero'd with the other signal.
> > > >
> > > > Paul could do no more without the radio on the bench but suggested I
> > > > eventually may want to do a Master Reset. I did a partial reset last
> > > > night, with no discernible change.
> > > >
> > > > I'll get on the air later with other stations locally to do some more
> > > > testing.
> > > >
> > > > 73 de W6OGC Jim Allen
> > > >
> > > >
> > > > On Mon, Apr 28, 2014 at 12:35 PM, <chacuff@cableone.net> wrote:
> > > >
> > > >> If that just came back from the factory I would ship it back up to
> > > >> them...sounds like a simple alignment issue but it should have been
> > > caught
> > > >> in final checkout before being shipped.
> > > >>
> > > >>
> > > >>
> > > >> Without some test gear it will be hard to get it right.
> > > >>
> > > >>
> > > >>
> > > >> Cecil
> > > >>
> > > >> K5DL
> > > >>
> > > >>
> > > >> From: John Swartz
> > > >> Sent: April 27, 2014 5:05 PM
> > > >>
> > > >> To: tentec@contesting.com
> > > >> Subject: [TenTec] Omni VI mystery
> > > >>
> > > >>
> > > >> I ran an on-air test with Jim and found that when using my Omni VI+,
> > > >> transmitting on 14.052.50, Jim was receiving me at 14.053.11 on his
> > Omni
> > > >> 6. When he transmits, I receive him just fine if I engage the RIT
> and
> > > >> listen up 500 Hz, which just about coincides with what his rig is
> > > >> telling him his transmit frequency is. So, it seems that when he
> > hears
> > > >> a CQ and answers it, he is actually about 500 Hz higher in frequency
> > > >> than the guy he is hearing.
> > > >> I hope this helps diagnose his problem. I'm not savvy enough to
> know
> > > >> the fix, other than temporarily engage the RIT or XIT and preset
> that
> > > >> 500 Hz difference.
> > > >>
> > > >> 73, John WA9AQN
> > > >>
> > > >> --
> > > >> John Swartz
> > > >> Amateur Radio WA9AQN
> > > >> 15076 New Salem Bluff Road
> > > >> Petersburg, IL 62675
> > > >> USA
> > > >> tel 217-632-5925
> > > >>
> > > >> _______________________________________________
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> > > >>
> > > >
> > > >
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> > >
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> >
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