Yeah..... If Carl is right on this and I think he is, maybe the connector
bringing control data
from the controller to the TX audio board got jarred loose during
shipping/transport. Easy to
check that out. Just re-seat the little MTA connectors on the TX audio board.
73,
-Lee-
WA3FIY
On 28 Apr 2014 at 17:58, Carl Moreschi wrote:
> He's getting no CW offset at all. I think something in the switching
> circuit to bring the CW trimmer into play is not working.
>
> Carl Moreschi N4PY
> 58 Hogwood Rd
> Louisburg, NC 27549
> www.n4py.com
>
> On 4/28/2014 5:24 PM, Clayton Brantley via TenTec wrote:
> > Look at section 4-14 for the Tx audio board. You will need a very
> > accurate freq counter and a lot of patience to adjust the BFO
> > freqs. They need to be adjusted a few times to make sure they are
> > right on. You might want to call TenTec and talk with Gary also.
> > He's a great help.
> >
> > Clayton N4EV
> >
> >
> > On Monday, April 28, 2014 4:18 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
> >>
> >>
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec
|