I would look for other options - 3rd party service. I believe there are
some guys on this list who would service your rig and that is probably the
best option.
It might be a good idea for us to collectively compile a list of those
folks.
73, Barry N1EU
On Fri, Nov 7, 2014 at 3:08 PM, <wt4t@reagan.com> wrote:
> When I wrote my original e mail about ten tec being unable to repair the
> noisy mixer board on my OMNI-VI, I think the point of the e mail was lost.
> I do not have the bench or the test gear any longer to trouble shoot the
> board. My question is: If I was able to find a working normally mixer
> board,lets say pull from a parts rig,could I sub that board into my OMNI VI
> and not require any additional work ,such as realignment etc and have the
> board work like it should. Tem tec made no comment on what pat or parts
> that could no longer get. I will call then and ask for details on which
> parts it was.
> Using Wade's list it sure looks like all the parts could be gotten
> somewhere,but as I said I don't have a good enough bench to be able to
> trouble shoot the board to find out what the noise source is and correct
> it. Is there anyone out there that could repair the mixer board ,other then
> ten tec. Sure hate to dump a beautiful rig like the OMNI-VI for a 5.00 part.
> 73
> dale wt4t
>
> -----Original Message-----
> From: "Wade Staggs" <tvman1954@gmail.com>
> Sent: Thursday, November 6, 2014 11:52pm
> To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
> Subject: Re: [TenTec] can't service the omni-VI mixer
>
> *Hello Ralph,*
> * You couldn't have said that any better as far as
> I am concerned. I love my Ten Tec Radios and really enjoy operating them.
> Today I replaced two Relays in the Low Pass Filter Board of a Friends
> Jupiter. The layout is simple. There is plenty of room inside to work on
> them and the Glass Epoxy Circuit Boards are the Highest Quality. The Relays
> from Ten Tec, cost a whopping $3.00 each. Gary, at Ten Tec advised that we
> replace all 14 relays but we convinced him that this operator never leaves
> 75/80 Meters hi .. hi .. Well, we can't guess at the cost of these relays
> if they had been for an KenYaeCom Rig but, can promise they would have cost
> More than $3.00 each..... Ten Tec Factory Service and the Ten Tec Receivers
> are Legendary and we have never heard a Ten Tec that sounded Bad On the
> Air. I became hooked on Ten Tec when we got the Paragon 585 .... And today
> we fell in love with the Jupiter all over again. We are hoping for an Eagle
> soon and an Omni 7 would make a lot of dreams come true. *
>
> * 73 to
> All from Wade/KJ4WS*
>
> On Thu, Nov 6, 2014 at 7:48 PM, Ralph Arnold <rea.papaof10@gmail.com>
> wrote:
>
> > That sounds like some excelent advice. I'm an old NAVY trained Aviation
> > Electronics Tech Radio Communications been repairing radios for almost
> 50
> > yrs I've had a lot of radios over the years That I managed to keep
> > working A couple years ago I stopped at the TenTec factory an was
> really
> > impressed with their line of radios. They are made like a Mercedes
> simple
> > ,reliable, good engineering, and most of all repairable. I have several
> > older TT radios that enjoy in my retirement. Feels good knowing that I
> > got a shot at fixing them RS parts. HiHi Enough of my rambling just had
> to
> > throw in my 2 cents worth. 73 KD8BTQ rALPH
> >
> > On Thu, Nov 6, 2014 at 5:23 PM, Stuart Rohre <rohre@arlut.utexas.edu>
> > wrote:
> >
> > > NTE and other cross reference general replacement semiconductor
> companies
> > > should have crosses to the MPS devices. Don't overlook Mouser,
> > > distributor. They have vast stocks and fast service at reasonable
> > prices.
> > > There are still surplus electronics places like Electronic Goldmine
> that
> > > often have out of production items.
> > >
> > > Substituting bipolar transistors really comes down to getting the right
> > > polarity, NPN or PNP and other major parameters. A current rating and
> > > voltage rating close to the original, and frequency cutoff similar to
> the
> > > original, or higher than the application you are replacing. Get the
> Beta
> > > as close as you can, but remember, there are wide ranges of beta that
> can
> > > do the job. The mixer may not be a high gain stage, due to its
> intended
> > > function. Most cases of abnormal noise would not be in the active
> > devices,
> > > (transistors) but in connections, or in faulty passive components,
> > > resistors, capacitors, and other such components.
> > > A rebuilt mixer board that is close to the original, is better than a
> non
> > > working mixer in a radio just sitting on a shelf.
> > >
> > > Don't overlook loose plug in connections from the board to the
> > > motherboard. Sometimes connectors may wear to cause intermittent
> noise.
> > >
> > > The wiggle test helps here. If wiggling something causes a noise, look
> > > closely at what moved. Don't be too agressive, but the more experience
> > you
> > > get with troubleshooting, the better your "touch" will be at finding
> > > causes of small problems.
> > >
> > > -Stuart
> > > K5KVH
> > >
> > > _______________________________________________
> > > TenTec mailing list
> > > TenTec@contesting.com
> > > http://lists.contesting.com/mailman/listinfo/tentec
> > >
> > _______________________________________________
> > TenTec mailing list
> > TenTec@contesting.com
> > http://lists.contesting.com/mailman/listinfo/tentec
> >
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