Nice Going Rick!
Dave, VE1ADH
--- Rick Williams <rick.williams@telus.net> wrote: >
Well this time I think I have found the problem!
> After measuring the
> voltage at a reasonably accessible area of the
> transmitter switching circuit
> it looked to me like the 80 meter switch was always
> on. The readings on the
> various coils were correct when the rig was on 80
> metres but screwy on the
> other bands. (If anyone wants the details please
> feel free to contact me
> directly.)
>
> I discussed my analysis with Paul Clinton (WD4EBR,
> Service Manager) and
> others at Ten-Tec and they agreed that the 80 metre
> circuitry was likely the
> problem. A shorted switching diode or a shorted
> transistor the culprit.
> They hope to get a "Care Package" with the
> appropriate parts into the mail
> early next week. I will now begin the dismantling
> process.
>
> But before I put this item to rest I have some
> comments to add:
>
> 1) Thanks to all on the reflector for your
> assistance and insight.
> 2) Thanks to Ten-Tec for the prompt response to
> my problem.
> 3) A 2nd thanks to Ten-Tec for a great manual
> (explaining all the
> circuitry in plain language) and complete
> schematics.
> 4) Finally, I've learned a lot and that's always
> fun!
>
> Of interest to readers with other rigs were Paul's
> final words " ... don't
> forget that your efforts to repair the rig will NOT
> effect your warranty!"
>
> (In a few days I'll be posting pictures of the Argo
> V surgery on my website
> for those that may be interested.)
>
> 73,
>
> Rick
> VE7ASR
>
> Web site: http://www3.telus.net/ve7asr
>
>
>
> _______________________________________________
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> TenTec@contesting.com
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