Snowy and the group
on tx you should see about .7V on the bias of both final transistors. Is it
there?
Mike, WB8VGE
SunLight Energy Systems
The Heathkit Shop
http://www.theheathkitshop.com/
J e e p
o|||||||o
A man with one clock knows what time it is. A man with two clocks is never sure.
> On Sep 15, 2020, at 11:32 AM, ROLAND HOWELL via TenTec
> <tentec@contesting.com> wrote:
>
>
> Hi All, just trying to resurrect the above radio, hears just fine but it was
> lacking, yes it was missing, the PA entirely, i have now acquired one, i have
> replaced all the 'Q's ( 1 - 5) and the ic.
> Q1-2 now 2sc2166 not MRF476, as they are the equivalent.
> Voltages appear correct through out the board, BUT no RF out, i am unable to
> set the bias with R1 or R2, just nothing happening on my meter. Something not
> switching on?.
> During the rebuild i have put insulating pads under Q1-2,5 as they were
> missing, is that correct?.
> I have the 13.8 volts when mode switch turned to tune position on the yellow
> wire.
> So gents, any and all advice would be appreciated.
> 73
> Snowy G0HZE
> _______________________________________________
> 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
|