Ranger Grid problems *LAST POST*

[Keith Rowland]

Ken:  I presume you have checked all the bandswitch connections and the meter
switch connections (if there is a meter switch, I am not familiar with this rig),
and all components that are in the grid circuit?

Keith

Kenneth D. Grimm wrote:

> Keith Heitzmann wrote:
> >
> > Hi All,
> >
> > Well this will be my last post on this Ranger. The next time I email
> > anything out will be "For Sale".
> >
> > Do I sound frustrated......  you bet!!
> >
> > Ok, to recap, the radio is getting very little grid drive. Sandy, W5TVW,
> > gave me a good hint and led me to the 18K resistor in the VFO as it
> > "seemed" to work with a crystal in it. I replaced the resistor and it
> > perked it up a bit, but not enough.  It's a little better with a crystal
> > than using the VFO, but even with a crystal the grid goes to nothing from
> > 40 up
> >
> > I just found another hint, it seems to have enough grid drive on 160 meters
> > with the VFO switched in. On 80 it goes down considerably and from 40 up
> > it's nothing. When the meter is switched in to the "osc" and "buffer" it
> > seems to be OK, but no grid.
> >
> > All the tubes have been checked and rechecked, with some being replaced
> > just for good measure.
> >
> > Signed "desperate"
> >
> > (Keith,  KK5FE)
>
> If any of you RF wizards have not replied to Keith because you don't
> have a schematic of the Ranger, I have just uploaded the Ranger manual
> to BAMA.  Why not download the schematic and see if you can figure out
> where Keith's grid drive is hiding?
> 73,
> --
> Ken K4XL
> grimm at lynchburg.net
> Boatanchor Manual Archive - ftp://bama.sbc.edu
>
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