[ARC5] Crummy Grounds

[Scott Robinson]

OR, get a big solder gun and some rosin flux and solder all grounding 
points to the chassis.

/scott

On 3/18/19 2:16 PM, David Stinson wrote:
> An example of what, in my experience, is becoming
> as
> big a problem for Boatanchor and Mil-Radio folks
> as are old capacitors: Hi-Z Grounds.
>
> Filaments wouldn't light on a BC-230 transmitter.
> The bottom pin on the connector should be at
> chassis ground. A wire runs from that pin to a
> ground lug at one of the connector mounting
> screws.
> Measurement from the pin to chassis was 37 Ohms-
> more than enough to drop all that filament
> Voltage.
> A drop of De-Ox-It ( "a little dab'll do ya") and
> a quarter-turn of the connector mounting screws-
>   loose, then tighten- and no more crummy ground.
>
> Also, this one had the "riveted tube pin" problem.
> A drop of De-Ox-It on each tube pin rivet, insert
> the
> tube and work it gently back-and-forth to flex the
> rivet connections, and the transmitter is now
> working.
>
> GL OM ES 73 DE Dave AB5S
>
>
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