[R-390] R-390 Power-on micro switch

[Joe Foley]

I leave my FUNCTION switch on MGC and turn it on and
off with the switch on the power panel that has a
metered variac on the back,....... YES, I use a variac
and I don't care who knows it!!

Joe



--- Roy Morgan <roy.morgan@nist.gov> wrote:
> At 11:40 PM 7/29/02 -0700, Bill Smith wrote:
> >Interesting venture tonight. ... the notorious
> micro switch had failed.   ...
> >Hopefully the R-390 will run with the repaired
> switch for a while.
> 
> 
> Bill and others,
> 
> I believe that we can help our radios by some
> improvements:
> 
> 1) Add inrush current limiting
> 2) Add a line voltage bucking transformer to reduce
> modern 122-125 volt 
> line voltages down to the design target of 115
> 3) Add fans, ESPECIALLY in the R-390 non-A
> 4) Add a line relay that is operated by the
> microswitch and turns on the 
> rest of the radio.
> 
> All these things could be combined into one
> modification and most likely 
> done with no holes drilled.
> 
> I'm looking for my round tuit to get started on this
> project.
> 
> Roy
> 
> 
> - Roy Morgan, K1LKY since 1959 - Keep 'em Glowing!
> 7130 Panorama Drive, Derwood MD 20855
> Home: 301-330-8828 Work: Voice: 301-975-3254,  Fax:
> 301-948-6213
> roy.morgan@nist.gov --
> 
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