I'd buess this is the same place the ac cord is trounded.  If tom has to 
turn it off to restart it, the scr is being turned on and once turned 
on, it will stay on as long as power is there.  He could try bypassing 
the gate
73
Butch
WA0VJR

On Wed, 9 Feb 2011, John Miller wrote:

> On mine, it was underneath, pretty close to the power cord, under the power
> supply, it looked like a double nut with a star washer between the 2 nuts,
> it was very close to the little rubber or plastic foot that keeps it from
> sitting right on the desk. I never used it but I remember it was there, very
> close to that let. You had to really be looking for it or you'd think it was
> just another bolt.
> ----- Original Message -----
> From: "tom behler" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Wednesday, February 09, 2011 7:03 AM
> Subject: Re: Gary's Post Made Me Think Again
>
>
>> John:
>>
>>    Can you tell me exactly where to look for it, and what to look for?
>>
>> 73 from Tom Behler:  KB8TYJ
>>
>> ----- Original Message -----
>> From: "John Miller" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Tuesday, February 08, 2011 11:30 PM
>> Subject: Re: Gary's Post Made Me Think Again
>>
>>
>> On the RS-35, the grounding stud is underneath.
>> ----- Original Message -----
>> From: "tom behler" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Tuesday, February 08, 2011 10:08 PM
>> Subject: Re: Gary's Post Made Me Think Again
>>
>>
>>>  Mike.
>>>
>>> I just checked my Astron RS35 supply, and there is no grounding bolt as
>>> you
>>> suggest.  On the very left-hand back portion of the supply, there are the
>>> DC
>>> power connections at the top, followed by a fuse, and finally, there's
>>> the
>>> AC power cord connection.
>>>
>>> When things shut down as I key up, it still sounds to me like the power
>>> supply is on--in other words, the hum doesn't go away, as I think it
>>> would,
>>> if it had shut down completely.  This is why I'm thinking the floating
>>> ground might have something to do with the rig runner.
>>>
>>> But again, I can't be sure.
>>>
>>> So, keep on speculating, and before too long, I'll have dozens of things
>>> to
>>> try.
>>>
>>> 73 from Tom Behler:  KB8TYJ
>>>
>>>
>>> ----- Original Message -----
>>> From: "Mike Duke, K5XU" <[log in to unmask]>
>>> Tco: "Tom Behler" <[log in to unmask]>
>>> Sent: Tuesday, February 08, 2011 8:56 PM
>>> Subject: Gary's Post Made Me Think Again
>>>
>>>
>>> Some, but not all, of the PS35 Power supplies, have a grounding bolt
>>> on the back panel near where the AC line cord comes out of the
>>> cabinet.
>>>
>>> If yours has that grounding bolt, run a wire from it over to your
>>> station ground, or attach a counterpoise to it.
>>>
>>> One more thing about a counterpoise, especially one which is indoors.
>>>
>>> You don't have to use copper strap or brade for the counterpoise
>>> wires.
>>>
>>> Zip cord type speaker wire from Wall-Mart will work just fine in that
>>> application. You can use both conductors, or just one, or even pull it
>>> apart and have two completely separate counterpoises.
>>>
>>> It's that mad scientist thing again.
>>>
>>>
>>>
>>>
>>>
>>> Mike Duke, K5XU
>>> American Council of Blind Radio Amateurs
>
>