And now things break Steve and you haven't even let the smoke out of
them!!PatAt 07:39 PM 2/28/2011, you wrote:
>Well, Pat, I never tried that trick with the plate cap of a 6146, but I have
>gotten clipped a time or two by voltage from the flyback transformer. I
>once came in contact with a few hundred volts on the output side of a bridge
>rectifier circuit I built, and that felt like someone hit my finger with a
>hammer. Oh yes, and then there's the times I was trying to adjust some
>coils on the underside of a hollow-state Heathkit receiver and got jolted by
>the plate voltage on one of the tubes. Life is just so dull in today's
>solid-state low-voltage world.
>
>Steve
>
>----- Original Message -----
>From: "Pat Byrne" <[log in to unmask]>
>To: <[log in to unmask]>
>Sent: Monday, February 28, 2011 18:27
>Subject: Re: RFI Saga continued
>
>
> > Sounds like an old guy who ripped up his knuckles coming out of the
> > back of an old TV set!! Or if you put your palm on the plaate cap of
> > an on-the-air 6146 it smells like burning matches and leaves a hole
> > in your hand!!
> > The young guys missed all the fun Steve!!
> > Pat, K9JAuAt 11:28 AM 2/28/2011, you wrote:
> >>Tom,
> >>
> >>As long as you've unplugged the supply, there's nothing to worry about.
> >>The
> >>caps in there probably don't have much more than 20 volts, and you
> >>probably
> >>wouldn't feel anything even if you happened to put your fingers directly
> >>across them. Getting zapped was much more of a reality back in the good
> >>old
> >>days of tubes when the voltage across a filter cap could range anywhere
> >>from
> >>100 to 1000 volts (more if you were playing around inside a TV set's high
> >>voltage section). If you're still concerned about discharge, just poke
> >>around inside the supply with a screwdriver, but I really don't think
> >>there's any reason for concern.
> >>
> >>Steve
> >>
> >>----- Original Message -----
> >>From: "tom behler" <[log in to unmask]>
> >>To: <[log in to unmask]>
> >>Sent: Monday, February 28, 2011 06:59
> >>Subject: Re: RFI Saga continued
> >>
> >>
> >> > Steve:
> >> >
> >> > Yeah, I was afraid of that.
> >> >
> >> > I can't believe they make the thing so hard to work with.
> >> >
> >> > When I do take the cover off, if it comes to that, I'm going to have to
> >> > figure out how I'm going to work safely in there without zapping
> >> > myself
> >> > with the discharge from the capacitors. If anyone has some fullproof
> >> > way
> >> > to
> >> > do that, let me know. Otherwise, I may have to get some sighted
> >> > assistance
> >> > over here.
> >> >
> >> > 73 from Tom Behler: KB8TYJ
> >> >
> >> > ----- Original Message -----
> >> > From: "Steve Dresser" <[log in to unmask]>
> >> > To: <[log in to unmask]>
> >> > Sent: Sunday, February 27, 2011 10:16 PM
> >> > Subject: Re: RFI Saga continued
> >> >
> >> >
> >> > Tom,
> >> >
> >> > You'll probably have to take the cover off to tighten that lug. If you
> >> > don't tighten it, you won't be able to use it whether you want to or
> >> > not.
> >> >
> >> > Steve
> >> >
> >> > ----- Original Message -----
> >> > From: "tom behler" <[log in to unmask]>
> >> > To: <[log in to unmask]>
> >> > Sent: Sunday, February 27, 2011 22:03
> >> > Subject: RFI Saga continued
> >> >
> >> >
> >> >> Hey, all.
> >> >>
> >> >> Well, I tried John's suggestion of eliminating the ground connection
> >> >> between
> >> >> the ground lug on the Astron power supply, and the common ground of my
> >> >> window feed through panel leading to the ground rod outside, and no
> >> >> joy.
> >> >>
> >> >> The RFI problem still exists.
> >> >>
> >> >> And, now, I have another little issue.
> >> >>
> >> >> The ground lug on the Astron, just to the right of the left-hand
> >> >> corner
> >> >> is
> >> >> loose, and I can't seem to get it nice and tight again.
> >> >>
> >> >> This is not a major issue, since I may not use the ground connection
> >> >> again,
> >> >> but does anyone have any brilliant ideas as to how to tighten the
> >> >> ground
> >> >> lug
> >> >> back up again, short of taking the cover off of the power supply, and
> >> >> getting at it from the inside?
> >> >>
> >> >> It still amazes me that they made the ground connection so hard to
> >> >> find,
> >> >> and
> >> >> so tricky to use.
> >> >>
> >> >> I think I'm going to bed now before I do any more damage. (grin)
> >> >>
> >> >> 73 from Tom Behler: KB8TYJ
> >> >>
> >> >
> >
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