Re: Apple //c monitor - tilted?!

["Liam Busey" <buseyl@yahoo.com>]

"Michael J. Mahon" <mjmahon@aol.com> wrote in message
20040804060334.14909.00000812@mb-m10.aol.com">news:20040804060334.14909.00000812@mb-m10.aol.com...
> Richard Kilpatrick wrote:

-snip-

> >Yep - I'd suspected it was a yoke issue, but I Don't Like To Mess.
> >Especially since getting that bit wrong can result not only in people
> >jumping about uncontrollably and getting burns, but also, you can crack
the
> >neck of the tube if you get it wrong.
>
> In fact, it is quite unlikely to get into trouble working on a CRT monitor
> if you follow standard, simple precautions.
>

- snip yoke adjustment instructions

>
> The procedure is quite simple in practice, and was done regularly
> by hundreds of thousands of people working on their own TVs in
> the 1950s and 1960s.
>
> A CRT is probably one of the strongest pieces of glass you will
> ever find.  The danger of implosion is played up to keep people
> from taking a wrench to the neck of the CRT.  ;-)  Actually, the
> biggest danger is having someone with a heavy metal tool near
> the neck of the CRT come in contact with the undischarged
> anode, producing a rapid, uncontrolled movement of the tool.

Michael, I've heard that you should always use an isolation transformer when
working on a live TV. Is that over cautious for a relatively minor
adjustment?

Liam