20 Mar
2015
20 Mar
'15
9:08 p.m.
On March 20, 2015 9:52:14 AM PDT, "drlegendre ." <drlegendre at gmail.com>
wrote:
In the meantime, have you re-soldered the power
connections to the
analog
board? There's a group of them, large-ish pins (might be a connector
body,
don't totally recall), which tend to develop near-invisible cracks in
the
joints where they meet the board.
AFAIK the issue is common to all of the classic compact Macs, and it
can
cause all sorts of odd problems.
On Fri, Mar 20, 2015 at 1:27 AM, Terry Stewart
<terry at webweavers.co.nz>
wrote:
Would that be the cause of a flicker in the crt?
--
David Griffith
dave at 661.org
Yes it sounds like caps Dave. A very common
issue with those
machines.
Terry (Tez )
On 20/03/2015 6:39 PM, <dave at 661.org> wrote:
>
> I'm gradually restoring a Mac SE/30. Today I got a new PRAM
battery and
> installed it. There was no battery leakage,
so I'm good there.
The
> machine seems to run just fine. The big
problem now is that even
though
> nothing should be emitted from the speaker,
I'm getting zips,
buzzes, and
> burbles from it depending on what the
computer is doing at the
time. I'm
> quite sure the the sound circuitry is
somehow picking up RF noise
from
the
> system bus. What does this symptom indicate? Should I recap the
whole
> > machine?
> >
> > --
> > David Griffith
> > dave at 661.org
> >
> > A: Because it fouls the order in which people normally read text.
> > Q: Why is top-posting such a bad thing?
> > A: Top-posting.
> > Q: What is the most annoying thing in e-mail?
> >
>