8 Jan
2002
8 Jan
'02
7:51 p.m.
-----Original Message-----
From: ard(a)p850ug1.demon.co.uk [mailto:ard@p850ug1.demon.co.uk]
Sent: 08 January 2002 19:34
To: classiccmp(a)classiccmp.org
Subject: Re: Back to board washing for a moment
propan-2-ol (available from Maplin, or at least it used to
be. They call
it isopropyl alcohol).
Dammit; I had a can of that in my hands last night and *put it back*. Duh.
Sometimes smoking can come from dry joints that are
arcing.
By removing
the flyback and resoldering it, you've eliminated one
possible cause...
Yup; I'm going to do that tonight. Last night was 'get the UK101s booting'
night and I was *nearly* successful.
Annother cuase (which led me a merry dance once) is
just dust
burning off
high power resistors that are _supposed_ to run hot. No
fault, other than
it needed cleaning...
That's what started me off on the boardwashing thoughts, and you've also
mentioned that in off-list mails. Doesn't help the fact that the VDU itself
doesn't appear to work aside from heater glow, but it's one more thing
crossed off the list :)
a