Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ucbvax!hplabs!hp-pcd!hpvcfs1!stevem
From: stevem@hpvcfs1.HP.COM (Steve Miller)
Newsgroups: comp.sys.mac
Subject: Re: Need a Flyback Transformer for my Mac
Message-ID: <780089@hpvcfs1.HP.COM>
Date: 29 Nov 89 23:31:17 GMT
References: <609@telesoft.com>
Organization: Hewlett Packard, Vancouver, WA
Lines: 26

Colleen writes:

>A few weeks ago I was logging into work from home when my Macintosh
>screen died on me.  I have the original Macintosh 128K that has been
>upgraded to 512K.  The Mac is about 5 years old.

This may be the solution to your problem:

Many of the older Macintosh's had problems with their power supplies.  The
problem would make the screen jitter and eventually completely fail, usually
only displaying a single vertical line in the middle of the screen.  The 
problem usually was faulty solder joints on the power supply board.  This
problem and it's solution is very well documented in an article of MacTutor
Magazine.  The exact issue escapes me but it was about 2 years ago.  The
solution was to open your Mac and re-solder the bad joints.  Only about
two or three joints needed to be re-soldered, taking only a few minitues to
do.  Two friends and I had this problem and we were able to fix it
ourselves!!!

If you need more information, email me and I'll try to find the issue of
MacTutor that had the information and relay it to you.  If you know of other
veteran Mac users, then they may have done the fix, or know how to do it.

Steven Miller        ...hplabs!hpvcfs1!stevem
Vancouver Division
Hewlett Packard