6 Mar
1998
6 Mar
'98
9:19 a.m.
Date: Thu, 5 Mar 1998 21:26:04 +0000 (GMT)
From: Tony Duell <ard(a)p850ug1.demon.co.uk>
To: "Discussion re-collecting of classic computers"
<classiccmp(a)u.washington.edu>
Subject: Re: Broken TRS-80 Model 1
[snip]
Well, as I said last week, these monitors are about
the most dangerous
piece of classic computer equipment to repair. Apart from the video input
circuit (before the opto-isolator), everything inside them is directly
connected to the power line. It's like an AA5 radio, with the added
advantage of an EHT power supply.
[snip]
I really
don't recomend this one for a novice.
Well Tony, you convinced me last week. I have this _survival_
thing going, and don't want to cut my streak of good luck short any
time soon.
Seems like old hardware is more available than old software
and documentation. I suppose copyrights still exist on this stuff,
but it seems like the web is the perfect place for old tech reference
manuals and schematics. Wasn't Allison involved with the TRS-80
development? Know anyone at RS who might be able to sign off on
putting this stuff into the public domain so our types can publish
this documentation?
--jmg