Broken TRS-80 Model 1

From: J. Maynard Gelinas <jmg_at_iac.net>
Date: Fri Mar 6 09:19:26 1998

> Date: Thu, 5 Mar 1998 21:26:04 +0000 (GMT)
> From: Tony Duell <ard_at_p850ug1.demon.co.uk>
> To: "Discussion re-collecting of classic computers" <classiccmp_at_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
Received on Fri Mar 06 1998 - 09:19:26 GMT