[Coco] OT: TRS-80 Model I repair info

[Rogelio Perea]

Have you tried posting to the newsgroup comp.sys.tandy? there is still
good activity there and lots of TRS-80 savvy heavyweights hang around
frequently.


-- Rogelio


On Tue, Apr 14, 2009 at 5:50 PM, Christian Lesage <hyperfrog at gmail.com> wrote:
> I've been given two TRS-80 Model I computers that I would like to repair.
> Both are fitted with 16kB RAM, Level II Basic on a daughter board, a numeric
> keypad, an extra switch on the right-hand side and an extra daughter board
> (in addition to the one with the Level II ROMs). Several wires are
> connecting the extra switch and daughter board to different points on the
> logic board. Unfortunately, some of those wires have been snatched or
> unsoldered. I believe I could make at least one of the the computers work if
> only I knew where the wires are supposed to go to.
>
> I do not know if the extra switch and daughter board were added by a Radio
> Shack technician or a computer hobbyist.
>
> Anybody knows a bit about the Model I? Is there some resource with
> information about this kind of modification?
>
> Thanks a lot,
>
> Christian