[Coco] Coco3 System problem

[Rogelio Perea]

Without access to a scope and the drive's maintenance documentation it will
be hard to establish what could be wrong with its electronics. You have
pretty much done what is typical when diagnosing a drives problem with the
CoCo.

The only thing that comes to mind is just to reseat all pin header
connectors within the drive, just to make sure every wiring harness is
secured at its endpoints, depending on how the boards in the drive look
(workmanship), taking a look at the general state of the solder side of the
boards could reveal a bad solder joint... long shot but it is possible, have
seen stuff like that happen.


-- RP



On Sat, Aug 27, 2011 at 5:01 PM, john T Chasteen <johnchasteen.2 at juno.com>wrote:

> I finally had to take the 5.25 inch floppy drives out of their case.
> Drive
> Zero finally refused to read disk or format disk. I changed he option
> clips
> on drive one and optioned it to be drive zero. The failed floppy unit
> will
> still spin and the select light comes on but I cant format or read
> diskettes.
> Any suggestions will be appreciated in trying to "Fix" this floppy drive
> problem.
> I did use a "Cleaning Diskette"  to see if that would help.
> I am sure I can replace the floppy with one that is still good.
> Any suggestions will be appreciated.
>
> John
>
> "Life is like riding A bicycle. To keep your balance you must keep
> moving"
> Albert Einstein
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