Just ran across this a few days ago on different search...
https://groups.google.com/forum/#!topic/comp.sys.apple2/kJ4SosdZTb4
May have some helpful info.
On Wed, May 22, 2019 at 11:56 AM John Many Jars via cctalk <
cctalk at classiccmp.org> wrote:
I feel like I'm falling down a rabbit hole with
this old ][ europlus I've
had for years.
The smoke came out of the power supply, so I replaced it with one from
ReactiveMicro. Now it boots, and was working okay, until this morning.
Now, no keyboard <except> if you hit ctrl-reset. All other keys are
ignored.
Anyone have any ideas? (:
Thanks,
John (aka Mark)