Search found 3 matches

by AetherSmyth
Sat Aug 26, 2017 12:46 pm
Forum: Hardware and Tech
Topic: Odd Issue: Freezes/Unfreezes When Bumped
Replies: 10
Views: 1678

Re: Odd Issue: Freezes/Unfreezes When Bumped

Thanks for the suggestions, folks, I narrowed down the offending chip to the 6522. By my reading of the technical data, that's an I/O chip, so I'm not sure how it was causing the symptoms described, but after removing and reseating the IC I'm having no further issues. Here's the troublemaker: 2017-0...
by AetherSmyth
Thu Aug 24, 2017 8:23 am
Forum: Hardware and Tech
Topic: Odd Issue: Freezes/Unfreezes When Bumped
Replies: 10
Views: 1678

Re: Odd Issue: Freezes/Unfreezes When Bumped

In this case the first things I would do are: - reseat all socketed chips (but you said it was a later version so there might not be any) - clean connectors on all i/o ports - reflow all solder points on the bottom side of the board. Thanks, that was my basic plan, I was just hoping I might be able...
by AetherSmyth
Wed Aug 23, 2017 6:51 pm
Forum: Hardware and Tech
Topic: Odd Issue: Freezes/Unfreezes When Bumped
Replies: 10
Views: 1678

Odd Issue: Freezes/Unfreezes When Bumped

I recently became the proud owner of a later-version VIC-20 a couple of months ago, but have been having a rather odd issue: the computer has a tendency to freeze when physically moved, jostled, or bumped. What's particularly odd is that if it's bumped it a few more times, it will eventually unfreez...