On 12/13/2015 7:22 AM, tony duell wrote:
I've done the obvious, reseating socketed ICs, checking the +12V and +5
rails, and checking the on-board CPU reset line. Does anyone have any tips
for what's best to try next?
Didn't at least some versions use 2114 RAM chips? If so, then check/change
those first
Instead of just randomly replacing stuff, check here:
http://personalpages.tds.net/~rcarlsen/cbm.html
Ray Carlsen's articles are the gold standard in Commodore hardware
diagnostic and repair information.
g.