Check ALL of the capacitors, even the tiny ones buried down under things. If the entire secondary side of the supply went away, it's most certainly something wrong with the primary side.
OK I thought it was me... thanks Doug! I totally understand....your thought provoking approach was more than helpful, and we are closer now to the full solution.
Z'DOS Model I & III on eBay
"...Z’DOS, a $39.95 stripped down version of MULTIDOS created for marketing purposes..." (http://www.trs-80.org/multidos/)
MikeModifed Today, 08:57 PM...