I had a problem like this on a VT52, and the problem
turned out to be one the
power supplies (the -12v one) had died. Wired in a 7812 (or whatever it is for
- voltage) and the monitor came back.
May want to look inside and see if a supply rail is dead.
A good suggestion. This morning it powers up fine, so maybe there's a cold or
bad solder joint somewhere in that area, or a failing cap. I'll check the rails
next time it goes bad.
--
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http://www.cameronkaiser.com/ --
Cameron Kaiser * Floodgap Systems *
www.floodgap.com * ckaiser(a)floodgap.com
-- They told me I was gullible ... and I believed them. -----------------------