Reviving DEC RX01 power supply
oldcpu2 at rogerwilco.org
Tue Sep 4 21:46:22 CDT 2007
> Well, the 24v is used primarily for the head positioner and the head-
> load solenoid, so its voltage isn't terribly critical.
This is good to know. I admit, I haven't gone through the RX01 logic
PCB schematics. You've saved me some trouble. Thanks.
> If you want to feel secure with a regulated voltage, try putting
> something like a 7824KC or 78H24 (2A, 24v) TO-3 regulator. But if
> your RX01 has lasted this long without, it's probably not important.
Yes. I'm probably not worried enough to do this. Like you said, if this
30-year old system has survived all these years so far, it's probably
going to be okay (unlike an RD53 that just failed on me, but that's
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