On 7/13/20 12:18 PM, Jim Brain via cctalk wrote: > On 7/13/2020 2:00 PM, Mike Stein wrote: >> Shouldn't be too difficult to troubleshoot; have you got the manual? >> >> Start by checking the 24V > 12V regulator... > > As for a manual, I have this: > > https://www.scss.tcd.ie/SCSSTreasuresCatalog/hardware/TCD-SCSS-T.20141115.002/Tandon-TM848-Specification-and-Schematic.pdf > > > I don't see the VR section in that, though.
If it's the same document that I have, PDF page 18, second-to-last page of schematics, near the bottom, near the legend "DC POWER CONNECTOR" --Chuck