----- Original Message ----- From: "Chuck Guzis via cctalk" <[email protected]> To: "Jim Brain via cctalk" <[email protected]> Sent: Monday, July 13, 2020 3:29 PM Subject: Re: TM848 repair?
> 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 ---------------------------- Which document is that? I find it on PDF page 85 of the OEM Operating and Service Manual TM-848-1 and TM-848-2 Disk Drives, Sheet 4 of 5. m
