I found it and adjusted it to the correct voltage. All is well. Thanks to all for your suggestions!
On Sep 15, 1:35 pm, Mac128DOTcom <[email protected]> wrote: > unless Larry pina's book is wrong. He is the authority on vintage Mac > repair. And it's on mine. Dead center, black round disk with an inner > white disk and a + shaped tool control. There are two wires which > attached to the board just above it. There are two completely > different analogue boards, so the other may be in a different place, > though Pina does not mention this. It strikes me that to safely adjust > the voltage one must have an extremely long tool to control it from > the other side of the monitor with the unit assembled and powered on. > If you still can't find it, I'll take a picture of my board and post > it, just in case yours really is different. > > On Sep 15, 1:59 am, platnicat <[email protected]> wrote: > > > > > Hmm. Are you sure this is on the Classic? > > > On Sep 14, 10:46 pm, Mac128DOTcom <[email protected]> wrote: > > > > Ah, no. That's like putting black tape over the check engine light on > > > your car's dashboard. Eventually things will get really bad. The > > > voltage pots are in the middle of the board, marked PP1 > > > > On Sep 12, 11:52 am, platnicat <[email protected]> wrote: > > > > > The drive DEFINITELY is D.E.A.D. I put it in an external SCSI > > > > enclosure with no fans, and it makes no noise whatsoever. I had read > > > > that stiction article before, and I tried that too. Also, the 5V was > > > > at around 4.5, and the 12V was at around 10! I couldn't find an > > > > adjustment, however, so I expanded the vertical and horizontal to fill > > > > the screen. The jumpy video is much less noticeable and now the screen > > > > looks gorgeous! > > > > > On Sep 11, 7:21 am, chrisA <[email protected]> wrote: > > > > > > platnicat wrote: > > > > > > However, the HDD isn't being recognized in any disk > > > > > > format utility I tried. > > > > > > Does it mount on the desktop? > > > > > > Maybe you know that non-Apple drives aren't recognised by Apple HD SC > > > > > Setup, though third-party disk formatters should see it if it's still > > > > > alive. Ernst J. Oud's web page "Formatting Macintosh SCSI drives" has > > > > > a host of suggestions and links to formatting software: > > > > > >http://www.euronet.nl/users/ernstoud/scsi.html > > > > > > One way to tell if the drive is spinning up is to temporarily stick a > > > > > toothpick through the SE's fan blades to stop them whirring, and then > > > > > listen for drive noise. No noise probably means no drive.... > > > > > > If it seems dead, the problem may be "stiction", discussed here: > > > > > >http://ccadams.org/se/stiction.html > > > > > > Good luck, > > > > > Chris Adams. > > > > > --- > > > > > The Mac SE Support Pageshttp://ccadams.org/se/ --~--~---------~--~----~------------~-------~--~----~ You received this message because you are a member of the Vintage Macs group. The list FAQ is at http://lowendmac.com/lists/vintagemacs.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/vintage-macs Support for older Macs: http://lowendmac.com/services/ -~----------~----~----~----~------~----~------~--~---
