Perhaps there's a solder crack somewhere. I fixed at least 1 p/s many moons ago by touching various pads on the underside of the board. Put it all back together and it worked like a charm. And I chose spots randomly and.wasn't even that thorough.
------------------------------ On Sat, Jun 1, 2013 11:06 AM PDT Notgoing Totellyou wrote: >isn't the most common thing to cause a short like this in a switch mode >power supply, is bridge rectifier gone bad? > > >On Sunday, May 19, 2013 3:55:06 PM UTC-4, Notgoing Totellyou wrote: >> >> Hello there i have this LISA2 PSU here, >> >> What its doing is blowing the fuse, >> install a new fuse plug it in, it blows again, >> >> I am assuming there is a short, i checked the bridge rectifier, the 4 >> diodes check out good with the VOM. >> Anyone else had these issues with the LISA 2 power supply, maybe a common >> issue before i spend half the day probing around >> with the VOM. >> >> Thank You much, as always. >> Charles >> >> > >-- >-- >----- >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] >To leave 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/ >--- >You received this message because you are subscribed to the Google Groups >"Vintage Macs" group. >To unsubscribe from this group and stop receiving emails from it, send an >email to [email protected]. >For more options, visit https://groups.google.com/groups/opt_out. > > -- -- ----- 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] To leave 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/ --- You received this message because you are subscribed to the Google Groups "Vintage Macs" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
