>> Most likely the "other" components were capacitors. Readily available. Uses >> lead free solder. But have a high degree of difficulty. It does give me >> high hope of fixing two logic boards and two power supplies I've been >> pondering over. > > Nope, the other component was diode.My friend found that there were two of > them in the high-energy part of the PSU that were secured with a fuse. The > energy spike must have shorted the cicuit of the diode and gladly the fuse > blew. He also thought a transistor wasn't right but kept this as a last > option > for the case it wouldn't work still. Must be a strange transistor since it > works or he misinterpreted the multimeter readout. > > Anyway, that' what cause the loud “bang”: the diode that blew. And that's why > I didn't hear a “click” anymore thereafter. > > All the capacitors were okay – visually checked, and since none where changed > and it now works again: tested. > > One other thing: the fuse was standing so he had a hard time replacing it. > Also it was close to a “crowded” area, little space for working. But what can > I say? He must have gotten it right. >
Thanks for the heads up on the diode. Up to this point I all indications are that I have some bad capacitors. If fact some visually look bad. As for checking other components, I sure wish there were readily available reference material. For instance a Sam Photofact or similar. R/ Deaner -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-list.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/g3-5-list
