Thanks for the link, and the cautions on resoldering. None of the caps are visibly damaged, but I know that doesn't mean that one or more aren't faulty.
On Jan 3, 8:22 pm, Jim Scott <jesco...@gmail.com> wrote: > On Jan 3, 2012, at 5:19 PM, Jim Scott wrote: > > > > > > > > > > > > > On Jan 3, 2012, at 4:49 PM, faithie999 wrote: > > >> thanks. > > >> i have no use for this when/if i fix it; i gave a 20" imac G5 that we > >> were no longer using to my sister for her kids. > > >> however, i hate to put this in a landfill! > > >> as an academic exercise, i may spring for the capacitor kit and give > >> it a try. > > >> ken > > > Here's another site with a wealth of information about replacing iMac G5 > > capacitors on the logic board as well as the power supply, plus kits are > > available for purchase. > > > I've replaced caps on dozens of iMac G5 and eMac G4 logic boards, and in a > > dozen or so iMac G5 power supplies. I started out replacing all of them, > > but I've come around to where I now replace only those with bulging tops or > > with bulging/leaking tops or that are tilted noticeably because the bottom > > rubber plug has blown (rare). My success rate of revival has increased > > dramatically since I started replacing only the observable "bad" ones. This > > is most likely due to the fact that it's extremely difficult to remove and > > replace caps on iMac G5s without damaging the internal traces in the layers > > of the logic boards, or failing to adequately melt the high-temp solder > > used by Apple and thus effect a good solder bond. > > > Even after I've succeeded in reviving some iMac G5s, I have to go back and > > resolder a few joints that have come loose after a number of heat up/cool > > down cycles. > > > If you're a glutton for punishment, go for the recaps. But be prepared to > > never completely trust that iMac again. > > > On the other hand, I've have no failures of any eMacs whose capacitors I've > > replaced. > > > Jim Scott > > Oops! Forgot to input the web site referenced above: > <http://jimwarholic.com/2008/07/how-to-repair-apple-imac-g5.php> -- 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 g3-5-list@googlegroups.com For more options, visit this group at http://groups.google.com/group/g3-5-list
