![]() The caps are cheap so I would like to give a shot. I ordered some replacement caps for these TAICON caps and am waiting for the parts to come. ![]() I'm just wonder if any one had replaced TAICON caps and this replacement cured the problem. I guess the failure rate of this power supply is so high that even if I'm lucky I wouldn't be able to find a PSU which will last next a few years. All sellers just turned on the computer to see if it boots and the dismantle to sell. After three purchases, I gave up finding a used one. So, I tried to purchase used ones from E-bay. After checking multiple possible causes, I came to the conclusion that the PSU is problematic. As soon as, 250 W is reached, the computer shuts down. I used a Kill-A-Watt to see the instantaneous power. Basically, with any App that requires some power the computer shuts down and reboot. The computer boots but immediately shuts down and reboot when I open Safari (or Firefox). It would be nice though to find a way to repair them I always buy them with the squaretrade warranty from ebay. If anyone has an experience in repairing this PSU and share, I will really appreciate that.I replaced the second PSU on my cMP5.1. If anyone has an experience in repairing this PSU and share, I will really appreciate that. ![]() ![]() By the way, the motherboard appears to be Foxconn made and has a whole bunch of NCC on it. So this thread is about what the PSU looks like and a little bit about it. Or maybe just get all of the caps under 450v just to have on hand.ĭoes anyone have any idea who made those polymer caps?Īnyways, I've noticed a lack of information available on Mac internals, especially the Mac Pro. I was thinking that maybe it might possibly be a good idea to replace all of those TAICON caps even though they look OK. The PSU seems well constructed and when running the system is a paragon of Stability. Here's the Capacitor list, with the exception of one tiny NCC that was under a heatsink and gobbed down with glue and of course the ceramic disc and "other" caps:ġ6x ? 330 /16v Polymer caps marked "PS665"Īll caps appear to be standard sizes and in good condition. There is no internal fan, but there is a 120mm dedicated PSU fan mounted in the case. The PSU has a total of four similar output connectors with 8-12 wires in each (keyed to prevent mis-connects). There do not appear to be any 3.3V or 5V outputs. It appears to have six 12V outputs of 11-18A each and one 5v standby rated at 5A. The PSU is made by Delta and is rated at 980w output. so today I disassembled, cleaned and inspected the PSU and even took some pictures. So, while I had the system apart for dusting I thought that maybe taking a close look at the PSU might be a good idea. I was a little suspect of the PSU in particular because of my G5 iMac PSU with the bloated Ltecs in it. I've got this killer monster dual-Xeon Mac Pro which is the best computer that I've used so far and.
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