Re: A1289 Mac Pro "Early 2009" PSU (ACBel FS8001-291H, 614-0455)

I had pulled everything out of the system other than one GPU and an SSD, but with every G5 and 2006/2008/2009 Mac Pro I've ever used, it's normal for the system to make a muted clicking sound when the mains power is switched on, and again when the system is powered up and shut down - I believe this to be mechanical relays but I can't actually see any in this mac or its PSU.

I did however discover and remove a small drop of solder in between two traces, which may have been shorting the 12v rail,...

So a couple of days ago I picked up a 2009 8-core Mac Pro in "as seen" condition at a price that was too good to pass up, got it home, eventually managed to install OS X on it, and then it died while downloading updates. This machine looks like it was used for heavy video editing work as it still had a Blackmagic capture card and two GPU's installed, but I expect we'll see a lot more of these 2009 Mac Pro PSU's failing soon.

After it died, the machine made some clicking noises, like it was trying to fire a relay but something wasn't working right, so it kept randomly clicking...

Re: New Members - please post your introductions here

Hi everybody! I'm an amateur tech and have found this site to be an invaluable resource when repairing everything electronic, from TV's and computers to guitar amps, for myself and my friends/family. I would like to contribute to this community where I can