The PowerMac G5 is a desktop computer first produced in 2003 by the Apple Corporation. This guide will review the repair process of an Apple PowerMac G5 model number A1047 EMC 2061 from 2004. It was discontinued in 2006 as part of the Intel switch first to developers then consumers.

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How can I check if the power supply is broken.

How can I check if the power supply is broken.

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About 2 years ago, I found a way to test a G4 MDD's power supply, what you need to do, is make sure it is plugged in, and connected to the motherboard. Using a volt meter and a paperclip, check the connection between pin 14, and any ground (Pin 13 for example) by probing into the top of the connector. If it works, you should get +5 volts. you can use this photo for reference of the PMG5's pinout.

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Pin 1 and any ground may also work

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+ put the black lead of the multimeter in pin #1 and the red in #23. You should get +5 V

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I Have A Power Mac G5 (A1047) With Dual Prosessors and what i had to do was connect the 12V (Pin 23) to the Power On (Pin 14) and spun the fans perfectly. Try that as well.

--Nic

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Michael will be eternally grateful.
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