Diagnosing Quadra 800- no power on

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Joined: Dec 22 2006
Posts: 4

No power on, no light, nothing. I've unplugged all the hard drives, memory upgrades, nubus cards, etc and nothing still happens when I press power button.

I can't find a good correct pinout of the power supply. There are a couple for motherboard but I am not sure if it's correct.