EVGA 650G - not powering on

[Thainglo]

Good morning Gents! I have an EVGA 650G power supply that is not powering on. The fan will spin for about one second, then it shuts down. After doing a lot of reading on here, I pulled the board and gave it a close visual inspection. It appears to me that Diode D21 has burnt out in a big way. Is there any chance anyone knows what a replacement would be? I've scoured the web and could not find a schematic or reference.

Any help will be much appreciated!

[Thainglo]

Re: EVGA 650G - Burnt Diode Identification

One the the threads here I went through closely is from SniperSquad100 and shows a picture of that area on his identical PSU. It appears like the adjacent resistor (R82) has also taken a dump. I cannot quite make out the identification of that component.

His link is here: https://www.badcaps.net/forum/showth...highlight=evga

Attached is the picture from his post.

[Thainglo]

EVGA 650G Strange MOSFET Readings

Gang - Have an EVGA 650 PSU I'm troubleshooting. Posted earlier about a couple of components I thought were burned out. After giving the board a clean, both the diode and resistor turned out to be present and in working condition.

I went the next step of checking MOSFET readings between the ground, 3v3, 5v, and 12v rails. For most of the readings, the ohms would increase as I left the probes on. That leads me to believe a capacitor might be in parallel - would that be normal?

After gathering up those readings, I then measured resistance between 12v, 5v, 3v3, and ground. Same issue - resistance would start low and gradually increase. I am struggling to think that would be correct.

Any guidance would be much appreciated!