Mainboard Diagram | OpenCentauri | Page 1

gilded depot Apr 15, 2026, 9:02 PM

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This is the area of the board I'm looking at.

hearty gulch Apr 16, 2026, 6:11 PM

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Is Q39 a P-MOSFET ?

gilded depot Apr 16, 2026, 7:06 PM

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hearty gulch Is Q39 a P-MOSFET ?

We think so, all it says is R1 on it.

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Diagram of voltage readings with bed level connected(purple) and without bed level(black). I just installed a new bed assembly, no change. I also connected a different USB c cable to another extruder and also no change.

hearty gulch Apr 17, 2026, 4:23 PM

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Parts (chip) -markings are pretty much useless these days.

blazing olive Apr 18, 2026, 1:17 AM

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hearty gulch Parts (chip) -markings are pretty much useless these days.

Especially if somebody has ground off the numbers, like on the thing I'm tying to repair. Then covered the whole board with paint.

plain lintel Apr 18, 2026, 9:04 PM

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have you checked the opencentauri docs? We don't have schematics but there is a fair bit of info https://docs.opencentauri.cc/hardware/CC1/mainboard/

#Mainboard Diagram