Bigtreetech Manta M8P 1.0 shortcut. Burned chip

[hcet14]

Welcome PawelF,

Looks like U17 (step-down regulator RY8336) is blown as BoguesUser already mentioned.

@PawelF

• If someone could point me the burned chip on the schematic and tried to give me any assumptions/RCAs of what happened here I would be very grateful

Have a look at the blue frames, these are the relevant parts on the board.

The +12V output voltage goes just to VAN0 to VAN5 and VCool (schematics). Pin header P9, P10, P11, P12, P13, P15, P17 (pic above). See Manta-M8P/V1.0_V1.1/Hardware/BIGTREETECH MANTA M8P V1.0-SCH.pdf at master · bigtreetech/Manta-M8P · GitHub

@PawelF

Unfortunetly after removing the pin the circuit is still shortened.

VAN0 to VAN3 have the same orientation. The other pin headers are turned by 180°!

Could it be, you made a mistake when connecting?

@PawelF

Do you guys have any idea what I can do to check if replacing the burned chip would bring my motherboard back to life or if its dead for good ?

Are you able to solder? You can get a fresh RY8336 quite easy for very little money.