Motherboard Dell 5531 schematic?

[ctebke]

Hello, I need schematic for dell 5531? Or if someone can identify PU4501, chip marking "R9E1D" (I dont know where to buy or how to identify part) controller for 3.3v. Motherboard Dell 5531 213002-1.

[SMDFlea]

Hello, I need schematic for dell 5531? Or if someone can identify PU4501, chip marking "R9E1D" (I dont know where to buy or how to identify part) controller for 3.3v. Motherboard Dell 5531 213002-1.

Is the board marked BM15 MLK UMA

[ctebke]

Board marked " 213002-1 " With i7-12800H CPU Laptop Motherboard For Dell Latitude 5530

[Gernet]

SY8388B3RHC mark = R9...=

[ctebke]

Thanks