This board typically features (Whiskey Lake or Comet Lake-U) paired with discrete NVIDIA GeForce MX series graphics. It is known for its compact design, USB-C power delivery (PD) circuitry, and unfortunately, several systemic failure points (which we will cover later).
Even with the in hand, knowing where to look first is key. La-j641p Schematic REPACK
A multi-page document detailing the electrical circuits, power sequences (identifying primary and secondary rails), and IC pinouts. This board typically features (Whiskey Lake or Comet