Schematic in PDF form for a Lenovo laptop motherboard numbered NM-A361. The NM- prefix belongs to LCFC, the Lenovo-owned design house that builds many IdeaPad and ThinkPad boards, but the file name gives no laptop model or revision. Open it in any PDF reader to follow power rails, check the charger and standby circuits, and trace signals between the chipset, memory and connectors when looking for a short. Compare the board number and revision printed on the PCB before using its values for a repair.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @jdschematicsworld. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.