Schematic for Dell motherboard LA-J181P, made by Compal, as a 2.12 MB PDF with no revision stated in the name. It shows the power architecture, regulator circuits, enable and power-good chains and connector pinouts used when diagnosing power, charging or display faults. A matching boardview for the same number provides physical locations of the parts referenced in the drawing. Compare the LA number and revision printed on your board before relying on component values.
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 @cynetitsolution. 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.