Schematic for the Compal board LA-7071P, revision 1.0 as indicated by the r10 suffix in the name. No laptop brand or model is stated, so identification relies on the LA-7071P code printed on the mainboard. Opened in a PDF reader, the drawing lets a technician trace voltage regulators, check the power-on sequence, follow signal lines and locate components when measuring for shorts. Compare the revision on your board with this one, because Compal revisions sometimes change parts or the layout.
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 @hrtechno. 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.