A schematic diagram for HP hardware (board LA-4102P). Shared as “HP_DV4_CQ40_CQ45_-_INTEL_DISCRETE_Compal_LA-4102P (2).pdf” — a .pdf file, 1.96 MB.
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 @Satale_bios_esquemas_Laptop. 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.
Any PDF readerSumatraPDFFirefox / ChromeFlexBV (links PDF to boardview)