Schematic for the HP nx9040 business notebook, packed as a 970 KB PDF. The file name names the model only, without a board number, ODM code or revision, so read the markings on the motherboard to confirm compatibility. Technicians use such drawings to follow the power path from adapter to charger and regulators, identify parts feeding a shorted rail and check connections between major chips. Any PDF viewer will open it, and searching for net names speeds up navigation between sheets.
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 @cyberlanelectonik. 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.