PCB diagram for the NP-R410 notebook, a model naming pattern Samsung uses, supplied as a schematic PDF of about 1 MB. The name does not state a board code or revision, and the extra token imp is unclear, possibly an uploader note. Such diagrams let a technician trace power rails, follow signal paths, locate the charger and regulator circuits and diagnose shorts or no-power faults. Check the title block for the project name and revision and compare it with the markings on your motherboard before relying on 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 @smschematics. 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.