PDF schematic covering the Lenovo IdeaPad Y410 notebook, 1.02 MB in size. The file name lists neither the ODM nor a board number, so the drawing's own title pages are the place to confirm which mainboard and revision it describes. Repair work with a document like this covers tracing the adapter input and battery charger, checking each power rail in turn, and finding pull-ups, fuses and MOSFETs near a fault. Compare it against the identification printed on the PCB before taking component values as correct.
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 @alischematics. 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.