Schematic in PDF for the Lenovo G50-40 and G50-30 notebooks, motherboard NM-A311. The NM- numbering belongs to LCFC, Lenovo's own ODM. Use the diagram to trace power sequencing, standby rails and signals, and to find the components to measure when a board shows a short or will not turn on. Any PDF viewer opens it, and text search for net names usually works. Make sure the board number on the PCB matches, since the same chassis can ship with different board designs.
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 @schematicslaptop. Enginerys does not host this file.
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How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.