Shared schematic for the ASUS K40IJ and K50IJ notebooks, revision 1.1, in a 1.63 MB PDF. The two models use a common mainboard design, so one document covers both, though the name gives no separate board code. Use it to trace the power path from adapter input to system rails, read the sequence of enable and power-good signals, and locate fuses, MOSFETs and regulators during diagnosis. Confirm the revision printed on the PCB matches 1.1, since component fitting can vary between board revisions.
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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The standard format for schematics, block diagrams, power-sequence charts and service manuals.