Schematic diagram for the ASUS M3400QA laptop motherboard, revision 2.0, in a 3.28 MB PDF. Technicians use it to trace power rails, follow the power-on sequence, identify voltage regulators and check signal paths when diagnosing no-power, no-charge or short-circuit faults. Pair it with the matching boardview to locate the components physically. Make sure the revision printed on the PCB is 2.0, since part numbers and circuit details can differ between board revisions of the same model.
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 @cynetitsolution. 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.