Revision 1.3 schematic for the ASUS K40AB laptop, provided as a 2.07 MB PDF. It shows the full mainboard circuit, including power regulation, charging, CPU and chipset support and I/O. Use it to trace power rails, check enable signals during a no-boot diagnosis and identify components near a short. Any PDF viewer opens it, and searching by reference designator speeds up locating parts. Match the board revision to R1.3 before use, since earlier or later revisions may differ.
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.