Location map for the Redmi K40 Pro main board, a PDF of about 817 KB. It shows the physical placement of chips, passives, connectors and test points with reference designators, so a part found on the schematic can be located under the shields. Technicians use it while checking for shorts, measuring rails or replacing components after microsoldering. Open in any PDF reader and zoom in for detail. Verify the board revision of the phone matches before trusting placement.
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 @schematic_mobile5. 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.