Microsoft Surface Pro 5 schematic in PDF form for board M1007506-015, revision U22. It documents the logic board circuits, useful for tracing power rails, checking the charging and battery path, and following display and storage signals during repair. A PDF viewer with search lets you find nets and reference designators quickly. Compare the board number and revision printed on the PCB with M1007506-015 U22; a separate U23 revision exists, and small differences between revisions can change component values or 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 @vinafix_bios. 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.