PDF schematic for MSI MS-V389 revision R1.2, the board behind RTX 3080 and RTX 3090 cards, with document number 00205363 in the name. It documents power sequencing, the GPU core and memory VRMs, fan and LED headers and the video outputs, which makes it the reference for working out why a rail is missing or which part protects a given input. Open it in any PDF viewer. Confirm the card's PCB revision is R1.2, as early revisions of this design differ in parts and values.
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 @boardviews_schematics. 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.