Schematic collection for AMD Radeon RX 400 and RX 500 series graphics cards, about 78 MB in a RAR archive, without specific model names. Such documents are used to trace the core and memory VRM circuits, check power sequencing and identify component values around the GPU and GDDR memory. Board partners often reuse or change reference designs, so find the PCB number on the card and pick the matching file. Inspecting component values against the schematic helps confirm the correct revision before replacing parts.
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 @videocard_notebook_resistance. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.