Schematics for older AMD Radeon graphics cards, covering the HD 7000 generation up to the R9 390, about 40.6 MB in a RAR archive. No individual models are listed, so the files have to be matched to the PCB part number on the card being repaired. Typical work with these documents includes checking VRM phases, finding shorts on the core or memory rails and following signal paths to display outputs. Partner boards differ from reference designs, so check component placement before trusting 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 @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.