Samsung SM-G6200 service manual with schematic content, provided as a 6.13 MB ZIP archive. The name lists only the model code, with no board revision. Service manuals of this type typically combine block diagrams, circuit schematics and part locations, letting a technician trace power and signal paths, check voltages at test points and identify failed components. Before working from it, confirm the model code on the phone label matches, then extract the archive and read the documents in a PDF viewer.
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 @esquematicosparatodos. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.