An archive of repair files for Samsung hardware. Shared as “SAMSUNG SM A320F emmc direct pinout.tar” — a .tar file, 147 KB.
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 @ShareMan_Electronic_Files. Enginerys does not host this file.
Samsung service guide for the Galaxy SM-A320F, document revision 2.9, supplied as a 3.09 MB PDF.
Service schematic for the Samsung SM-A320F smartphone, the Galaxy A3 2017 model code, supplied as a ZIP archive of about 928 KB. Unpack it to reach the circuit diagrams.
Samsung SM-A320F circuit schematic in PDF format, about 3.51 MB. No revision or additional variant info appears in the name beyond the model code.