Service manual for the Samsung GT-I8552 Galaxy Win, packed into a 4.24 MB RAR archive. Samsung service manuals usually include specifications, disassembly steps, block diagrams, schematics, part placement and troubleshooting flowcharts. Technicians use them to trace power rails, find test points and identify parts when a phone shows no power, no charging or no display. Extract with WinRAR or 7-Zip and open the PDFs inside with any reader. Confirm the exact model code on the device label before relying on board diagrams.
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 @esquemaseletricos. 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.