Component name or parts location page from the Samsung SM-A30S (Galaxy A30s) schematic set, delivered as a 4.29 MB PDF. Sheets like this map reference designators to their positions on the board, letting you find a specific capacitor, coil or IC named in another schematic page. Use it together with the functional pages when hunting a short or replacing a part. Open in any PDF reader and zoom in on the layout; confirm the board revision matches before relying on positions.
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 @phoneSchematics. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.