A 2.78 MB PDF schematic page dedicated to the SD card section of the Samsung SM-A23. It shows the memory card socket, its data, clock and command lines, card-detect signal and the supply rail powering the slot. Technicians reach for this sheet when a phone fails to recognise microSD cards, to check filter components, ESD protection and continuity between the tray connector and the processor. Any PDF viewer opens it; verify the board variant before relying on reference designators.
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.