Samsung SM-A05 charging and data schematic, a 6.28 MB PDF. It covers the USB connector, the charger and power management parts, VBUS protection and the data lines to the processor. Turn to it when the phone does not charge, charges slowly, shows false charging or is not seen by a computer. Measure VBUS, look for shorts to ground on the input and check the overvoltage protection stage. Any PDF reader opens it. Confirm the device is an SM-A05 before following this drawing.
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.