Spanish PDF describing the charging process of the J700M, which matches the Samsung Galaxy J7 model code, 976 KB in size. It likely walks through the charging path from the USB connector through protection and the charger IC to the battery, with points to measure along the way. A technician uses it to diagnose no-charge or slow-charge faults by checking voltages stage by stage. Confirm the board variant before relying on component references, and use the full schematic for detail.
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 @canalesquematicos. 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.