: The first step often involves checking power rails. The schematic identifies specific test points where a multimeter should read particular voltages, such as the CPU or Power IC outputs.
Most technicians begin their search on specialized archival sites. While official "service manuals" usually only cover basic setup, the true schematic is often found on community platforms like or repair-focused sites like XiaomiTools Key documents you'll encounter in your search: Main Board Schematic : Detailed symbols showing how parts like the Snapdragon 732G processor interact with other components. PCB Layout (BoardView) Redmi Note 10 Pro Schematic Diagram Pdf