Xiaomi Mi 3 logic block diagram combined with board position drawings, according to the Chinese name, in a 2.57 MB PDF. The block section outlines how processor, power, memory and peripheral circuits connect, while the layout pages show component positions on the PCB. Together they help narrow a fault to a section and then locate the physical parts. No board revision is stated, so compare with the actual Mi 3 board first.
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 @mobileschematicshub. 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.
Any PDF readerSumatraPDFFirefox / ChromeFlexBV (links PDF to boardview)