Spanish-language PDF of 237 KB whose title translates to nomenclature of the schematics, meaning a guide to the naming and abbreviations found in circuit diagrams.

Spanish tutorial on learning to read a schematic, a 747 KB PDF and a separate document from other similar titles in this collection.

Samsung Galaxy S23+, model SM-S916B, full schematic distributed as a 19.4 MB PDF. Flagship boards are densely stacked, so a diagram like this is the practical way to…

Schematic diagram in PDF form for the Huawei P30 smartphone, a fairly large 35.9 MB document that likely spans the full logic board circuitry.