Spanish tutorial PDF on how to read a schematic, credited to ABCtecnologyspro. It is a training document rather than a diagram for a specific device, and it likely…

Spanish lesson on how to read a schematic, an 872 KB PDF. It is a training document rather than a diagram for a particular product, and no device or board number appears…

Spanish guide, 213 KB PDF, whose title translates as how to read Samsung firmware. No model or board is named, so it is a general how-to rather than a dump or schematic.

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

Archive named only BoardViewer, so its exact contents cannot be confirmed from the name, though it is filed as boardview material of about 1.25 MB.