Learning document about the function generator and oscilloscope, provided as a 662 KB PDF. It is not a board schematic but material on two core bench instruments.

PDF document of 885 KB whose Persian file name translates as oscilloscope, which suggests a guide or tutorial on using an oscilloscope rather than a schematic for a…

PDF document titled in Portuguese as the oscilloscope, filed under schematics but with no device, brand or board number in its name.

Spanish-language section 3.3 on the oscilloscope, part of a workshop equipment chapter in a phone repair course, supplied as a 362 KB PDF.

Spanish PDF titled Puntas de prueba, meaning test probes, 101 KB, with no device named.

Schematic in PDF format for the Mo-1225 analog oscilloscope, with the file title in Portuguese.

Short Spanish PDF course on the oscilloscope, 375 KB, with no device or model associated. It is study material, not a circuit diagram.

Manual of digital electronics written in Spanish, a general reference rather than a schematic for any particular equipment.

Power sequence document for the ASUS ROG GU603, an 882 KB PDF classed as a schematic. A sequence chart shows the order in which rails and enable or power-good signals…

Power sequence sheet for the Sony MBX-165 board in its MS90 version, supplied as a short PDF.

Power sequence document for Apple logic board 820-01598, a 241 KB PDF. Apple uses the 820-xxxxx format for its logic board part numbers, printed on the PCB itself.

Topic 3 of a Spanish mobile repair course, giving an overview of workshop equipment in a 1.00 MB PDF. It is not tied to any device.

Schematic diagram for the Dell Inspiron 6400 and its sister model, the Inspiron 1505, packed in a 1.78 MB RAR archive.

PDF guide in Spanish on the power-on sequence of the Xiaomi Poco X3 Pro, covering stages one, two and three of startup.

General electronics repair guide in a large 35.4 MB PDF. The name is generic and does not tie it to any device, brand or board, so treat it as reference material rather…