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.

PDF datasheet, 94.9 KB, known only by its literature code SDNS017C, with a suffix letter that normally denotes document revision.

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.

Datasheet PDF of 351 KB with a name, SDLS180, that is only a document code. Texas Instruments uses this SDLS literature numbering for its standard logic family…

PDF reference for the SN7405N, a hex inverter from the 7400 TTL family with open-collector outputs, supplied in plastic DIP.

Datasheet for the SFH506 infrared receiver module, a 179 KB PDF, likely a near-identical copy or edition of the series sheet that carries the _xx suffix.

PDF document filed under the Texas Instruments literature number SDLS109, part of the older TTL logic datasheet series.

Boardview with PDF content for a board labelled TR718D V14-T, contained in a 352 KB RAR archive.

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

PDF datasheet carrying the Texas Instruments literature code SDLS116, from the numbering block TI uses for its classic bipolar TTL logic families.

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.

RAR archive of 1.25 MB holding a repair guide for the ASUS X555LD notebook. Such guides usually describe the standby and main power rails, the order in which they should…

Power sequence document for the JM5B mainboard, a project code in the Quanta style, packed in a 114 KB RAR archive.

Power sequence material for the Quanta JM3 platform, revision 0.2, packed in a compact 571 KB RAR archive.

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.

Power-sequence document for the Gigabyte GA-B150M-HD3 DDR3 motherboard, delivered as a 548 KB 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…