Portuguese training course on motherboard repair, an 8.30 MB PDF. It is study material rather than a schematic of a particular board.

Training material for the EPC 1215B netbook based on the AMD Brazos platform, held as a PDF inside a 2.13 MB RAR archive.

Training material in PDF form covering an EPC 1215B netbook built on the AMD Brazos platform.

Training materials in PDF form for the EPC 1215B, a netbook built on the AMD Brazos platform, packed in a 2.13 MB RAR.

Sony training material in PDF describing the WAX2T LCD TV chassis. Training guides usually explain block diagrams, board functions, signal flow, power sequencing and…

Training course material on basic electronics repair, 7.26 MB PDF, catalogued with schematics although it is an educational guide rather than a board diagram.

Chip-level training document centred on the HP v2000 and dv1000 laptops, filed as a 1.06 MB PDF.

Hardware training manual for the Samsung GT-S6312, exported to a 4.55 MB PDF from a PowerPoint presentation, as the leftover title prefix shows.

Spanish PDF titled Microelectrónica, 4.14 MB, with no device, brand or board named. It is likely training or course material covering microelectronics topics such as…

Washing machine repair material, part 5 of the P. Mevada series, packed as a 470 KB PDF document.

Spanish-language PDF titled semiconductores, 2.49 MB, with no device or brand stated in the name.

Spanish academic PDF of 1.65 MB: annex 1 of a 2019 master's thesis (TFM, MUPES teacher-training programme) on technology teaching units for the fourth year of ESO…

Spanish-language PDF course on basic electronics for mobile phones, filed under schematics but in practice a training document rather than a diagram for one model.

Portuguese PDF on the main rails or networks of a smartphone, converted from another format, 253 KB, with no model or brand named.

Lesson nine of a Spanish phone-repair course on network unlocking and IMEI-based release, saved as a 619 KB PDF.

Short PDF of 101 KB about Ohm's law, in Portuguese and associated with BettineCell by its name, rather than a schematic of any specific device.

Second chapter of a Spanish course introducing cellular phones and their technology, saved as a 503 KB PDF.

Spanish training PDF on identifying the parts of a smartphone, describing the main components and modules found inside a typical handset.

Topic 4 of a Spanish mobile repair course, explaining how to identify the parts of a smartphone, as a 404 KB PDF identical in size to the unnumbered copy.

Spanish PDF guide on using a soldering iron (cautín), 495 KB, with no device or model involved. It is training material for basic hand soldering rather than a schematic.

Portuguese-language PDF guide whose title translates to How to Test Electronic Components, 620 KB in size.

English PDF titled basic electronics, 583 KB, not tied to any device or board. It is reference and training material rather than a service schematic.

PDF document of 16.8 MB filed under schematics, but its name only reads electronic and gives no device, brand, model or board number.

Spanish-language PDF from a master course in microelectronics, apparently part one of a series, about 904 KB.

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-language training document on intermediate microelectronics for mobile phones, filed under schematics but by its title a course text rather than a circuit…

Short Persian-language PDF guide, saved from a web page, about current-draw testing. That is the practice of reading the power-supply current a board pulls to diagnose…

Spanish PDF titled as a course topic with the abbreviation A.I., whose meaning is not clear from the name alone, so the content should be checked by opening it.

Persian-language PDF tutorial filed under schematics, its title explaining how to find a component's replacement or value from similar boards using schematics.

Spanish-language guide on analysing logic boards that are in short circuit, credited to Daniel Escalante in the file name.

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…