Spanish manual on unlocking, releasing and flashing mobile phones, a 3.27 MB PDF. No brand, model or tool is named in the title, so expect general procedures covering…

Beginner guide in Spanish for choosing the correct Samsung firmware, a 304 KB PDF. It likely explains how to read the model code, region or CSC, and the bootloader…

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…

Class four of a Spanish course, covering LCD replacement and remanufacturing, supplied as a 4.68 MB PDF.

Spanish document about coils, the file name meaning inductors, a 1.17 MB PDF. No device or board is mentioned, so it is general material on how inductors work, how they…

Spanish reference on SMD coils or inductors, a 273 KB PDF covering surface-mount types found on modern boards. The name gives no device.

Basic electronics primer in English, a 2.66 MB PDF catalogued with schematics though it is a learning text rather than a circuit for a product. No device is named.

Spanish document on the logic or control area of a mobile phone board, a 252 KB PDF. Typical phone repair courses divide the board into sections, and the logic area…

Learning to repair from scratch, a Spanish beginner manual in a 3.93 MB PDF. No device, brand or board is specified, so expect a general introduction to tools…

Spanish notes on basic electronics, a 591 KB PDF. The name mentions no device, board or brand, so it serves as study material on fundamentals such as electrical…

Spanish repair training document titled learning to repair, a 4.09 MB PDF and a different file from the similarly named from-scratch course.

Learn Arduino, a Spanish guide in a 5.69 MB PDF focused on the Arduino microcontroller platform rather than repair of a specific device.

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

Portuguese-language handout on basic electronics, filed under schematics although the name points to a study booklet rather than a circuit diagram of a specific device.

Portuguese-language handout on basic electronics, filed under schematics although the name points to a study booklet rather than a circuit diagram of a specific device.

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

Portuguese fault-analysis document for the J700, which by naming convention is most likely a Samsung Galaxy J7 handset, although no brand is stated.

Short Spanish reference sheet explaining the acronyms and letter codes found on electronic diagrams, saved as a 27.7 KB PDF.

Training PDF about SMD surface-mount components, numbered 31 in what looks like a course series, about 998 KB in size.

Samsung SM-G532F schematic section, labelled as part 07 in the file name, delivered as an 847 KB PDF.

Spanish-language PDF offering ten tips for a technician who is developing their skills, about 152 KB.

Chapter six of a Spanish mobile-phone repair course covering disassembly and identification of parts, with the number 720 in the title, which may refer to a handset…

Fourth chapter of a Spanish cellular-phone course, dealing with cloning or unlocking, saved as an 863 KB PDF.

Chapter three of a Spanish mobile-phone training series, explaining how a phone works, as a 1.75 MB PDF.

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

PDF document of 1.29 MB whose numeric file name gives no hint of the device, board number or content, although it is catalogued as a schematic.

First chapter of a Spanish course on cellular telephony, a 1.95 MB PDF filed under schematics but evidently a training lesson. It names no device or board number.

Guide to the charging process of the Samsung Galaxy A10, provided as a 1.05 MB PDF. It likely illustrates the path from the USB connector through the charging IC and…

Small 21.8 KB PDF titled as a dock test diagram, with no device model, brand or board number stated in the name.

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

Spanish guide on using the multimeter, a 262 KB PDF catalogued as a schematic but serving as basic training. No device or board number is stated.

Large 21.0 MB PDF whose numeric file name reveals nothing about the device, model or board number, though it is listed as a schematic.

Full schematic set for the Apple iPad mini 2 logic board in a compact 879 KB PDF. Technicians rely on it to trace power rails, follow signal paths between the SoC, PMU…

Schematic for the Apple iPad Air 2 main logic board, a 10.6 MB PDF that originated from a Vietnamese repair site.

Small 183 KB PDF for the Apple iPad 3, whose name suggests top and bottom views of the board, so it likely functions more as a component placement map than a full…

Diagram document for the Apple iPad 3, in a 1.50 MB PDF. The generic name offers no board number or revision, so check the title blocks for the logic board identifier.

Small 65.7 KB PDF for the Apple iPad 2 that, judging by the name, contains layout information rather than full circuit diagrams.