Spanish course chapter numbered topic 7, dealing with diagnosis and repair of software faults in mobile phones; the 541 KB PDF matches the unnumbered copy of the same…

Topic 6 of a Spanish smartphone repair course, focused on diagnosing and solving hardware faults, in a 308 KB PDF. No model or board number is stated.

Spanish PDF numbered topic 5 on disassembling mobile terminals, roughly 954 KB, part of a phone repair training series. It does not name a specific 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 course section 3.6 about the professional soldering station, part of a chapter on workshop equipment, in a 320 KB PDF. No specific product model is named.

Section 3.5 of a Spanish repair course on the ultrasonic cleaning tank, a 395 KB PDF within the workshop equipment chapter. No device model is given.

Spanish course section 3.4 on the microscope, a brief 114 KB PDF from the workshop equipment chapter of a mobile repair series. No microscope brand or model is stated.

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.

Section 3.2 of a Spanish repair course dealing with the bench power supply, a 244 KB PDF. No specific supply model is named.

Spanish course section 3.1 on the multimeter, provided as a 526 KB PDF within the workshop equipment chapter. No meter model is mentioned.

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.

Topic 2 of a Spanish smartphone repair course, covering basic electronics, as an 817 KB PDF that appears to duplicate the unnumbered copy. No device or board is named.

Opening topic 1 of a Spanish course on mobile telephony fundamentals, a 343 KB PDF. No phone model or brand appears in the name.

Spanish electronics course PDF focused on tablets, about 2.73 MB, filed under schematics though it reads as training material.

Spanish multimeter table in PDF form, 171 KB, apparently a quick reference chart rather than a schematic for any device.

Spanish PDF on solving power-on problems, a short 183 KB guide with no device, brand or board number given.

Samsung SM-J400M (Galaxy J4) document marked EPLIS, supplied as a 358 KB PDF. In Samsung service material EPLIS usually refers to the electrical parts list section, so…

Service guide for the Samsung SM-G532F (Galaxy J2 Prime), revision 2.8, in a 2.98 MB PDF.

EPLIS document for the Samsung SM-A715F (Galaxy A71), a compact 203 KB PDF with an 11 suffix in the name, possibly a section or version number.

Level 3 repair section for the Samsung GT-N5100 Galaxy Note 8.0 tablet, numbered chapter 08 and covering block diagrams and PCB diagrams, in a 2.17 MB PDF.

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

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

Schematic diagram for the Motorola XT1802, delivered as a 3.40 MB PDF. A phone schematic lets a technician follow power rails from the PMIC, trace charging, USB, display…

Generic schematic PDF of 953 KB whose name gives no model, brand or board number, so the device it covers can only be identified by opening it and reading the title…

Exploded view chapter, section 04-1, of the Samsung GT-N5100 Galaxy Note 8.0 service manual, a 259 KB PDF.

Main electrical parts list, chapter 05, from the Samsung GT-N5100 Galaxy Note 8.0 service documentation, a small 40.6 KB PDF.

Small 51.2 KB PDF named for the Redmi K30 Pro (spelled Remi in the name), with no board number or revision given.

Schematic diagram for the Xiaomi Redmi Note 8, identified in the name by the project code LLDM516, in a 994 KB PDF.

Schematic diagram for the Samsung Galaxy J7 Neo SM-J701M, packaged as a 1.32 MB PDF. It lets a technician trace the battery and charging circuit, PMIC outputs, display…

Portuguese-language PDF of 351 KB whose title is a story about a woman who broke her phone screen and turned the idea into a business.

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

Spanish-language guide titled Principales fallas en celulares, the main faults in mobile phones, a 1.34 MB PDF not tied to a specific model or brand.

Spanish PDF describing the charging process of the J700M, which matches the Samsung Galaxy J7 model code, 976 KB in size.

Spanish PDF on powering on a Chestnut without a screen, 1.46 MB. Chestnut is commonly used as the code name for the Xiaomi Redmi 2 Prime, though the name itself names no…

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

PCB layout PDF of 2.57 MB with no model, brand or board number in the name, so identify the device from the title block or silkscreen markings inside.

Part list PDF, 52.1 KB, whose generic name gives no device, brand or board number. A parts list maps location designators to part numbers, values and descriptions…

PDF of 699 KB carrying the uninformative name null, so nothing about the device, brand or board can be learned without opening it.

Short Spanish PDF on schematic nomenclature, 21.2 KB, not tied to any device. It likely explains the designator prefixes and symbols used in diagrams, such as R for…

Guide on the multimeter, apparently translated from Portuguese to Spanish judging by the name, 1.48 MB PDF.