Samsung F731U schematic, packed as a ZIP of about 3.43 MB; F731U is the US version of the Galaxy Z Flip5. The name carries no revision information.

Spanish PDF, 474 KB, titled CDMA and FSK and numbered 5, apparently a chapter in a communications course.

English PDF on testing electronic components, filed under schematics but in practice a general reference rather than a circuit diagram for a particular board.

Topic 8 of a Spanish mobile repair course, covering backup, root and recovery on smartphones, supplied as a 306 KB PDF. No specific device is named.

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 introductory study material on digital electronics, the first part of a course series judging by the numbering in the name.

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

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

ZIP archive of 1.98 MB with a generic name that gives no device, brand or board number; it is catalogued as schematic material and presumably holds one or more PDF…

Cellular network section of the Samsung Galaxy A02s (SM-A02S) schematic in PDF format, 3.70 MB.

Service manual in PDF, 2.16 MB, with only the suffix SA in its name, so the device, brand and model cannot be determined from the title alone.

Schematic in PDF format named only A, giving no indication of the device, brand or board it covers.

Electrical part list in a 354 KB PDF; the generic name does not say which device or brand it covers, so check the header inside.

PDF document for the CS8573E from Chipstar Micro-electronics, catalogued as a schematic but most likely the component datasheet or reference design.

Schematic in PDF form, 420 KB, named only SEM2105, which does not state the brand, device or revision, so the target hardware has to be confirmed by opening the…

PDF of 187 KB carrying only the name Richtek, a maker of power management ICs such as PWM controllers, buck regulators and charger chips common on laptop and desktop…

Schematic in PDF format, 1.26 MB, whose name is a random string that identifies neither the device, the brand nor the board number.

Electrical part list for the Samsung SM-A325M, a 421 KB PDF from the service manual. It catalogues the electrical components used on the device with Samsung part codes…

Schematic archive in PDF form for an OPPO smartphone with the model code 1105. The RG token in the name is not explained, so check the contents before relying on it.

PDF schematic for the board numbered X910513-008, delivered in a RAR archive of roughly 2.4 MB.

Small PDF schematic of 267 KB whose name gives only MK6200_B, most likely a model or board code with revision B, but no brand or device type is stated.

Schematic labelled SENUSA 3, a 5.87 MB PDF, apparently a later version of the SENUSA design that also appears as revision 2.

Service schematic for the Bose AM15P, as named in the file, likely an amplifier or powered bass module from an Acoustimass-type speaker system.

SMD marking code reference in PDF form, 11.4 MB. Books of this type list the short codes printed on surface-mount transistors, diodes, regulators and other small…

Generic PDF named only as an update, 1.35 MB in size, with no model, brand or board number given.

Samsung service guide for the SM-A115U handset (Galaxy A11 family), revision 1.0, provided as a PDF in a 3.14 MB RAR. The U and F tokens are not explained by the name.

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.

PDF document labelled dt8211_188, about 1.39 MB and filed as a schematic, apparently related to the DT8211 device with 188 as a version or variant code whose meaning the…

A PDF catalogued as a schematic but named only Troubleshooting, so the device, brand and board number cannot be identified from the name.

PDF schematic of 1.16 MB for a device named A3000. The name gives no brand, board number or revision, so confirm the model against the hardware before relying on part…

Schematic labelled A102D, stored in a 2.82 MB RAR; the name gives no brand or further board detail, so the exact device should be confirmed against the PCB markings.

PDF schematic for a Quanta-designed board with code LE6 and number DA0LE6MB6F0, in a 699 KB RAR archive.

Schematics for model A260G, delivered in a 7.70 MB RAR archive, with no brand given in the name.

PDF schematic for the Wistron Ironbox2 project, board number 16531 at revision r1, 2.33 MB in size.

PDF of 2.50 MB titled in Spanish as assorted jumpers, a collection of jumper and bypass solutions rather than a single device schematic. No brand or model is named.

Schematics for the Huawei Ascend Y600, model Y600-U00, in a 2.07 MB zip. The pages should cover the power management IC, charging circuit, battery connector, display…

PDF schematic for a laptop motherboard numbered LA-8241P, a board number in Compal's LA-xxxxP format.

Battery compatibility list in Spanish, a small 88.5 KB PDF that likely matches phone batteries interchangeable between models.