Russian-language PDF on the marking of electronic components, as the transliterated title Markirovka elementov REA indicates, filed under schematics but really a general…

Soft start circuit schematic, saved as a 1.78 MB PDF; the note in the name indicates it was converted from another format.

PDF reference of about 794 KB for the HCF4047B, a CMOS 4000-series low-power monostable and astable multivibrator.

Spanish basic electronics guide, a general introduction rather than a schematic for any specific equipment. The name gives no device or board number.

PDF schematic for the Lenovo motherboard NM-A931, an LCFC board number, with no model or revision stated in the file name.

Schematic PDF of 265 KB with an uninformative numeric name, 0001534, offering no brand, model or board number.

PDF of 1.47 MB named slus702a, which follows Texas Instruments literature numbering, where SLUS documents usually cover power management parts and the trailing letter…

Datasheet material for the 2SB1037 transistor, delivered as a 122 KB PDF in the schematic category.

Reference PDF for the 2SA1923 transistor, 195 KB, catalogued as a schematic though nothing in the name beyond the part number indicates more than a datasheet.

PDF of 310 KB for the APL5930, an Anpec low-dropout linear regulator part; listed as a schematic, it is most likely the manufacturer datasheet.

Component placement drawing for the Apex AX 20 amplifier board, a 61 KB PDF. It shows where each resistor, capacitor, transistor and connector sits on the PCB, which…

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…

Schematic for the Biostar A78DD-M2T motherboard, packed as a PDF in a 910 KB RAR archive.

PDF document for the Intersil ISL95831, catalogued as a schematic but most likely the manufacturer datasheet for the part.

Reference PDF for the BQ24753A, a Texas Instruments charge controller part number commonly found on laptop motherboards, filed here at 2.06 MB.

PDF document covering the BQ24726, a Texas Instruments SMBus-controlled notebook battery charger IC.

PDF schematic titled X60, 1.83 MB, with no brand, board number or revision stated in the file name.

PDF document covering the Intersil ISL6259 battery charger controller, labelled as charging IC material.

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.

Schematic for the Huawei Mate 10 Lite smartphone, model code HL1RNEAL00M, delivered as a RAR archive.

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

First-revision schematic, Rev 1.0, for the MSI MS-V277 board, in PDF form inside a RAR archive slightly larger than the later versions.

PDF documentation for the Texas Instruments BQ24735 notebook battery charger controller, 1.48 MB, catalogued as a schematic.

Datasheet-style PDF, 201 KB, for the 2SB908 transistor. Japanese JIS numbering uses 2SB for PNP transistors intended for low-frequency service, which commonly means…

The 2SB906 transistor is the subject of this 196 KB PDF. Following JIS designation, 2SB parts are PNP bipolar transistors classed for low-frequency use.

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