Schematic for an Inventec board, project RKY15DN, part number 6050A2412601-MB-A02, with 1228 likely a date code. The PDF is supplied in a 171 KB RAR.

Schematic PDF for project QAL30 with the board reference LA8061, R10, plus a r0.1 tag and a 0229 date code.

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.

Texas Instruments BQ24765 charge controller datasheet, 1.54 MB PDF, listed in the schematic category.

Peavey transistor cross-reference sheet in a compact 96.6 KB PDF. Peavey amplifiers often use in-house part numbers on semiconductors, and a cross list like this maps…

Scanned book titled Programming Microprocessors by W. M. McMurran, dated 1977, provided as a 13.4 MB PDF.

Schematic PDF of 50.8 KB with a generic messaging-app style name that gives a date-like code but no model, brand or board detail.

Persian-language PDF whose title translates roughly as how to test electronic components.

Schematic for the Quanta FH2A project, revision 1A, dated 2010-07-26, provided as a PDF in a 1.45 MB RAR archive.

Schematic for the Lenovo C240 all-in-one, project VBA20, Compal board LA-9303P, with the date 20120810 in the name, delivered as a PDF inside a RAR archive.

Schematic for the Dell Inspiron 15 3541, referencing Wistron board 13283, in a 1.39 MB PDF.

Schematic PDF for the G501JW laptop mainboard, 1.30 MB, tagged RG as on ASUS repair guide schematics, with no revision in the name.

Circuit diagram for the MS-7363L2 motherboard, revision 0A, a 962 KB PDF. The 0130-1733 segment in the name appears to be a date and time stamp.

Schematic for the HP 15-ab027tx laptop built on Quanta X11, board number DAX11AMB6D0, revision 1a, with the date 01052015 in the name, making it an earlier release than…

Schematic PDF titled with the G71 project code, a 6L token most likely referring to a six-layer PCB, and a 121311 date stamp.

PDF titled in Spanish as a software course, catalogued under schematics but almost certainly training material rather than a circuit diagram.

Large PDF of 38.6 MB named only by a date, 18 May 2020, and the abbreviation BOM, meaning bill of materials; no device, brand or board number is stated.

Basic electronics course in PDF form attributed to Humphrey Kimathi, 4.45 MB, filed under schematics but in practice a learning text.

HP EliteBook 2560p circuit diagram, Styx MV build dated 2011-04-15, with the number 1310A2400201 shown in the name.

Russian-language PDF reference on the main dimensions of SMD components, as the transliterated title says, rather than a schematic for any particular device.

Technical document for the Nuvoton NCT6776F Super I/O controller, a 3.75 MB PDF that, despite being catalogued as a schematic, is most likely the chip datasheet.

Quanta FM9B schematic, D3A revision, for a UMA build, meaning integrated graphics with no discrete GPU.

PDF reference of 66.9 KB for the KA7500C, a pulse-width-modulation controller from the KA7500 family, compatible with the classic TL494 design.

PDF for the IRF540 MOSFET, and the name indicates the datasheet comes from Philips. Although listed under schematics, the 91.6 KB file is a component sheet with ratings…

Small 67.8 KB PDF for the 2SD1854, a part number in the Japanese 2SD series of NPN bipolar transistors, so it is really a datasheet rather than a full schematic.

Datasheet for the 2SD2258 NPN bipolar transistor, supplied as a 56.8 KB PDF and filed under schematics.

A compact 44.3 KB PDF describing the 2SD602 transistor, indexed as a schematic though its content is component data. An _E suffix appears in the name as an edition tag.

Single PDF of 40.8 KB for the 2SD2216, listed as a schematic but most likely a component datasheet, since the name is a part number rather than a board.

Component reference for the 2SD2635, a 35.2 KB PDF listed among schematics. The file name offers only the part number, with no manufacturer or revision given.

Covering the 2SD1817, this 75.8 KB PDF is indexed as a schematic but by name is a component datasheet. No maker or revision is indicated.

The 2SD2598 transistor is covered in this 59.3 KB PDF, whose name ends in an _E suffix.

The 5LN02N part is covered by this 41.5 KB PDF, indexed as a schematic but most likely a component datasheet.

Part datasheet for 5HP01SP, a 27.5 KB PDF. The name carries no model, brand or board number, only the device code with an SP suffix that likely identifies its package.

A 41 KB PDF covering the part coded 5HN02SP, listed with schematics but naming only a component. SP is most likely the package designation in the 5HN02 series.

Filed as a schematic, this 53 KB PDF is named after the 2SD1725 part number, so it is most likely a component datasheet rather than a board diagram.

For the 2SD2098 transistor, this 159 KB PDF is categorised as a schematic but follows the usual naming of a part datasheet.

A compact 49.9 KB PDF for the 2SD2074, with an _E suffix in the name that is not explained and could indicate a language edition or document revision.

Labelled 2SD1997, this 86.1 KB PDF is indexed as a schematic, yet a bare transistor part number points to a manufacturer datasheet.

At just 33.5 KB, this PDF for the 2SD1623 is a short document listed as a schematic, though the part-number name suggests a compact datasheet.

Datasheet-style PDF for the 2SD1423, 41.0 KB, stored as a schematic; the trailing _E in the name is not explained by the file itself.