Quanta ZHKD schematic for the Acer Aspire ES1-131, UMA version with integrated graphics, revision 1A, in a 1.34 MB PDF.

Quanta AT1 notebook motherboard circuit diagram, revision RMV, in a PDF of roughly 1.27 MB, the third copy of this document in the index.

Compal LA-2392 circuit diagram at revision 0.1, provided as a PDF of about 1.01 MB. LA codes are Compal board identifiers found on the PCB silkscreen, and this older…

Schematic for the Sony VAIO VGN-CR series on board MBX-177A, built by Quanta as project GD1B, revision 2A, in a 1.43 MB PDF.

Sony mainboard schematic identified only by the code mbx247hk1 in the file name, which follows Sony's MBX board numbering, likely MBX-247.

Schematic for the Dell Inspiron 15 3511 laptop, board number LA-L241P, as a 3.19 MB PDF; no revision is stated in the name.

Schematic PDF for the ASUS GX502LXS motherboard, revision 2.1, a fairly large 14.8 MB document.

ECS schematic in PDF format for the C42IIx board, revision C. ECS (Elitegroup) is a board maker that builds laptop motherboards for other brands as well.

Schematic in PDF for an HP EliteBook laptop built on Compal board LA-4902P revision 1.0; the exact EliteBook model is not given in the name.

PDF for the CEP540N transistor, with the name noting 100 V and 36 A ratings, about 626 KB in size.

The name 3LP01S identifies this 28.1 KB PDF only by a component-style code with an S suffix; no laptop, board number or revision appears.

A 116 KB PDF associated with the 2SD2284 NPN transistor, a part numbered under the Japanese JIS standard, where 2SD denotes NPN low-frequency types.

The 2SD1907 is covered by this 165 KB PDF, which is catalogued as a schematic but by name is a component datasheet.

Covering the 2SK2910 transistor, this 150 KB PDF is listed in the schematic category but reads from its name as a component datasheet.

A 140 KB PDF named after the semiconductor 2SJ563, listed in the index under schematics.

Filed as a schematic, this 93.5 KB PDF is identified solely by 2SJ274. The Japanese JIS 2SJ prefix stands for a P-channel field-effect transistor, so the content is most…

Named after the JIS part number 2SJ267, this 91.8 KB PDF most likely documents a P-channel field-effect transistor, since the 2SJ prefix denotes that device class.

Indexed as a schematic, this 79.2 KB PDF is named 2SC4400 and should be the reference datasheet for that NPN bipolar transistor.

The 2SC4121 part number is the whole name of this 89.5 KB PDF; although typed as a schematic, it should be the datasheet for that NPN bipolar transistor, as the Japanese…

The 2SC5777 is covered by this small 29.9 KB PDF, catalogued as a schematic but most likely a single-part datasheet.

PDF, 52.3 KB, documenting the 2SA1177, a PNP bipolar transistor in the JIS 2SA numbering scheme.

The 2SA1734 is the subject of this 183 KB PDF, which carries only the component number in its name.

A small 26.9 KB PDF in the schematic category, named only with the part number 2N6519 from the JEDEC 2N registration series.

A compact 75.6 KB PDF indexed as a schematic but named 31DQ09, a code that looks like a rectifier diode part number, not a motherboard.

Part-number-style PDF, 176 KB, labelled 27lc040 and listed here as a schematic. The pattern matches the 27-series UV or OTP EPROM family, with LC typically denoting a…

Covering the 25AA320, 25LC320 and 25C320, this 383 KB PDF is listed as a schematic but is in practice the datasheet for a Microchip family of 32 Kbit SPI serial EEPROMs.

A 140 KB PDF on the 24Cxx serial EEPROM family, with the trailing 3 in the name not explained by the file name itself.

Filed under schematics at 212 KB, the PDF named 20ETF-S gives no device, board or revision details.

Wistron schematic package for the Hellcat 15 Upsell design, project or board number 19828, provided as a 5.78 MB RAR holding the PDF.

Schematic in PDF form labelled CADIZ-CP, which appears to be a board or project code name; no brand, model or revision is stated in the name.

Schematic PDF for the Dell Inspiron N5110 laptop, 1.45 MB; the (1) suffix suggests a duplicate copy, and no board number or revision appears in the name.

PDF document filed under schematics, titled only as unit two in Spanish (unidad 2), which suggests a chapter of a repair or electronics course rather than a board…

Spanish training PDF on identifying the parts of a smartphone, describing the main components and modules found inside a typical handset.

Spanish-language course document on Android devices, supplied as a 424 KB PDF and filed under schematics although the title points to training material rather than a…

Compressed schematic set named A405F, a code consistent with Samsung's SM-A405F phone model, packed as a 958 KB zip.

A 2.78 MB PDF schematic page dedicated to the SD card section of the Samsung SM-A23. It shows the memory card socket, its data, clock and command lines, card-detect…

Handsfree and headset audio schematic for the Samsung SM-A23, contained in a 2.78 MB PDF.

Backlight circuit schematic for the Samsung SM-A21s, a 3.82 MB PDF. It covers the LCD light section, typically the backlight driver, its boost inductor and diode, and…

Lenovo laptop schematic for board NM-A931, a 2.56 MB PDF. The name gives no model or revision, so identify the target machine by the board number.