Nokia E7 schematic diagrams in a 5.87 MB PDF, covering the slider communicator with its hardware keyboard.

Circuit diagram for the ThinkPad T43, supplied as a 1.68 MB PDF. The file name carries no board number or revision, so the exact design version has to be confirmed…

Schematic archive catalogued under Samsung and named only A12, presumably the Galaxy A12 handset, though the name does not confirm the variant.

PDF document of 132 KB for the HCF4093, the ST version of the 4093 quad two-input NAND gate with Schmitt-trigger inputs.

Document for the BA7075, a ROHM integrated circuit, provided as a 158 KB PDF and filed as a schematic.

PDF reference for the 2SD1852, a 2SD-series NPN bipolar transistor, about 96.5 KB and more likely a component datasheet than a circuit diagram.

Reference document for the 2SK2679, a 393 KB PDF in the schematic category. The 2SK prefix is the Japanese JIS registration for N-channel field-effect transistors, so…

The 2SD1212 is the subject of this 120 KB PDF, filed as a schematic. Based on the Japanese JIS numbering, 2SD marks an NPN transistor meant for low-frequency circuits…

The 2sc4725 is the subject of this 56.8 KB PDF, categorised as a schematic. Since 2SC is the JIS designation for NPN bipolar transistors, the document is most probably…

PDF of 171 KB for the 2SC5199, the same size as several neighbouring 2SC519x entries, which hints at a shared document format or a combined sheet.

Indexed under schematics, the 116 KB PDF named 2SC5155 refers to a discrete semiconductor rather than a whole board.

Short 88.9 KB PDF carrying the transistor number 2SC4217, filed among schematics. JEITA assigns the 2SC prefix to NPN bipolar transistors, so this should be a datasheet…

PDF reference of 87.0 KB for the 2SC3820. The 2SC prefix is the Japanese JIS designation for NPN bipolar transistors, so despite the schematic label this is most likely…

Transistor number 2SC4824 is all the name of this 141 KB PDF reveals; the index places it among schematics.

Reference sheet for the 2SC4805 NPN transistor, stored as a compact PDF of about 40 KB with an _E suffix that probably indicates an English edition.

A 260 KB PDF dedicated to the 2SC5376, an NPN bipolar transistor in the Japanese 2SC series.

Component documentation for the 2SC3669 in PDF format, 192 KB in size. The 2SC prefix in Japanese JIS numbering indicates an NPN bipolar transistor, and the bare…

Part number 2SC3449 names this 113 KB PDF, filed under the schematic type. In the Japanese semiconductor registry the 2SC prefix covers NPN bipolar transistors, so this…

Catalogued as a schematic, this 149 KB PDF is labelled just 2SC3416, a JIS designation in which 2SC marks an NPN bipolar transistor.

Part-number document for the 2SC2236, stored as a 178 KB PDF under the schematic category.

At 95.1 KB this is one of the larger files in the set, a PDF named after the 2SB1205 transistor and indexed as a schematic, though it is presumably the datasheet.

PDF reference of 182 KB for the 2SA1431 semiconductor. Following JIS rules, 2SA part numbers are PNP transistors, formally classed for high-frequency use.

Datasheet-style PDF, 37.4 KB, for the component numbered 2SA2043. In JIS semiconductor naming the 2SA prefix designates a PNP bipolar transistor, and nothing else about…

Filed as a schematic, this 138 KB PDF bears only the 2SA1204 part number, so it most likely contains the manufacturer datasheet.

Component documentation for the 2N7222, a 227 KB PDF filed under schematics; the 2N prefix indicates a registered discrete semiconductor, so expect a datasheet rather…

Datasheet-style PDF for the 2N5089, listed in the schematic category at 97.4 KB. The name gives just the JEDEC part number, with no maker or revision stated.

Small 45.8 KB PDF dedicated to the 2N3866, sorted into the schematic section of the index though the name indicates a discrete component datasheet.

This 47.8 KB PDF is labelled 1T379 and catalogued as a schematic. No device model, manufacturer or revision appears in the name.

The 1SV287 part is covered by this 75.6 KB PDF, filed under schematics. Its 1SV numbering identifies a varactor diode, so the content is most likely a datasheet rather…

Catalogued under schematics, this 123 KB PDF is named 80CPT015, a part code in International Rectifier style that most likely refers to a Schottky rectifier datasheet…

Circuit schematic for the Dell Vostro 3300 laptop, a 1.05 MB PDF. No board number or revision is given in the file name, so read the title pages to identify which ODM…

PDF schematic, 950 KB, named only U6V. The name gives no brand, board number or revision, so confirm what it covers from the document title block.

Schematic in PDF format, 847 KB, identified only as M750 with no brand, device or revision stated in the name.

PDF schematic named 45IIX, 1.12 MB, with no brand or board revision given. The token may refer to a motherboard or chipset family, but that cannot be confirmed from the…

Spanish microelectronics course in PDF form, 4.14 MB, without any specific device, brand or board named.

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

PDF circuit diagram for the Quanta-made motherboard DAZ8EMB18A0, revision A, the final letter of the board code.

Schematic in PDF for the Quanta board DAZ8VMB18D0, revision D. Quanta board numbers start with DA and end with a revision letter, which here is D.

Schematic in PDF, archived as RAR, for the Acer Predator PT515 on a Wistron board with project name GHIBLI, number 18803-2, Coffee Lake platform (CFL).

Quanta schematic for the ZM3 project, board DA0ZM3MB8D0 at revision 3A, in PDF form. Quanta board numbers start with DA0 followed by the project code and MB, and the…