Schematic diagrams for the Samsung SM-A510FD, the dual-SIM variant code, in a 1.54 MB PDF.

Diagram document for the Apple iPhone SE in PDF format, 2.10 MB in size; the name calls it a diagram and gives no board number or revision.

Service manual for the Fly Z400 handset, a small 227 KB PDF. Given its size, it probably holds a limited set of pages, such as disassembly notes, block diagrams, part…

iPhone X schematic in PDF format, 1.23 MB, tagged with a contributor handle in the name.

Unidentified schematic of about 1003 KB, its name holding only a group tag with no model or board number.

Quanta schematic for the Lenovo IdeaPad U410, project LZ8, revision 1A, board number DA0LZ8MB8E0.

Gigabyte GA-H61M-S2-B3 schematic, revision 1.0, in PDF format at about 790 KB. The H61 micro-ATX board is drawn sheet by sheet, which lets a technician follow power…

Sony VAIO SVE15 schematic for mainboard MBX-266, supplied as a 1.15 MB PDF. MBX numbers are Sony's own board designations, so check the code printed on the PCB to…

Schematic document for the Sony VAIO VGN-AR71MR notebook, supplied as a 1.17 MB PDF. No motherboard MBX number or revision appears in the name, so compare the board code…

Second part of the Nokia N95 schematics, a 2.04 MB PDF; the number in the name implies the full set is split into several files, so locate the remaining parts for…

Circuit diagrams for the Nokia E70, the fold-out keyboard handset, in a 1.80 MB PDF file.

Nokia 3250 schematic, version 1.0 according to the name, provided as a 754 KB PDF. This handset is known for its twisting keypad section, and the diagrams help follow…

Nokia 2626 circuit schematics supplied as a 789 KB PDF. No revision or product code appears in the name, so verify that components on the board align with the drawings…

Schematic of the IBM ThinkPad R32 laptop, provided as a 1.18 MB PDF. The name carries only the model, with no board number or revision noted.

PDF schematic for the IBM ThinkPad X61, 1.42 MB, with no board number or revision stated in the name.

PDF schematic named only ME4812, 852 KB, with no brand, model or revision information. The code could be a board or project identifier, but the name alone cannot confirm…

Laptop schematic labelled Z94RP, revision 1.2, supplied as a 2.50 MB PDF. The name gives no brand or board number beyond this project code, so confirm the details on the…

Schematic for the UL50AT, a 1.23 MB PDF whose name states only this model code, without brand, board number or revision.

Schematic for the Toshiba Satellite A135-S2686, built by Compal; the name ends at the LA prefix and does not give the full board number.

Repair guide for the ASUS K45DR, with the XY1 project code and board number DA0XY1MB6E0 in the name.

Schematic in PDF titled only N5110, 1.45 MB, with no brand, board number or revision given in the name.

Repair document for the ASUS X550CC notebook, provided as a 955 KB PDF and listed as a schematic.

Schematic in PDF form for an Acer laptop on the Quanta ZGR board, DAZGRMB2AC0, 4.88 MB in size.

PDF for the 2SC1172, 74.4 KB, listed among schematics with no further detail in its name.

Reference document for the 2SD2249, a part in the JIS 2SD family of NPN low-frequency bipolar transistors, saved as a 45.3 KB PDF.

Reference sheet in PDF form, 141 KB, for the 2SD2198 transistor. The file is indexed as a schematic but is most likely a datasheet.

Small PDF of 92.1 KB filed under schematics, though its name is simply the part number 2SD1998, so it is almost certainly a component datasheet rather than a board…

Filed under schematics, the 39.8 KB PDF 2SD2441 with an E tag refers by its JIS-style 2SD prefix to an NPN bipolar transistor.

Small 45.6 KB PDF named 2SD1902, a Japanese standard transistor number; despite the schematic label it is most probably a short datasheet.

A 365 KB PDF for the 2SK2859, filed under the schematic type though it is most probably a manufacturer datasheet. Nothing other than the part number appears in the name.

PDF of about 295 KB for the 2SK1827. In JIS part numbering, 2SK stands for an N-channel FET, so the content should be a datasheet rather than a board-level drawing.

Reference sheet for the 2SK1109, with the name indicating the UTC (Unisonic Technologies) version of the part.

Nothing beyond the code 2SJ272 is given in the name of this 92.3 KB PDF. Japanese JIS numbering assigns the 2SJ prefix to P-channel field-effect transistors, so the…

A 177 KB PDF describing the 2SC4689, placed in the schematic category of the catalogue.

Part-number reference for the 2SC4433 in PDF form, about 71.5 KB. The name gives no board or device, only the JIS designation, where 2SC denotes an NPN bipolar…

Compact 125 KB PDF for the 2SC5091FT, an NPN bipolar transistor numbered under the Japanese 2SC scheme, with the FT suffix as part of the name; its exact meaning is not…

Part reference for the 2SC4987, provided as a 110 KB PDF and filed under schematics. No model, board or revision is stated in the name.

Datasheet-type PDF for the 2SC4787, a JIS-numbered NPN transistor, filed in the schematic category.

Compact 102 KB PDF for the 2SC3090 transistor, indexed under schematics. The name carries no detail beyond the part code.

A 41.1 KB PDF titled with the part number 2SC1980 and an _E suffix, catalogued among schematics.