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.

Component reference for the 2SD1993, a 45.5 KB PDF listed among schematics. Following Japanese JIS part numbering, 2SD identifies an NPN bipolar transistor of the…

Covering the 2sk2580, this 34.5 KB PDF is labelled a schematic yet identifies only a semiconductor part, pointing to a short datasheet.

Compact 79.7 KB PDF for the 2SJ413, indexed under schematics but by its number a single-component datasheet.

Named after the transistor type 2SC4646, this 148 KB PDF most likely contains the part datasheet. No board, model or revision is mentioned.

A 51.7 KB PDF for the 2SC4208, with an _E suffix in the name whose meaning is not stated; it could mark an edition or language version, but that is unconfirmed.

The name of this 156 KB PDF is just the part number 2SC4134, so despite its schematic label it should be the datasheet for that transistor.

Datasheet PDF for the 2SC5537 transistor, 32.5 KB, catalogued with schematics. In the JIS scheme 2SC denotes an NPN bipolar part, so this is component data rather than a…

For the 2SC5534 transistor, this 44.8 KB PDF sits in the schematic category but, going by the JIS 2SC code for NPN bipolar devices, is the part datasheet.

Here is a 49.4 KB PDF for part 2SC4067, placed under schematics but named like a manufacturer datasheet.

Component reference in PDF form for the 2SC4002, 77.6 KB, filed in the schematic category.

PDF documentation for the 2SC3929 transistor, 54.1 KB, suffixed _E and filed under schematics.

Transistor datasheet for the 2SC3474, supplied as a 303 KB PDF and filed under schematics.

Reference PDF, 88.0 KB, for the 2SA1582 transistor. The file name states only the part number and nothing about the maker, package or application.

Datasheet PDF of 42.2 KB for the 2SA1883, identified only by its part number. Japanese JIS numbering uses 2SA for PNP bipolar transistors, so the content describes a…

Datasheet for the 2N7053 in a 314 KB PDF, categorized with schematics. The size matches that of the 2N7052 file and both may come from a shared family document, though…

Datasheet for the 2N2222A transistor, a 53.4 KB PDF whose name carries a Phi tag, most likely identifying the manufacturer edition.

A 47.1 KB PDF covering the 1T365 transistor, placed in the schematic category of the index.

PDF data sheet of 47.6 KB for the 1T411 transistor, filed in the schematic category. Following the Soviet designation scheme, the 1T prefix denotes a germanium…

Series datasheet for the 1N5221 to 1N5281 zener range, a compact 35.5 KB PDF filed as a schematic.

PDF with diode mode measurements for the A30, presumably the Samsung Galaxy A30, though the name does not name the brand.

Laptop schematic collection for the Sony VAIO VGN-FS series, with the xxxx standing in for the individual model variants, in a 1.15 MB RAR.

Schematic in PDF form for the Quanta LG9 board, DA0LG9MB6E0, revision 1A, packed in a 2 MB RAR.

PCB layout PDF for the Samsung Galaxy A01 Core, model SM-A013F, size 483 KB. Layout drawings show where components, connectors and test points sit on the main board.

Apple logic board schematic for board 820-02016, revision 07, in a 6.52 MB PDF. The name itself gives only the board number, which follows Apple's 820- numbering for…

Service schematic in PDF form, 5.81 MB, for the Shivaki STV-19LED3 LED television built on the MSI MS18VG.62B chassis. MS-18VG follows MSI's board numbering.

Troubleshooting guide in PDF for the Samsung SM-A115 smartphone, archived as a 4.14 MB RAR.

Repair pack for the Lenovo A7000 smartphone containing a schematic diagram and service manual in a 917 KB RAR archive. No board number or revision appears in the name.

Nineteenth issue of the Spanish series El mundo de la electronica, a 1.70 MB PDF aimed at learning electronics.

Schematic for the Acer mainboard DAZ8VMB18D0, revision D, from Quanta's Z8V project. The DA0 plus project code plus MB pattern is Quanta's board numbering, and the…

Schematic PDF of 1.60 MB named n91_mv_d3h_0322. The tokens are cryptic: n91 looks like a project code, d3h may refer to a DDR3 configuration and 0322 likely a date…

RAR archive of schematics for a device named A200, 907 KB, with no brand or board revision given in the name.

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

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.

Duplicate copy of the Quanta CT3 board schematic, revision R2A, a PDF of about 1.16 MB.

Fifth copy of the Quanta AT3 board schematic, revision R1A, a 1.26 MB PDF matching the other AT3 files in size.

PDF of measurement reference values, written in Portuguese, for the Motorola Moto G6 Play, model XT1922.

Component location document in PDF form for the Apple MacBook logic board 820-01598, packed into a 3.35 MB RAR.

Wistron-made schematic in PDF form for the Lenovo V130-15IKB laptop, with board project LV315KB and design number 17807 together with its sub-sheets 17807-1, 17807-2 and…