Component reference for the 2SA1331 transistor, supplied as a 129 KB PDF. Under JIS conventions the 2SA prefix marks a PNP transistor designed for high-frequency…

Named after the transistor 2SA2059, this 183 KB PDF most likely holds that component's datasheet, despite the schematic category.

PDF, 250 KB, for the 2SA1255 PNP transistor, with 2SA being the Japanese JIS designation for that class.

2N4123 document carrying an RE suffix, provided as a 162 KB PDF and indexed in the schematic category.

Small 140 KB PDF whose name is simply the number 75005382, carrying no hint of manufacturer, device or component type.

This 126 KB PDF, tagged as a schematic, is named 440cmq030, with no brand or device identified.

A 114 KB PDF filed as a schematic and named 85eps08, with no brand or device given. The code looks like a power rectifier part number with a voltage-class suffix, though…

This 145 KB PDF, filed under schematics, carries the name 85epf08 and nothing about brand or board.

A 124 KB PDF datasheet labelled SDZS016. The name is a bare document code with no part number, maker or device type, so it is not possible to tell from the file name…

Short component datasheet of only 77 KB in PDF format, carrying the literature code SDNS005 with revision B.

Datasheet in PDF, 540 KB, whose name gives only the literature code SDLS176. The SDLS prefix belongs to the Texas Instruments numbering for standard logic family…

Texas Instruments datasheet filed under literature number SDLS139, a 257 KB PDF. The name gives only the TI document code, not the part, so open the cover page to…

Texas Instruments literature code SDLS131 in a 339 KB PDF datasheet. The name does not identify the logic part, so open it and confirm the device listed on page one.

Schematic in PDF, about 420 KB, named only SEM2105, so the name does not identify a laptop model or board number.

Schematic PDF with the uninformative name M7V, 1.29 MB, carrying no brand, model or board number.

PDF document of about 2 MB titled as Lloyd service codes, indexed under schematics. The name does not state which Lloyd product or model it covers, so open it to check…

Schematic PDF labelled 7A-PRO, packed in a 637 KB RAR. The name gives no brand, board number or revision, so the device it covers must be confirmed by opening the file…

Toshiba Portege R830 schematic in a sizeable 19.9 MB PDF. The file name carries no board number or revision, so open it and compare the project and board markings with…

PDF datasheet, 234 KB, for the Toshiba TPCC8131 power MOSFET. It gives the polarity, pin configuration, maximum drain-source voltage, continuous current, on-resistance…

Small 91.1 KB PDF named sn608098, filed as a schematic. The name does not reveal the device; it may be a Texas Instruments component number, though that cannot be…

Schematic PDF of 1.6 MB named only Y300, which most likely refers to a Lenovo IdeaPad Y300-series device, though the name does not state the brand or board number.

Datasheet PDF identified only by a document number, doc6020, at 115 KB; the name does not say which component it describes.

RAR archive containing a PDF boardview for the Lenovo ThinkPad L14 Gen 1, board GL40-GL5A0 with number NM-C631, which follows the LCFC numbering used by Lenovo's own…

Boardview for the Gigabyte GA-H61M-DS2 motherboard, revision 3.0, provided in PDF form inside a RAR archive.

Schematic in PDF form for a Lenovo IdeaPad Yoga laptop built on motherboard DA0LI5MB6H0, revision 1A.

Schematic in PDF form for mainboard 6050A2111701, revision A01, with a design date of 2007-03-27 in the title.

Schematic in PDF form for an Apple Mac mini logic board 820-3227, carrying the J50I designation in its name.

Schematic PDF covering the ASUS VivoBook 14 models X421EAY, X421EPY and X421EQY, about 7.65 MB.

Schematic in PDF form for the Compal LA-G521P laptop mainboard, revision 1A. Because the name names no laptop model, identify the machine by the board number…

Lenovo motherboard schematic for board NM-C661, supplied as a plain PDF of about 1.4 MB; the name gives no laptop model or revision.

Sony Vaio schematic in PDF format, labelled AK1 and attributed to Quanta, the ODM that built the board; file size is around 645 KB.

Schematic in PDF form for the Sony Vaio VJP132C11N, based on the Quanta MS8 project with motherboard number DA0MS8MBAD0.

Compal schematic in PDF form for board LA-J272P, with the platform code FDV42 in the name.

Lenovo schematic in PDF format for board I4X0MS, version 1.0, 1.96 MB. The name gives only the board code, so check it against the marking on the mainboard to identify…

PDF schematic of 3.43 MB for a board identified only as N61A-SKY, with what looks like a date and time stamp 0729_0900 in the name; the brand and laptop model are not…

Wistron schematic for board number 203013-1, a 4.02 MB PDF; the name does not identify the notebook brand or model.

Wistron-designed laptop schematic for project LV114A, board number 15270-1 with code 08A03, in a 6.77 MB PDF.

Graphics card schematic for the Gigabyte GeForce GTX 970 G1 Gaming with 4 GB of GDDR5 memory, model code GV-N970G1 GAMING-4GD, as a PDF.

PDF schematic for the Gigabyte GA-G41MT-S2 motherboard, revision 1.5 according to the name, under 1 MB in size.

Circuit schematic for the Gigabyte GA-78LMT-S2P desktop motherboard, with R40 in the name most likely indicating PCB revision 4.0.