PDF of 86.5 KB referencing the 2SC4005, categorised as a schematic. By JIS convention 2SC parts are NPN bipolar transistors, and that is all the name reveals…

Reference sheet in PDF format, 101 KB, for the 2SC4852 NPN transistor, named under the Japanese JIS convention where 2SC denotes NPN bipolar parts.

The 2SB621 in this 51.4 KB PDF is a PNP bipolar transistor according to the JIS prefix, so the file, filed under schematics, should be a part datasheet; _E most likely…

A 1.32 MB PDF schematic labelled UL20A, a notebook model code; the name does not include a brand, board number or revision.

PDF schematic for the Acer Aspire 1310 laptop, 711 KB in size. The name lists no mainboard number or revision, so check the title block inside against the code printed…

Schematic in PDF format for the FA506Q laptop, board DA0NJFMBAD0, project code NJF, revision D, archived as RAR.

Samsung SM-J110H troubleshooting manual, apparently revision 7-1, provided as a 13.7 MB PDF.

Schematic PDF of the Topstar C49 mainboard, revision A, 1.28 MB. Topstar is an ODM producing laptops for numerous rebranded models, so match the board code on the PCB…

Schematic for the Compal LA-A921P board, revision 1.0, supplied as a 1.92 MB PDF. The name does not identify the laptop model, so match the board number printed on the…

Schematic for the HP Evo 620 notebook, delivered as a 1.32 MB PDF. The name provides only the model, with no motherboard number, ODM project or revision, so check the…

Repair guide for the P553UJ notebook, abbreviated RG in the name, in a 726 KB PDF. These guides normally combine board photographs, component locations, typical voltage…

A compact 122 KB PDF named after the 2SK2260, filed in the schematic category but most likely the datasheet for that device.

Schematic for the Lenovo ThinkPad X230 mainboard, labelled LBD-2 with board number 11232-1, provided as a PDF inside a RAR archive.

PDF schematic whose name is only the code CDX-G1152U. That code matches the style of a Sony car audio head unit model, but the name gives no further revision or board…

PDF schematic for the Lenovo ThinkPad T570, Wistron project LTS-1, board 16820-1, in a RAR archive. Wistron made the board, as its 16820-1 numbering shows.

Full circuit diagram for Apple logic board 820-01814, with the name SAFFORO attached, as an 11.2 MB PDF schematic.

Component location map in English, supplied as a PDF, for the Apple logic board 820-02020 found in the A2338.

Schematic in PDF for the Z8Y mainboard, with RAMP in the name likely marking a design stage, packaged as a 1.21 MB RAR.

Scanned book titled Programming Microprocessors by W. M. McMurran, dated 1977, provided as a 13.4 MB PDF.

Sony laptop schematic in PDF form, labelled only with the project code GD1B. The name states no model, MBX number or revision.

Complete schematic in Spanish for the Samsung SM-A920F smartphone, the Galaxy A9 2018 model, in a 10.6 MB PDF.

Short PDF, only 32.2 KB, describing the power-on sequence for Topstar C46 and C48 boards.

Logic block diagram for the Xiaomi Redmi 3A, with a Chinese title, supplied as a 738 KB PDF.

Repair guide PDF for the ASUS K42JA, about 507 KB, catalogued with schematics. ASUS repair guides commonly include a system block diagram, the power-on sequence, key…

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

Short 34.8 KB datasheet-style PDF for the 2sk2576, an N-channel FET under the Japanese JIS 2SK designation.

Component sheet for the 2SK1069, an N-channel FET from the Japanese 2SK numbering range, stored as a 98.7 KB PDF.

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…

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

A 108 KB PDF listed as a schematic and titled 1SR124-400A, a code in the style of a discrete semiconductor part number, with the 400A suffix identifying a specific…

Short 85.5 KB PDF named 30dps, listed as a schematic, with a name that looks like a part number for a discrete power diode rather than a board drawing.

PDF schematic labelled N5110, a name matching the Dell Inspiron N5110 laptop series, though the file name gives no board number or revision.

Laptop schematic in PDF form for the FONSECA15 project, a UMA build, meaning integrated graphics only. The name also carries the codes 1103-1, 09226-SB, RX01 and 1029.

Top-layer component placement sheet for the Compal LA-G714P board, provided as a 246 KB PDF.

Matrix 1.4 amplifier design in BTL configuration, meaning bridge-tied load where two amplifier halves drive the speaker in opposite phase, as a 1.76 MB PDF.

Very large Lenovo ThinkPad schematic collection, about 2.20 GB in one numbered RAR archive. The name gives only the product line, not specific models or board numbers.

PDF schematic of roughly 64 KB for a function daughterboard of the X63C project, a Quanta code associated with the HP ProBook 450 G3 elsewhere in this collection; no…

Lenovo E255 schematic delivered as a 928 KB PDF. Apart from the model, the name gives no motherboard number, manufacturer or revision, so check the first page of the…

Schematic in PDF form for Quanta board DA0AT6MB8E2, AT6 project, revision E, packed in a 1.57 MB RAR.

Schematic for the Biostar IG41B-M7S motherboard, distributed as a PDF in a 988 KB RAR archive.