Component sheet in PDF format for the 2SA1541 transistor, 39.2 KB in size. Only the part number appears in the name, so no board, device or manufacturer can be inferred.

Small 29.3 KB PDF covering the 2SA1436 transistor. In the Japanese JIS designation system a 2SA number denotes a PNP transistor, nominally a high-frequency type, though…

Datasheet-sized PDF, 46 KB, listed as a schematic for the part 2PA1774J, with the trailing 2 most likely a document revision.

Component sheet in PDF format, 47.7 KB, named for 2PC4081, probably revision 4 of the document.

The 1SV266 is the only detail in this file name, and the 59.2 KB PDF is indexed as a schematic.

Filed as a schematic, this 531 KB PDF carries only the bare number 28040 in its name, with no manufacturer, device model or revision stated.

Here is a 570 KB PDF catalogued as a schematic whose name is simply 28010, without any brand or board identifier.

A 61.7 KB PDF named 34WC02, filed with schematics. The name resembles a component part number and gives no laptop model, brand or board revision.

A small PDF filed as a schematic, named only 30FQ, which reads like a component part number rather than a board or laptop model.

Combined PDF covering the 24LC04B and 24LC08B serial EEPROMs, 4 Kbit and 8 Kbit devices sharing the same I2C interface and pinout style.

A 329 KB PDF datasheet for the 24AA52 and 24LCS52 serial EEPROMs, small 2 Kbit I2C memories.

Catalogued as a schematic, this 314 KB PDF carries only the code 22GQ100 in its name, with no laptop brand, board number or revision stated.

Small 38 KB PDF named for the 10BF10 to 10BF80 range and indexed as a schematic. The name indicates a diode family covering several voltage grades in a single sheet, so…

Lenovo ThinkPad L412 motherboard schematic for board DA0GC9MB8D0, revision D, supplied as a 1.12 MB PDF. The DA0...MB...

Acer Aspire V5-551G motherboard schematic for board DA0ZRPMB6C0, delivered as a 1.03 MB PDF. The DA0...MB...

Schematic document for a Z62HA mainboard, delivered as a 1.15 MB PDF. The name carries no brand, platform or revision information, only the board code with its HA…

PDF schematic for the Sony MBX-163 laptop motherboard, with MS60 in the name, probably the ODM project code tied to this board; the file is 1.04 MB.

Sony VAIO laptop schematic for the MBX-266 motherboard, provided as a 1.13 MB PDF. MBX numbers are Sony's own designations for VAIO mainboards, while the actual board…

PDF schematic, 1.02 MB, whose name points to the Sony VAIO board MBX-247; the trailing hk1 token is not explained by the name and may denote a variant or build.

PDF schematic for the Lenovo ThinkPad X200 laptop, about 1.23 MB. The name gives no motherboard number or revision, so compare the board code on the opening pages with…

Motherboard schematic for the IBM ThinkPad T42, a 1.08 MB PDF. The file name lists no board number, revision or GPU option, so verify the version against the labels on…

Dell N5110 laptop schematic in PDF format, 1.45 MB, a model sold in the Inspiron line. The name gives no board number, revision or ODM.

PDF schematic for LCFC board NM-F861, used in a Lenovo laptop. The NM-xxxx numbering belongs to LCFC, the Lenovo and Compal joint venture responsible for many Lenovo…

Topic 4 of a Spanish mobile repair course, explaining how to identify the parts of a smartphone, as a 404 KB PDF identical in size to the unnumbered copy.

Chapter three of a Spanish mobile-phone training series, explaining how a phone works, as a 1.75 MB PDF.

Rear 5MP ultrawide camera schematic for the Samsung SM-A23, provided as a 2.79 MB PDF. The drawing covers the ultrawide module connector, its data and control lines and…

Schematic PDF for Dell motherboard LA-7931P, a Compal-designed board identified by the LA-xxxxP code, at 1.29 MB. No revision or laptop model is given in the name.

Schematic in PDF form for a Sony laptop motherboard with the Quanta code DA0HK9MB6D0, revision 1A.

Schematic PDF titled BM5070, 2.45 MB, with no brand, model or revision in the name. BM5070 appears to be a board or project code, so check that the same marking is…

Schematic in PDF for the Acer A315 laptop on the Quanta Z8G platform, board number DA0Z8GMB8D0, with revision 1A and Rev. F noted in the name.

NP-Q70 PCB diagram with the unexplained suffix imp, a 1.2 MB schematic PDF identical in size to the plain NP-Q70 file and likely a duplicate.

Samsung schematic covering the R530C and R730C notebooks, which per the name share one board design, delivered as a 972 KB PDF.

Samsung Q20 schematic, a 5.24 MB PDF whose name lists the model and a website tag but no board number or revision.

ThinkPad SL410 schematic, a 1.32 MB PDF, with GC2A-0622 and the codes GC1A and CG1B listed in the name, which look like board or project identifiers.

Lenovo ThinkPad L412 schematic in PDF, with Quanta named as the board maker and GC9A as the board code.

Schematic for the Lenovo Yoga Slim 7 14ITL05 laptop, designed by Quanta under the LS2B project code.

PDF schematic for a board identified as CG190PI, version 1.00, about 2.83 MB. The name does not give the laptop brand or model, so CG190PI is most likely the motherboard…

Apple schematic for logic board 820-00928, labelled MLB_BAFFIN2 diagram_LO and packed as a PDF inside a 3.18 MB RAR file.

Schematic diagram in PDF for the Gigabyte GA-H110M-S2 motherboard, revision 1.0, built around the Intel H110 chipset that the model name indicates.

Schematic for Lenovo board NM-A711, packed in a RAR archive. The NM-xxxx pattern is the numbering used by LCFC, Lenovo's own ODM.