Small Wistron schematic for a sensor daughterboard, project 18B26, revision A00. The name does not give the laptop brand or model it belongs to.

Small 67.6 KB PDF filed under BQ24727, a Texas Instruments battery charger controller found on many laptop motherboards.

PDF schematic for the A21s smartphone, model code A217F, which matches Samsung's SM-A217F numbering. The name gives no board revision.

PDF reference listing Ricoh component marking codes, the short codes printed on small SMD packages.

Small 113 KB PDF for an Acer device, labelled with the Compal LS-5673P number, with the label repeated in the name.

Small 30.5 KB PDF for the 2SC5808 part, an NPN bipolar transistor per the Japanese 2SC designation.

Part number 1SS181 gives this 70.1 KB PDF its name, and the index places it among schematics.

Small 70.2 KB PDF for the 1SS396 component, placed in the schematic category. Given the 1SS numbering, the Japanese series for small-signal diodes, it is most likely a…

The file name gives only 1SS348, a part number in the Japanese 1SS small-signal diode series, common in Toshiba catalogues.

Catalogued as a schematic, this 67.4 KB PDF is named for the part 1SS344 and states nothing else about a device or board.

Spanish-language training document on intermediate microelectronics for mobile phones, filed under schematics but by its title a course text rather than a circuit…

Quanta TM7 mainboard schematic stored as a small 192 KB PDF. The file name carries only the project code, with no revision, brand or model, and the small size suggests…

Schematic diagram for the Xiaomi Mi 9T supplied as a 1.74 MB PDF. The relatively small size suggests it may be a partial set of pages rather than the full service…

Small 295 KB RAR archive with schematics for the Lenovo S660 smartphone. No mainboard revision appears in the name, so confirm against the PCB markings before trusting…

Small 42.7 KB PDF for the KA34063, a DC-DC converter control IC in the family of the common 34063 design, marketed with the KA prefix.

Small PDF of 27.3 KB for the 3LN01N, catalogued as a schematic though the name reads as a discrete transistor part number, so it is most likely a datasheet.

A short 87.3 KB PDF for the 1SS403. It sits in the schematic category but reads as a component datasheet, because 1SS is the Japanese designation family for small-signal…

The name 1ss244 indicates a datasheet for a small-signal diode in the Japanese JIS 1SS series, although the file sits in the schematic category.

Short PDF of 17.5 KB titled 23SC4428, catalogued under schematics. The name gives only a part number, and its 4428 suffix resembles that of a known smart-card memory…

Schematic archive for the Compal LS-6582P, revision 1.0, roughly 40 KB in RAR form. In Compal's numbering the LS prefix normally marks a small daughterboard, such as a…

Small 180 KB PDF schematic whose name carries the Quanta-style PCB code DAGD1ABB8B0, referring to the GD1 project, with what appears to be a CB sub-board and a 0711 date…

The name 3LP01S identifies this 28.1 KB PDF only by a component-style code with an S suffix; no laptop, board number or revision appears.

Small schematic for the FF4 USB daughterboard, revision 1C, marked FINAL and supplied as a PDF in a RAR.

Small 112 KB PDF schematic whose name points to an LS-D121P board; the LS- prefix with a P suffix is the style Compal uses for daughterboards such as I/O, USB or…

Listed as a schematic, this 28.7 KB PDF is named only after the part number 2SC5681, which in the Japanese JIS scheme marks an NPN bipolar transistor, so it is most…

Datasheet-style PDF of 101 KB for the 2SA1731, indexed under schematics but named only by part number with no device or board information.

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

Complete service documentation for the Samsung S5300, the Galaxy Pocket, in a small 927 KB PDF.

Schematic documentation for the Xiaomi Redmi 10X smartphone, a 3.65 MB PDF. Smartphone schematics of this kind cover power management, battery and charging, display…

PDF schematic for the MSI MS-V381 PCB, revision 5.0, compressed into a small 829 KB RAR file.

Schematic for the I/O daughterboard of the Quanta ZDA project, revision 1A, in a small 66 KB PDF.

PDF schematic labelled A51, most likely the Samsung Galaxy A51 smartphone, though the name states no brand, board number or revision.

PDF reference covering voltage regulators in 5-pin, 6-pin and 8-pin packages, catalogued as a schematic.

Compal LS-6931P power board schematic, revision 1.0, a small 61.5 KB PDF. LS-numbers in Compal's scheme designate daughterboards rather than the main logic board, so…

Service schematic in PDF form for the Samsung model coded J500FN, judging by the name, which matches Samsung's SM-J500FN Galaxy J5 numbering; no board revision is given.

Schematic package for the ASUS ZenFone Max Pro M1 smartphone, delivered as a small 1.31 MB RAR that holds PDF documentation according to the name.

Small schematic, about 31 KB, for an IO board named Michigan, revision A02, with a 0426 date code.

Schematic diagrams for the Xiaomi Mi 5 smartphone, packed in a small ZIP under 1 MB. Repair technicians use these drawings to follow supply rails from the battery and…

Datasheet in PDF for the PZT2907A, a PNP small-signal transistor the file name rates at 60 V.