Basic electronics course in PDF form attributed to Humphrey Kimathi, 4.45 MB, filed under schematics but in practice a learning text.

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

Schematic in PDF format for the Lenovo ThinkPad SL410, about 1 MB in size. The file name does not state a board number, ODM or revision, so compare the diagram with…

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

Compal LA-8952P circuit schematic, revision R0.1, archived as a 1.17 MB RAR. Only the Compal board code and an early revision are given in the name, so the laptop model…

Laptop schematic for Compal board LA-2461 at revision R0.3, stored as a 1.29 MB RAR archive.

Full schematic for the Compal LA-2301 laptop board at revision R1.0, compressed into 1.29 MB RAR.

Early R0.5 schematic for the Compal LA-1251 motherboard, compressed into a 1.44 MB RAR archive.

Schematic for the Fly B400 mobile phone, packaged as an 819 KB PDF. Circuit sheets like these show the power management, battery and charging section, keypad, display…

Schematic for the Samsung SM-A320F, supplied as a 3.51 MB PDF. The circuit pages cover the power management IC, battery and charging path, display and touch interfaces…

Schematic in PDF for the Gigabyte GA-P55-US3L motherboard, revision 2.02, about 1.9 MB.

PDF schematic for the ASUS X453MA laptop mainboard, about 1.43 MB, with an RG suffix in the name whose meaning is not stated.

PDF schematic for the Acer 6530 notebook series, labelled with the Quanta project code ZK3.

PDF schematic for the Nokia N9 MeeGo smartphone, 6.78 MB in size. The file name lists only the model and gives no board number or revision, so confirm the main board…

Schematic set for the Nokia N72 Symbian phone in a 1.79 MB PDF. The file name names only the model; no board number or revision is provided, so check the main board…

Schematic for the Lenovo Y410, with the file name stating only the model, without a board number, manufacturer code or revision.

Schematic for a board identified only as Z94Rp, an 899 KB PDF without a stated revision or brand.

Circuit diagram titled Z84F, provided as a 1.03 MB PDF with no brand or revision in the name.

Short repair guide for the ASUS K52JT, a 209 KB PDF catalogued with schematics. ASUS repair guides usually contain block diagrams, power sequence, main voltage rails and…

Acer Aspire 3000, 3002 and 5000 schematic based on Quanta ZL5, board DA0ZL5MB6C2, revision 3B, 921 KB PDF.

Third copy of the Quanta AT5 board schematic at revision R1A, a 1.22 MB PDF identical in size to the other AT5 files.

Quanta FM9B schematic, D3A revision, for a UMA build, meaning integrated graphics with no discrete GPU.

Samsung Q35 laptop schematic, distributed as a 1.68 MB PDF. Beyond the model, the name gives no mainboard code, revision or platform code name, so confirm the version by…

PDF reference of 66.9 KB for the KA7500C, a pulse-width-modulation controller from the KA7500 family, compatible with the classic TL494 design.

PDF for the IRF540 MOSFET, and the name indicates the datasheet comes from Philips. Although listed under schematics, the 91.6 KB file is a component sheet with ratings…

Small 67.8 KB PDF for the 2SD1854, a part number in the Japanese 2SD series of NPN bipolar transistors, so it is really a datasheet rather than a full schematic.

A compact 44.3 KB PDF describing the 2SD602 transistor, indexed as a schematic though its content is component data. An _E suffix appears in the name as an edition tag.

Datasheet-type PDF for the 2SD1878, 90.6 KB, placed in the schematic category of the index. The name contains nothing beyond the part number.

Named 2SD2426, this 69.1 KB PDF is filed as a schematic, though the 2SD prefix follows the Japanese JIS code for NPN bipolar transistors and points to a single-part…

Datasheet-style PDF for the 2SD1994A transistor, filed in the schematic category of the index.

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…

Stored as a 190 KB PDF, this document is named after the 2SD1936, a JIS-registered NPN transistor.

The 34.0 KB PDF named 2SK3557 is indexed as a schematic, but its name is a JIS component number, so it is almost certainly a datasheet.

A 318 KB PDF covering the 2SK2882, listed under schematics but almost certainly a datasheet given the bare part number in its name.

Covering the 2SK2865, this 424 KB PDF sits in the schematic category but, judging by its name, is the component datasheet.

Listed as a schematic, this 412 KB PDF carries only the part number 2SK2845 in its name.

A 95.0 KB PDF named after the 2SK1908, listed in the schematic section of the index. Since 2SK is the Japanese registration prefix for N-channel FETs, treat it as the…

Datasheet PDF, 292 KB, for the 2SK1829 transistor. Under JIS naming, 2SK marks an N-channel FET; the file name gives only the part number, with no maker or package…

The 2SK1375 N-channel field-effect transistor is covered by this 150 KB PDF, filed under schematics in the catalogue.

Datasheet-style PDF for the 2SK1117, with the name noting NTE2379 as its equivalent, meaning the NTE replacement line lists that part as a cross-reference.