Schematic in PDF format for the Lenovo board NM-A471, numbered under the LCFC scheme used by Lenovo's in-house ODM.

Schematic diagram together with a service manual for the Lenovo A1000 phone, stored as a 657 KB RAR file. No board number or revision is given.

Lenovo A800 phone circuit diagram and service manual, packaged as a 598 KB RAR file. The name does not state a board number or revision, so compare the silkscreen code…

RAR archive of 560 KB carrying schematics for the Lenovo S700 handset. The name offers no board number or revision, so it is worth checking the mainboard silkscreen…

Schematic in PDF for the Quanta board DA0X81MB6E0, packed in a 1.61 MB RAR archive and pairing with the boardview of the same code.

Schematic for the Foxconn CK804A07 motherboard, revision A, delivered in a 1.16 MB RAR archive and filed under ECS.

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

HP EliteBook 2560p circuit diagram, Styx MV build dated 2011-04-15, with the number 1310A2400201 shown in the name.

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…

Sony VAIO schematic for motherboard MBX-194, project M780, stored as a 1.07 MB PDF. No revision appears in the name, so look at the document's title block.

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

Quanta schematic set in PDF form for the G7H motherboard, board number DAG7HGMB8B0, with the name listing REV B alongside a G7H R1A tag.

Single PDF of 40.8 KB for the 2SD2216, listed as a schematic but most likely a component datasheet, since the name is a part number rather than a board.

For the 2SD2098 transistor, this 159 KB PDF is categorised as a schematic but follows the usual naming of a part datasheet.

A compact 49.9 KB PDF for the 2SD2074, with an _E suffix in the name that is not explained and could indicate a language edition or document revision.

At just 33.5 KB, this PDF for the 2SD1623 is a short document listed as a schematic, though the part-number name suggests a compact datasheet.

Reference sheet for the 3SK143, delivered as a 35.1 KB PDF and indexed under schematics. Beyond the part number the name says nothing.

PDF for the 2SK2463 carrying a _1-5 suffix, 136 KB in size; the name does not explain the suffix, which may refer to pages or an edition of the document.

PDF reference for the 2SK2339 transistor, 35.9 KB, catalogued under the schematic type.

Listed as a schematic, this 125 KB PDF is named after the 2SK1466, a part code that under the Japanese JIS scheme denotes an N-channel field-effect transistor.

A 92.7 KB PDF catalogued under schematics but titled only 2SJ228, a JIS-style designation used for P-channel FETs.

A compact 93.8 KB PDF carrying only the designation 2SC4476 in its name. Under JIS numbering the 2SC prefix identifies an NPN transistor of the high-frequency class, so…

A 475 KB PDF referencing the 2SC5092 transistor type; the 2SC prefix denotes an NPN bipolar device under the Japanese JIS numbering system.

A 45.1 KB PDF listed under schematics for the 2SC5448, a part number that under the Japanese JIS scheme identifies an NPN bipolar transistor.

PDF documentation for the 2SC3929 transistor, 54.1 KB, suffixed _E and filed under schematics.

Transistor datasheet for the 2SC3474, supplied as a 303 KB PDF and filed under schematics.

Datasheet-style PDF of 170 KB for the 2SC1627A, the A-suffixed variant of a JIS-numbered NPN bipolar transistor, indexed as a schematic.

Data document for the 2sb1590k, a 34.8 KB PDF listed under schematics. The 2SB part follows JIS numbering for PNP low-frequency bipolar transistors; the trailing K is a…

Documentation for the 2SB1132 transistor in PDF form, 123 KB, sorted under schematics. In the JIS designation system the 2SB code denotes a PNP bipolar device for…

PDF covering the 2SA1452A transistor, 233 KB, indexed in the schematic section. The 2SA prefix in the JIS system marks a PNP device intended for high-frequency use, and…

A 207 KB PDF for the 2SA1736, filed in the index as a schematic but named after a single semiconductor part rather than a board.

Data document for the 1SV302 diode, stored as a 72.1 KB PDF and catalogued as a schematic.

Varactor reference for the 1SV245, saved as a 73.9 KB PDF whose name ends in an underscore that adds nothing.

A 126 KB PDF filed under schematics, though its name, 1SS269, points to a semiconductor part rather than a circuit board.

Component datasheet in PDF for the 1N5400G diode, filed here under the schematic category even though it documents a single discrete part rather than a circuit.

Specification sheet for the 1N5393 diode saved as a 42.7 KB PDF and indexed in the schematic category.

A 761 KB PDF titled 28256a, filed as a schematic but most likely a fuller datasheet edition for a 28-series 256 Kbit parallel EEPROM, the a suffix suggesting a revision…