Sony schematic in PDF form, 1.17 MB, labelled only with the MS01 project code and no model or MBX board number.

Toshiba Satellite A300 schematic in PDF format, 844 KB, with Inventec named as the board maker; the misspelled invente token in the name appears to mean Inventec.

Schematic for a Sony RJ series board, listed as RD1-MB, with the Sony MBX-145 board number.

Circuit diagram for the Sony MBX-178 mainboard from project M620, marked PVT, a production validation build, with 0608 and 1000 appearing to be release tags.

Circuit diagram in PDF for the Sony PCG-61611, built on Quanta's NE7 ODM platform, at 1.03 MB.

PDF schematic identified only by the project code M920 and the PVT tag, meaning production validation test stage, with no brand or board number given in the name.

Third copy of the schematic for the Quanta AT3 notebook mainboard, revision R1A, in a 1.26 MB PDF.

Circuit diagram for the Quanta AT3 board at revision R1A, supplied as a 1.26 MB PDF that opens in any standard PDF reader.

Datasheet for the Maxim MAX1908, an 863 KB PDF whose name states only the part number. The overview page confirms the device function and package; parts from this Maxim…

Apple iPhone 4S schematic in PDF form, about 650 KB. A circuit diagram like this helps trace power rails, check connections between the processor, PMIC, charging…

Service schematics for the Nokia X2-00, type designation RM-618, as a 3.79 MB PDF. Nokia service documents of this kind typically include block diagrams, circuit sheets…

Service manual revision 1.0 for the Samsung SGH-L170 mobile phone, a 3.61 MB PDF. Such manuals usually combine disassembly instructions, exploded views, parts lists…

Schematic diagram for a Lenovo ThinkPad board numbered NM-A151, supplied as a 1.79 MB PDF.

Schematic diagram in PDF for an Acer Aspire laptop mainboard numbered 14205-1. Plain five-digit numbers with a dash suffix like this follow the Wistron board numbering…

Schematic in PDF for laptop motherboard 18803-1, a number following the Wistron ODM pattern; the name gives no laptop model.

Schematic in PDF format for the Compal motherboard LA-4993P, revision 1.0. No laptop brand appears in the name, although Compal boards of this pattern were supplied to…

Schematic diagram for the ASUS M3400QA laptop motherboard, revision 2.0, in a 3.28 MB PDF.

Schematic PDF for a Lenovo ThinkPad mainboard numbered 19770-1, a 2.86 MB document. Five-digit numbers with a dash suffix like this follow Wistron's board numbering, and…

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.

Schematic in PDF for the Quanta G3EC project, which corresponds to board number DAG3ECMBCD0.

Indexed as a schematic, this PDF is named 2SD1459, a Japanese JIS designation that points to a datasheet for an NPN transistor rather than a board diagram.

A 133 KB PDF for the 2SD1935, a transistor in the Japanese 2SD family, which the JIS standard reserves for NPN low-frequency devices.

The 42.4 KB PDF is named for the 2SD2345 and carries an _E suffix, whose meaning the name does not explain.

Catalogued as a schematic, this 86 KB PDF is named only after the part number 2SK2273, so it is almost certainly a component datasheet, not a board diagram.

Datasheet-style document for the 2SC5405, stored as a 37.3 KB PDF in the schematic category. Nothing beyond the part number appears in the name.

Component datasheet for the 2SB1434 transistor, filed under schematics but in practice a part reference rather than a board diagram.

Very small PDF, only 16.5 KB, named 2pg352 and catalogued under schematics. The name is terse and gives no device, brand or board number, so it most likely holds a one…

This 124 KB PDF is named with the code 5TUZ52 and listed as a schematic, though no device, board number or revision is stated.

Indexed under schematics, this 106 KB PDF is named only 30BQ060, a code that looks like a discrete component part number, so expect datasheet-style pages rather than a…

Datasheet-style PDF of 55.8 KB for the Catalyst 24WC256, a 256 Kbit two-wire serial EEPROM, even though the index lists it as a schematic.

A small 71.5 KB PDF with the very short name 16f, indexed as a schematic. The name is too terse to tell what device, series or component it covers, so the contents need…

Schematic in PDF form, 1.32 MB, for the UL20A according to its short name. No revision or board number beyond that code is stated, so read the cover page to confirm the…

Compressed RAR containing a PDF schematic for the N76VM, tagged RG as on similar ASUS schematic packages; no board revision appears in the name.

Circuit schematic for the IBM ThinkPad R32, provided as a 1.18 MB PDF. The name mentions no board number or revision, so check the motherboard silkscreen against the…

Schematic of the IBM ThinkPad A31 motherboard, saved as a PDF of around 1.00 MB. The file name states the model only and gives no board number or revision, so compare…

Schematic set for the Samsung SM-F946B in a ZIP of about 1.92 MB, the model code used for the Galaxy Z Fold5 international version. No revision is given.

Samsung SM-F700U schematic diagrams, about 2.06 MB in a ZIP archive, for the US version of the original Galaxy Z Flip. The name gives no board revision.

Service schematic in PDF form, 6.22 MB, for the Panasonic TH-L22C31D LCD television, as identified by the file name. No chassis or board revision is stated.

Compressed schematic set for a Samsung device identified only by the model code T970, a code that probably belongs to a Galaxy Tab family.

Schematic diagram in PDF format for board BM5968, revision 1.4 as read from the name; the brand and device it belongs to are not stated.