Circuit diagram for the MS-7363L2 motherboard, revision 0A, a 962 KB PDF. The 0130-1733 segment in the name appears to be a date and time stamp.

MSI MS-7175 desktop motherboard schematic, apparently version 1.0, with an STD suffix that likely denotes a standard variant.

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

Short PDF of 161 KB with the numeric name 317091 and a browser copy marker, offering no information about the device, brand or board.

Sony training material in PDF describing the WAX2T LCD TV chassis. Training guides usually explain block diagrams, board functions, signal flow, power sequencing and…

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

Quanta TE1m motherboard schematics in a 2.66 MB PDF, with a revision marking read from the name as 3D.

Lenovo ThinkPad SL400 schematic, a PDF of roughly 891 KB. No board number, revision or manufacturer code appears in the name, so the exact PCB version it describes…

Early R0.1 revision of the Compal LA-6831P schematic, supplied as a RAR file of roughly 1.64 MB.

Compal LA-5191P motherboard schematic, revision 1.0, supplied as a 914 KB RAR archive. No laptop model or brand appears in the name, so rely on the board code printed on…

Wistron Yuhina schematic in PDF, 934 KB, with the code 03207-3 in the name, which may be a document or revision reference; no laptop brand or board number is stated.

PDF document about a broadcasting system, 402 KB, catalogued as a schematic. Apart from that topic the file name gives no model, brand or board number, so its exact…

PDF schematic for the Samsung SM-A720F, about 3.58 MB, with no board revision indicated in the name.

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

Second part of the Nokia 6310 schematics, a 266 KB PDF that appears to be a duplicate copy judging by the (2) suffix. The name holds no board number or revision.

Shared schematic covering the Nokia 1110 and Nokia 1600, two basic handsets that the document groups together, provided as a 1.23 MB PDF.

Toshiba Satellite A200 schematic, drawn by Inventec as the board manufacturer, in a 1.13 MB PDF.

Schematic for an early Sony VAIO mainboard labelled MBX-80, with NE5 apparently the project code and 3E the board revision.

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.

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…

Repair guide PDF for the ASUS K42JA, about 507 KB, catalogued with schematics. ASUS repair guides commonly include a system block diagram, the power-on sequence, key…

Quanta AT3 motherboard schematic at revision R1A, here as the fourth copy of a 1.26 MB PDF.

Dell Vostro 3300 schematic in a 1.05 MB PDF. The name lists only the model, without the ODM board number or revision, so open the title block to identify the mainboard…

Datasheet-style schematic data in PDF for the Texas Instruments TPS51488, ordering code TPS51488RJER, a small 81.6 KB document.

Datasheet-style PDF, 142 KB, for the 74HC595D, the familiar 8-bit serial-in, parallel-out shift register with output latches; the D suffix usually marks the SO package.

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.

The 2SD2598 transistor is covered in this 59.3 KB PDF, whose name ends in an _E suffix.

Labelled 2SD1997, this 86.1 KB PDF is indexed as a schematic, yet a bare transistor part number points to a manufacturer datasheet.

Reference PDF for the 3N255, sized at 42.2 KB and catalogued among schematics, though nothing beyond the part number is given in the name.

Datasheet-style PDF for the 3LP02N, about 41.5 KB and listed as a schematic. No device, brand or board details appear in the name beyond the part code itself.

Part documentation for the 2SK2914 in PDF form, 396 KB, placed in the schematic section of the index.

The 2SK2792 part number appears here with an unexplained 1-5 suffix, possibly a page range or edition marker.

Here the 2SK2746 is documented in a 420 KB PDF, categorised as a schematic yet named like a single-part datasheet.

Short 34.8 KB datasheet-style PDF for the 2sk2576, an N-channel FET under the Japanese JIS 2SK designation.

Covering the 2SK2459N, this 138 KB PDF sits in the schematic section but by its name is a transistor datasheet; 2SK is the Japanese JIS prefix for N-channel field-effect…

The 2SK1449 gives this 109 KB PDF its name, and nothing else is stated. It is filed as a schematic, though it is probably the device data sheet.

PDF datasheet of about 56 KB for the 2SD661 transistor, with an _E suffix that probably indicates an English edition.

PDF document, 39.0 KB, for a part named 2SC4627J, with an extra _E tag in the name whose meaning is not stated.

The 2SC5171 named in this 169 KB PDF is a JIS-style part number, where the 2SC prefix denotes an NPN bipolar transistor for high-frequency applications, so the content…

Datasheet-style PDF of 119 KB for the 2SC4401, listed in the index under schematics although the name points to a single semiconductor part.