Schematics package for the Samsung Galaxy A53 5G, bundled in a 17.4 MB ZIP archive. Phone schematics like these show the main board circuits, power management, charging…

Component documentation for the 4N38 optocoupler, filed under schematics though it is in practice a part datasheet in PDF form of about 140 KB.

Catalogued as a schematic, the 40.9 KB PDF 2SD2413 with an E tag relates, by the JIS 2SD prefix, to an NPN bipolar transistor rather than a complete board.

The 2SC3916 NPN transistor is the subject of this 30.8 KB PDF. Since the name is only a JIS part number, where 2SC stands for an NPN bipolar device, it is best treated…

Part documentation for the 2SC3777, a 127 KB PDF whose name identifies a single NPN transistor under the JIS 2SC numbering.

Filed under schematics, this 115 KB PDF is named only with the part number 2SA1319, which follows the Japanese JIS scheme where the 2SA prefix marks a PNP bipolar…

PDF reference of 43.6 KB covering the 2SA1258. No device, board or revision is mentioned, only the component code, whose 2SA prefix denotes a PNP transistor in the…

Listed as a schematic, a 115 KB PDF carrying only the part number 2N6342, part of the JEDEC 2N registration series for discrete semiconductors.

Named 1T378A, this 49.4 KB PDF is listed under schematics. The A suffix denotes a variant of the 1T378 code and may carry different ratings from the base part.

Covering the 6CWQ06FN, this 129 KB PDF is a datasheet for a dual common-cathode Schottky rectifier, the 06 suggesting a 60 V grade and the FN suffix a surface-mount…

Named 121nq with no suffix, this 93.9 KB PDF is filed as a schematic yet states no device, board number or revision.

Datasheet PDF of 446 KB named 29F400, listed among schematics without any brand or board.

PDF document of 226 KB with the short, uninformative name 22ria, filed in the schematics category.

Catalogued as a schematic, this 200 KB PDF is named 20CJQ030 and says nothing about a device, board or revision.

This 173 KB PDF, named 19TQ015 in capitals, is indexed as a schematic though the name points to a discrete part rather than a board.

Schematic in PDF format for the Z94RP board, revision 1.2, 2.50 MB, with no brand named in the file.

Schematic PDF, 1.14 MB, named t43_2. The trailing 2 may indicate a second part of a split document or a second version, which the name does not clarify.

Schematic for a model named SL410K, supplied as a 1.58 MB PDF; the name states no brand, board number or revision, so read the title block to confirm the platform.

Schematic PDF for a board identified only as JM50, revision 1.0, with no brand or laptop model in the name.

Schematic in PDF form for an HP model named 630G, presumably the HP 630 laptop, with no board number or revision given in the name.

Schematic in PDF format for a board identified only as F83VF, 1004 KB in size and apparently the same document as another file of identical size with a revision tag in…

English PDF titled basic electronics, 583 KB, not tied to any device or board. It is reference and training material rather than a service schematic.

Spanish document about the diode, a 373 KB PDF of component theory rather than a schematic for a specific device. The name gives no product or board number.

Quanta 0P5H schematic in PDF format, board number DA0P5HMB8J0, archived in a 1.18 MB ZIP.

PDF schematic for the Lenovo motherboard NM-D451. The board numbering follows the LCFC scheme, and other files in this collection link NM-D451 to the ThinkPad T14 Gen 2.

PDF named RTS545X, which refers to a Realtek RTS545x series chip, commonly a USB Type-C power delivery controller; the name gives no board or device.

PDF document for the BQ24780S, a Texas Instruments battery charge controller found on many laptop boards, filed here as a schematic, though it is most likely the…

Panasonic service schematic for the TH-L32C22D LCD television, chassis KM06V, reference PAVCI1006012CE.

PDF document for the TPS51123, a Texas Instruments dual synchronous step-down controller often used to generate the 3.3 V and 5 V standby rails on laptop boards.

Compal LA-9331P schematic, revision X00, provided as a PDF in a RAR archive. The name gives no laptop brand or model, only the Compal board number, which follows the…

Schematic PDF for the ASUS FX705GM and FX505GM laptops, which share one motherboard design.

RAR archive holding schematic PDF material, named with A1386 and K19; the name carries little else, and no brand or board number is stated.

PDF document for the Samsung SM-A105FN, the Galaxy A10 European variant, inside a 922 KB RAR archive.

Repair guide in PDF form for the ASUS X555LD laptop, 1.49 MB, catalogued with schematics.

Revision 30 schematic for the MSI MS-7B28 desktop board, in PDF with the reference 00017967, packed into a 1.17 MB RAR.

Schematic PDF of about 873 KB for Quanta project V03A, covering both DIS and UMA variants, that is boards with a discrete graphics chip and boards using integrated…

Schematic for the ASUS X545FB laptop motherboard, delivered as a PDF inside an 8.7 MB RAR archive.

Schematic in PDF format for a board labelled W310CZ, with ESM in the name, compressed into a 2.83 MB RAR archive.

Schematic PDF of 260 KB with the code RSAG7.820.7748 in its name, a format typical of Hisense TV main or power board part numbers, preceded by the abbreviation FA.

Schematic for the ASUS ROG GL502VT at board revision 2.0, supplied as a PDF inside a RAR archive.