The 2SC3502 NPN transistor is the subject of this 157 KB PDF, which the index files under schematics.

Datasheet PDF of 172 KB carrying the part number 2SC5358, listed under schematics in the index.

Component documentation for the 2SC3183 transistor, supplied as a 106 KB PDF and listed under schematics.

Part documentation for the 2SA1932, supplied as a 197 KB PDF. The file is listed as a schematic, but the name holds only the component number, so treat it as a…

Datasheet-style PDF of 166 KB for the 2N4125, with an RE suffix appended to the part number; the name does not explain it, so treat it as a possible alternate or revised…

PDF document of 123 KB titled only 274001, an uninformative numeric name that does not identify the manufacturer or what is covered.

Filed under schematics, the 49.1 KB PDF named 75SLQ060 gives no device, motherboard or revision information.

Tiny 14.4 KB PDF titled 25C020, filed under schematics with no brand, board or device named.

Named only 20ETS, this 72.2 KB PDF is filed under schematics and describes no specific device, board number or revision.

Short PDF document, 155 KB, covering the 6TQ series and classed as a schematic. The name identifies only a series code, with no laptop model or board number, so treat it…

Circuit diagram in PDF form for the X55C, with an additional RG suffix whose meaning the name does not explain. The file is 1.39 MB and opens in any PDF viewer.

PDF schematic of 1.26 MB labelled M920 with a PVT tag, meaning the Production Validation Test stage of the design, which is usually close to the final mass-production…

Zipped schematic for the Compal LA-A481P notebook board, 1002 KB, which the name says contains a PDF. No brand, model or revision is given.

Apple logic board schematic for 820-2915 at revision A, an uncompressed PDF of 1.99 MB.

Spanish-language guide titled Principales fallas en celulares, the main faults in mobile phones, a 1.34 MB PDF not tied to a specific model or brand.

Decrypted PDF schematic for board V330, with the suffix 71 most likely marking revision 7.1.

PDF schematic for a HuaQin-designed notebook board with project code NB2372, packed in a RAR archive of about 1.2 MB.

Schematic in PDF form for the Gigabyte GA-F2A85XM-HD3 motherboard, revision 1.2, packed in a 770 KB RAR archive.

PDF schematic for the ECS B460H6-M14 motherboard, packed as a 1.24 MB RAR. The name gives no revision, so compare the version silkscreened on the board before using…

PDF schematic for the Gigabyte GA-H87-HD3, marked R11, packed in a RAR archive of about 1 MB.

PDF document filed under the name BQ24765, which matches a Texas Instruments battery charge controller part number used in notebook power circuits.

Small 173 KB PDF named dos vas, a short and uninformative title that most likely refers to a dual VAS layout, the voltage amplifier stage of a class AB power amplifier.

Soft start circuit schematic, saved as a 1.78 MB PDF; the note in the name indicates it was converted from another format.

Gigabyte GA-H77M-D3H schematic in PDF, with the R12 token likely meaning revision 1.2, packed in a RAR archive.

Troubleshooting guide in PDF for the Samsung SM-A115 smartphone, archived as a 4.14 MB RAR.

Schematic in PDF for the MSI MS-7392 motherboard, revision 1.2 as given in the name. MS-7xxx is the numbering MSI uses for its desktop mainboards, and the same number…

Schematic in PDF form for the ASUS G752VL gaming laptop, packed as a RAR archive of about 1 MB, with an RG suffix in the name.

Schematic PDF of 1.94 MB whose file name is a random string and gives no model, brand or board number.

Lenovo P70 phone schematic diagram and service manual, supplied as a ZIP archive of 1.62 MB that opens natively in most operating systems.

Very large 7-Zip archive of 1.61 GB whose Russian name simply means schematics, so it gives no hint of the brands, models or boards included.

Schematic for the Apple logic board 820-2533, supplied as a 1.66 MB RAR archive. Apple uses 820 part numbers to identify its logic boards, printed on the PCB itself.

ASUS A6J notebook schematic supplied as a 1.35 MB PDF, with no revision stated in the file name.

Schematic for an MSI board built around the Pentium M processor and the Intel 855GME chipset.

Repair guide for the ASUS X555LD notebook in a 1.39 MB PDF, catalogued as a schematic. Such documents usually combine circuit pages with diagnostic notes on power…

Diagram document for the Apple iPhone SE in PDF format, 2.10 MB in size; the name calls it a diagram and gives no board number or revision.

Schematic covering X51C and T12C, as named in this 1.58 MB PDF, suggesting one document shared by two related models.

Lenovo Yoga Slim 7 15IIL05 schematic in PDF form, for the Quanta-built board DA0LS2MBAH0, project LS2, revision 0A, packed in a 1.41 MB RAR.

Schematic for the Gigabyte GA-H170-GAMING 3 desktop motherboard, revision 1.01, supplied as a PDF packed inside a RAR archive of about 1.2 MB.

Schematic in PDF form for the Dell Latitude 5420, Compal X12 project, board LA-K491P revision 2.0, document A01 dated 30 November 2020.

Schematic in PDF form for the Lenovo ThinkPad E15, board NM-C421 revision 1.0, with the codes FE4A0 and FE5A0 named in the title, packed into a 6.47 MB RAR.