Small 31 KB PDF schematic of an IO board for a project code-named Michigan, version A01 with a 0312 tag, probably a date.

Service documentation for the ASUS ZE550KL handset, combining circuit schematics and a service manual in a 9.71 MB ZIP archive.

Lenovo S860 schematic diagram and service manual, bundled in a 949 KB RAR archive. The name lists no board number or revision, so check the PCB markings against the…

Schematic and service manual pack for the Lenovo S820 smartphone, compressed as a 2.29 MB RAR file.

Lenovo S680 service documentation consisting of a schematic diagram and service manual in a 1.53 MB RAR archive.

Lenovo P770 smartphone repair documents: schematic diagram and service manual in a 646 KB RAR archive.

Service manual in PDF for the Samsung SM-A115M, the Latin American Galaxy A11, about 21.8 MB, credited by name to Anibal Garcia.

Service manual for the Samsung SM-A115F, the international Galaxy A11, delivered as a 21.8 MB PDF credited to Anibal Garcia. The name is in Spanish.

Nineteenth issue of the Spanish series El mundo de la electronica, a 1.70 MB PDF aimed at learning electronics.

Quanta UM3B schematic in PDF form, about 2.9 MB, with no brand, model, board number or revision in the name.

Circuit diagrams for the MSI MS-7501 motherboard in a 10.8 MB RAR archive, larger than most in this series and possibly holding several pages or revisions.

Circuit diagram set for the Dell Latitude E6320, manufactured by Compal on mainboard LA-6611P.

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.

Maintenance manual in PDF for the Huawei MediaPad 10 FHD tablet, filed here under schematics.

Samsung NP-R560 laptop schematic, a 1.68 MB PDF; the name states the model but not the board code name or revision.

Small 62.2 KB PDF covering the peripheral circuitry (periferie) for the Quanta ZG5 board, likely the daughterboard or connector section rather than the full mainboard.

Circuit diagram for the Samsung SGH-X830 handset, in a 630 KB PDF. SGH is Samsung's prefix for its older GSM phones. The name gives no board revision.

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.

iPhone X schematic in PDF format, 1.23 MB, tagged with a contributor handle in the name.

Lenovo E40 circuit diagram as a 1.38 MB PDF, whose name states the model alone. Board number, designer and revision should be read from the pages, and a similarly sized…

Schematic PDF of 672 KB whose name only gives C660, most likely a model designation, with no brand, board number or revision stated, so the exact device has to be…

Schematic for Dell motherboard LA-J181P, made by Compal, as a 2.12 MB PDF with no revision stated in the name.

PDF reference for the 74HC595, an 8-bit shift register with storage latches and three-state outputs, at 367 KB, filed under schematics.

Large 962 KB PDF for the LM324P, the quad operational amplifier in a plastic DIP package, as the P suffix commonly indicates.

Small 57.3 KB PDF for the 2SC5060, filed under schematics though the name suggests a transistor part sheet.

PDF for the 2SC1172, 74.4 KB, listed among schematics with no further detail in its name.

PDF document for the IRFP260 power MOSFET, catalogued under schematics although the name points to a component datasheet.

Document for the 3DD304X, stored as a 489 KB PDF and catalogued under schematics, though the name suggests a component datasheet.

At 312 KB, this PDF for the 2SD2638 is the largest in its series and is probably a full datasheet with curves and outline drawings, though it is filed under schematics.

Small PDF of 92.1 KB filed under schematics, though its name is simply the part number 2SD1998, so it is almost certainly a component datasheet rather than a board…

PDF of 77.6 KB named 2SD1620 and filed with schematics; the name carries nothing beyond the part number, which points to a component datasheet.

PDF of 43.6 KB for the 3N252, listed under schematics though the name is a bare JEDEC part number.

Filed under schematics, the 39.8 KB PDF 2SD2441 with an E tag refers by its JIS-style 2SD prefix to an NPN bipolar transistor.

Component documentation for the 2SK2920, a 409 KB PDF filed under schematics in this index but almost certainly a part datasheet.

Part reference for the 2SK2862 in a 411 KB PDF, listed under schematics in this index. The name carries only the transistor number.

The 2SK2854 transistor is documented in this 125 KB PDF, indexed under schematics but almost certainly a datasheet. The name states only the part number.

PDF document for the 2SK2374 part, filed under schematics but named after a Japanese-registered semiconductor rather than a board.

The 2SK2035 transistor is the subject of this 295 KB PDF, most likely the manufacturer datasheet given that 2SK is the JIS prefix for N-channel FETs.

The 2SK1839 is covered in this 84.9 KB PDF, filed under schematics though the name points to a single semiconductor part.

Reference PDF for the 2SK1457, filed under schematics and 122 KB in size. The file name carries only the part number.