At 108 KB, this PDF is labelled with the transistor type 2SC4221 and nothing else, so no board, model or revision is identified.

Datasheet-type PDF for the 1SS393, 68.8 KB in size and indexed under schematics. The name gives only the part number with a trailing underscore, with no brand, model or…

PDF of 102 KB listed under schematics with the name 400U080D. The name provides no laptop model, board number or revision and reads like a semiconductor part number with…

Listed under schematics, this 56.0 KB PDF carries only the short code 63cnq, without a full suffix, brand, model or board revision.

PDF of 59.1 KB labelled only 30BF and listed as a schematic, with no model, brand or board number provided.

A schematic-category PDF of 223 KB named 20CTQ, without any device model, board number or revision in the name.

Filed under schematics, this 202 KB PDF carries only the code 20CJQ060, with no board, model or revision in the name.

Named simply 18TQ, this 180 KB PDF is catalogued as a schematic but appears to cover a component series rather than a board, since no voltage suffix, model, board number…

Schematic for the Compal LA-5752P laptop mainboard, an 837 KB PDF. Only the board number is given, with no model, brand or revision.

Learn Arduino, a Spanish guide in a 5.69 MB PDF focused on the Arduino microcontroller platform rather than repair of a specific device.

Schematic in PDF form identified only by the Quanta board number DA0AX2MB6E1, without a laptop model in the name.

PDF schematic of 212 KB titled USB, without any model, brand or board number in the name.

Schematic for Compal board LA-B012P, with revision given as r10, probably meaning 1.0, in a 3.06 MB PDF.

Archived PDF schematic for the HP ProBook 4431s, UMA version with integrated graphics only, on board 6050A2398701.

Unlabeled schematic PDF of about 1.19 MB; the file name is a coded string with no model, maker or board reference.

Circuit schematic for the Quanta BQ2L laptop board, revision 1A, as a 1.20 MB PDF. The name gives the Quanta project code and revision but nothing about the retail model…

Schematic in PDF for the Gigabyte GA-G41M-Combo desktop motherboard, revision 1.3, compressed as RAR.

PDF schematic of about 979 KB carrying only the code KL2D, with no brand, model or board number given.

PDF schematic for the Quanta ZQS motherboard, delivered in a 1.69 MB RAR archive. The name gives only the Quanta project code, with no laptop model or revision stated…

Schematic PDF for the HP G42 laptop, Intel version on Quanta board DAAX1JMB8C0, in a compact RAR under 1 MB. Quanta's DA...MB...0 code identifies the AX1J project.

Short Spanish PDF course on the oscilloscope, 375 KB, with no device or model associated. It is study material, not a circuit diagram.

Laptop schematic PDF labelled 4752 with the project code JE40 HR MB, where MB indicates the mainboard.

Schematic set for the Samsung i9505, the Galaxy S4 LTE model, in a sizeable 29.0 MB ZIP.

Quanta schematic for the TWH platform, board DATWHMB18D0, covering models listed as A560 and A580, provided as a 1.61 MB PDF.

Schematic diagram for the HP Compaq nx6120 business notebook, provided as a 941 KB PDF.

Schematic covering the HP G4, G6 and G7 notebooks on the AMD platform, a 900 KB PDF that names no ODM, board number or revision.

HP ENVY 17 schematic in a 1.19 MB PDF, with no ODM, project code or revision given in the file name.

Disassembly and reassembly guide in PDF form, 1.11 MB, with no device or brand named in the file name.

Compact 844 KB RAR containing schematics for the Wistron KS3 board, revision R1. No brand or laptop model is mentioned in the name.

A duplicate of the Quanta EW6 circuit schematics at revision 1A, the same size as the other copy. No brand or model information is present in the name.

Quanta SW9 notebook mainboard schematic at revision 1A, in a 1.33 MB PDF. The brand and model of the finished laptop are not named, so identify the board by the SW9 code…

Schematic for the Quanta EW6 board at revision 1A, 665 KB. The name does not identify the notebook brand or model, so rely on the EW6 marking on the PCB to confirm…

Schematic in PDF form labelled Foxconn V030, mass-production revision R1.3, catalogued under ECS and 2.71 MB in size.

Compal LA-9868P schematic at the R0.2 development revision, compressed into a 984 KB RAR archive.

Revision 0.2 schematic for the Compal LA-5671P board, packed as a RAR of about 372 KB. Compal assigns LA numbers to the motherboards it manufactures for different…

Full schematic for the Compal LA-2301 laptop board at revision R1.0, compressed into 1.29 MB RAR.

Schematic set for the Nokia N72 Symbian phone in a 1.79 MB PDF. The file name names only the model; no board number or revision is provided, so check the main board…

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

Circuit diagram titled Z84F, provided as a 1.03 MB PDF with no brand or revision in the name.

Schematic for Sony mainboard MBX-163, with MS60 in the name, likely the ODM project code for the design.