Brief 41.1 KB PDF for the 2SA921, with an _E suffix in the name that likely marks an English-language edition, though that is not certain.

Datasheet-sized PDF, 46 KB, listed as a schematic for the part 2PA1774J, with the trailing 2 most likely a document revision.

Component document in PDF form, 47 KB, named 2PA1774 with a suffix 2 that likely denotes the sheet issue.

Covering the 6A05 to 6A10 series, this 198 KB PDF appears to be a datasheet for a family of 6 A rectifier diodes rather than a device schematic.

Filed as a schematic, this 531 KB PDF carries only the bare number 28040 in its name, with no manufacturer, device model or revision stated.

At only 53.7 KB, this PDF named 85hq is listed as a schematic and carries no brand or board information.

Only the code 35sgq060 is given for this 47.7 KB PDF, which is categorised as a schematic.

Indexed as a schematic, 35cgq100 is a 44.1 KB PDF whose name resembles a semiconductor part code rather than a board number; no device, brand or revision is given.

Bearing only the code 35cgq045, this 49 KB PDF sits among schematics but looks like a reference for a single component rather than a board.

At only 23.6 KB, this PDF named 30WQ04FX is probably a brief datasheet or ordering note for a discrete rectifier, despite being indexed as a schematic.

The 78.6 KB PDF 30SLJQ045 is labelled a schematic, yet the name follows the pattern of a rectifier diode part number, pointing to a single-part datasheet.

A small PDF filed as a schematic, named only 30FQ, which reads like a component part number rather than a board or laptop model.

Circuit diagram in PDF form for a mainboard coded Z84J, with no manufacturer or model given in the file name.

Schematic document for a Z62HA mainboard, delivered as a 1.15 MB PDF. The name carries no brand, platform or revision information, only the board code with its HA…

PDF schematic for the Sony MBX-163 laptop motherboard, with MS60 in the name, probably the ODM project code tied to this board; the file is 1.04 MB.

Compact zip archive of 1.10 MB holding a schematic, named only with the model code x6812 and listed under Tecno and Infinix.

Samsung SM-F700F schematic set, delivered as a 2.06 MB ZIP, the model code belonging to the original Galaxy Z Flip. No board revision appears in the name.

PDF schematic for LCFC board NM-F861, used in a Lenovo laptop. The NM-xxxx numbering belongs to LCFC, the Lenovo and Compal joint venture responsible for many Lenovo…

Spanish-language course chapter on basic electronics, provided as an 817 KB PDF and apparently the same content as the numbered topic 2 of the series.

Topic 4 of a Spanish mobile repair course, explaining how to identify the parts of a smartphone, as a 404 KB PDF identical in size to the unnumbered copy.

Portuguese list of common defects and possible solutions for reported problems, written as a troubleshooting guide.

ASUS desktop motherboard schematic for the P5KPL-AM, with an IN suffix that likely marks a regional variant.

Schematic in PDF form for a Sony laptop motherboard with the Quanta code DA0HK9MB6D0, revision 1A.

Schematic PDF titled BM5070, 2.45 MB, with no brand, model or revision in the name. BM5070 appears to be a board or project code, so check that the same marking is…

Block diagram and layout document for the Samsung SM-S901U, dated 220203, stored as a 3.41 MB PDF.

Samsung Q20 schematic, a 5.24 MB PDF whose name lists the model and a website tag but no board number or revision.

ThinkPad SL410 schematic, a 1.32 MB PDF, with GC2A-0622 and the codes GC1A and CG1B listed in the name, which look like board or project identifiers.

Schematic diagram in PDF for the Gigabyte GA-H110M-S2 motherboard, revision 1.0, built around the Intel H110 chipset that the model name indicates.

PDF schematic for the ARDOR Gaming NEO N15-I5ND410 laptop, built on the NP50RNAB platform with SM in the name likely denoting the service manual or schematic set.

Schematic for the LG R510 with a 15.4 inch widescreen display, as stated in the name, supplied as a PDF compressed in a 781 KB RAR.

Schematic for the Acer Aspire F5-522 laptop, Quanta motherboard DA0ZABMB6E0, supplied as a 2.00 MB PDF.

Schematic in PDF form for the Clevo N770WU laptop, motherboard 6-71-N75W0 with the D02 revision code.

Schematic for the MSI MS-7A38 motherboard; the name shows VER 10, likely revision 1.0, along with a document number 00017967.

Schematic set covering a family of HP and Compaq notebooks: HP 430, 431, 435 and 630 plus Compaq CQ43 and CQ57, built on the Foxconn Chicago platform.

ASUS ZenBook Duo UX481FL schematic at revision 2.0, a 2.95 MB PDF covering the dual-screen notebook mainboard.

PDF databook for the AMD Polaris 12 XL GPU, compressed in a 1.31 MB RAR. The reference explains the chip's pinout, power domains, memory interface and electrical…

Circuit schematic of the Gigabyte GA-78LMT-S2P motherboard, revision 5.02, provided as a PDF compressed in a 629 KB RAR file.

Repair guide shared by the ASUS K42SD, K43SD and K43SV laptops, a 837 KB PDF filed as schematic.

Circuit schematic for the ASUS Pro Q470M-C business-class micro-ATX motherboard based on the Intel Q470 chipset, in PDF form packed into a 1.22 MB RAR file.

Schematic for the Gigabyte GA-H97-DS3H motherboard, revision 1.0 (written as REV 10 in the name), in PDF form compressed into a 905 KB rar.