Electronics-for-beginners guide in Spanish, a 5.77 MB PDF filed under schematics but by its title an educational text rather than a device diagram.

Spanish-language colour reference on LEDs for TV backlights, edition dated June 2019, 2.01 MB PDF, part 06 of a series.

Spanish guide on using the multimeter, a 262 KB PDF catalogued as a schematic but serving as basic training. No device or board number is stated.

PDF document of 885 KB whose Persian file name translates as oscilloscope, which suggests a guide or tutorial on using an oscilloscope rather than a schematic for a…

Service documentation for the LG K130F phone, packed into an 18.5 MB RAR. LG SVC manuals normally include disassembly steps, troubleshooting guides, block and circuit…

Troubleshooting guide in PDF format, 1.65 MB, for model S7262, which corresponds to a Samsung Galaxy Star Plus dual-SIM handset, though no brand is given in the name.

Boardview for the ASUS CS-B desktop motherboard, revision 1.03C, contained in a 132 KB RAR archive.

BIOS for the Lenovo ThinkPad T490, T590, P53s and P43s, which share firmware, at version N2IET29W.

Intel 860 chipset material at revision 1.2, compressed into a 6.64 MB RAR file; the 860 targeted dual Xeon workstations with RDRAM memory.

FZ boardview for the ASUS X450VC, mainboard revision 2.0, zipped at 819 KB with Disable RAM guidance.

PDF of 2.02 MB catalogued as a schematic, but the name sluuba6 says nothing about the device.

Troubleshooting archive for the Samsung I9500, the Galaxy S4, compressed as a RAR of about 16.4 MB.

Fix package for the Dell 3521 presenting seven beeps and no display, an 8.55 MB RAR whose size suggests a BIOS dump plus guides or schematic files.

Training course material on basic electronics repair, 7.26 MB PDF, catalogued with schematics although it is an educational guide rather than a board diagram.

Full family datasheet, 1.66 MB PDF, for the tiny25, tiny45 and tiny85, consistent with the Atmel AVR ATtiny25/45/85 8-pin microcontrollers.

Reference sheet in PDF format, 236 KB, describing LVDS connector pinouts. The name names no device or panel model, so treat it as a generic guide to low-voltage…

Word document in Russian whose title translates to instructions for using tserver. The name does not explain what tserver is, so it is probably a guide for a server-side…

A 407 KB PDF for the 2SK2602, a part number following the Japanese JIS convention in which 2SK designates an N-channel field-effect transistor.

The 2SC4861 datasheet appears to be what this 117 KB PDF contains, although it is filed in the schematic category. Only the part number is stated.

Catalogued among schematics, this 254 KB PDF is titled with the JEDEC part number 2N5630 plus an RE suffix of uncertain meaning.

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

Datasheet PDF for the SED1330, around 388 KB, an Epson LCD controller from the same family as the SED1335.

Second part of the Main Laptop Parts Explained training series, delivered as a 1.16 MB RAR archive with no device or board specified.

Disassembly and reassembly guide for the Samsung SM-A325M, a 1021 KB PDF from the service manual.

PDF manual of 1.64 MB for a product named Rhos; the name gives no device type, model number or board identifier.

Troubleshooting guide for the Samsung Galaxy A7 2017, model SM-A720F, as a 1.57 MB PDF; the trailing 7 in the name may denote a chapter or revision but is not explained.

Troubleshooting guide in PDF for the Samsung SM-A105FN, the Galaxy A10 model code, contained in a 1.29 MB RAR archive.

Short MSI reference document describing the power up and power down sequence, a 136 KB PDF with no board number or model named.

Boardview for Compal board LA-7452P, revision 1.0, PCB version A00, project code PLW00, supplied as BDV and CAD files.

Persian-language PDF whose title translates roughly as how to test electronic components.

Schematic PDF for the ASUS GX502GX gaming laptop, with the name also referencing GX502 and GU502 models, compressed as a RAR of about 14 MB.

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

Troubleshooting manual in PDF for the Samsung Galaxy J7, model SM-J700F. Samsung TSHOO sections guide the technician through diagnosis of common faults, pointing to the…

Schematic PDF for the G501JW laptop mainboard, 1.30 MB, tagged RG as on ASUS repair guide schematics, with no revision in the name.

Spanish tutorial PDF on how to read a schematic, credited to ABCtecnologyspro. It is a training document rather than a diagram for a specific device, and it likely…

Schematic diagram and service manual for the Lenovo S660, packed in a small 295 KB RAR archive.

Lenovo A800 phone circuit diagram and service manual, packaged as a 598 KB RAR file. The name does not state a board number or revision, so compare the silkscreen code…

Schematic diagram and service manual for the Xiaomi Mi 6 smartphone, a 733 KB RAR archive.

Huawei C8813 smartphone service archive in RAR format, about 7.58 MB. The file name does not say what documents are included, so extract it and review the contents…

Sony training material in PDF describing the WAX2T LCD TV chassis. Training guides usually explain block diagrams, board functions, signal flow, power sequencing and…