Service guide in PDF format, 114 KB, on troubleshooting power supply circuits, filed in the index as a schematic.

A PDF guide titled How To Become a Laptop Technician From Zero to Hero, about 4.68 MB, catalogued under schematics but by its name a training book rather than a circuit…

Short Word guide (.docx, 15.3 KB) explaining how to use boardview files for laptop motherboards.

Small 170 KB RAR archive containing a guide on upgrading TP-Link ADSL modem routers based on the TrendChip chipset solution.

English repair guide in PDF form explaining how to solve the double image fault on an LCD screen, saved as a copy of an earlier file and about 413 KB in size.

PDF document of 530 KB whose name refers to lowering the current of a circuit; the title is truncated, so the exact subject is unclear.

Third edition of a beginner's guide to reading schematics, a 3.33 MB PDF. It is an educational text rather than a diagram for a specific device.

Spanish guide, 213 KB PDF, whose title translates as how to read Samsung firmware. No model or board is named, so it is a general how-to rather than a dump or schematic.

Decrypted PDF schematic for the V336 board at revision 3.0, roughly 880 KB. The V-series code resembles MSI's graphics card MS-V board numbers.

Spanish lesson on how to read a schematic, an 872 KB PDF. It is a training document rather than a diagram for a particular product, and no device or board number appears…

Spanish tutorial on learning to read a schematic, a 747 KB PDF and a separate document from other similar titles in this collection.

Schematic for the Toshiba Satellite A300 laptop, a 1.00 MB PDF whose name does not state the ODM, board number or revision.

First chapter of a Spanish course on cellular telephony, a 1.95 MB PDF filed under schematics but evidently a training lesson. It names no device or board number.

Persian-language PDF tutorial filed under schematics, its title explaining how to find a component's replacement or value from similar boards using schematics.

Programming specification from Microchip describing how to program the flash and data EEPROM memory of PIC16F87X microcontrollers, supplied as a 201 KB PDF.

Gigabyte GA-Z97-D3H circuit diagram for board revision 1.1, supplied as a PDF inside an 834 KB rar archive.

Learning document about the function generator and oscilloscope, provided as a 662 KB PDF. It is not a board schematic but material on two core bench instruments.

Chapter three of a Spanish mobile-phone training series, explaining how a phone works, as a 1.75 MB PDF.

Exploded view and parts list section of the Samsung SM-M307F service documentation, a 523 KB PDF.

PDF document titled in Portuguese as the oscilloscope, filed under schematics but with no device, brand or board number in its 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…

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

BIOS dump for Lenovo JE442 and JE542 models on board NM-E211 revision 1.0, labelled 64MB in the file name. NM-xxxx numbers belong to LCFC, the Lenovo-owned ODM.

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.

Spanish PDF titled Puntas de prueba, meaning test probes, 101 KB, with no device named.

Schematic diagram for the Xiaomi Mi 2A smartphone in a 792 KB PDF. Use it to follow how the power management circuit feeds the processor and peripherals, to locate…

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.

A compact 1.11 MB ZIP with Intel Flash Image Tool 10.0.60.3000, intended for Management Engine 10 firmware.

Second copy of a schematic for the Acer E1-472, marked EA40-HW with the number 12243, same 1.16 MB size as the original, so it is most likely an identical duplicate.

BIOS firmware for the Acer Veriton N4640G compact desktop, archived as a 5.20 MB RAR; the name gives no board number, version or chip size.

BIOS firmware archive for HP board 6050A2566302-MB-A04, revision A04, compressed to 8.99 MB.

PDF of 363 KB for the 2SK192A, listed among schematics but named after a single JIS part, with an A suffix that the name explicitly includes.

Datasheet distributed as a 172 KB PDF and named SDZS001A, a document code with a letter suffix that typically signals a revised edition.

A compact 21.2 KB PDF titled after the 2SC4080, stored as a schematic but best treated as a transistor datasheet. JIS numbering uses 2SC for NPN bipolar transistors.

Android application package of 77.9 MB with the generic name base.apk, which is how Android stores an installed app's main package.

Panasonic training document from 2015 covering curved LCD televisions, supplied as a 651 KB PDF.

Named after the 2SK1425 transistor, this 102 KB PDF is catalogued as a schematic though it is most probably the component datasheet.