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

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.

PDF guide on upgrading firmware on a TP-Link ADSL modem router built on a TrendChip chipset solution, filed under schematics but by its title an instruction document.

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.

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 instructional PDF of about 14.8 KB explaining how to use Allegro Free Physical Viewer version 7.2, rather than a schematic for a specific device.

General guide of 1.06 MB explaining five common reasons washing machines break down and how to fix them, rather than a brand-specific schematic.

Intel SPI Programming Guide in PDF form, 913 KB, catalogued under schematics although it is a reference document rather than a board diagram.

Illustrated PDF guide on cutting the CKV and CKVB lines of an LCD panel, with NC indicating the lines are left disconnected, in a redacted edition of about 700 KB.

Duplicate copy of the redacted PDF guide on cutting the CKV and CKVB clock lines of an LCD panel and leaving them NC, the same 700 KB size as the original.

PDF repair guide for the Sony PlayStation 5 console, catalogued as a schematic and weighing 6.57 MB.

General electronics repair guide in a large 35.4 MB PDF. The name is generic and does not tie it to any device, brand or board, so treat it as reference material rather…

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.

Samsung SM-A800I disassembly guide, a 1009 KB PDF listed under schematics. Disassembly documents of this kind describe how to open the handset step by step, which screws…

Teardown and reassembly guide for the Samsung SM-A510FD dual-SIM model, 1.67 MB PDF. It shows how to separate the glass back or housing, disconnect the battery and…

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

Short Persian-language PDF, about 183 KB, whose title translates as a tutorial for changing the colour of the Pride odometer, meaning the instrument cluster of the Saipa…

Portuguese-language guide on motherboard voltage circuits, 1.93 MB in PDF. Rather than a schematic for one board, it explains how the supply rails of a mainboard are…

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

Small 102 KB RAR archive holding a PDF whose Vietnamese title concerns MOSFETs, their role and how they operate.

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

A Persian-language PDF guide, its title translating roughly as an introduction to mobile phone components, filed here under schematics at 692 KB.

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.

Vietnamese training PDF in a 198 KB RAR whose title translates to power supply circuit for the chipset.

Exploded view chapter for the Samsung SM-A325M, delivered as a 1.90 MB PDF. This part of a Samsung service manual draws every housing piece, frame, board and flex cable…

Portuguese-language PDF guide whose title translates to How to Test Electronic Components, 620 KB in size.

Vietnamese-language PDF in a 188 KB RAR whose title translates to clock generator circuit.

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

Disassembly guide for the Samsung SM-E500F, supplied as a 598 KB PDF. Although filed under schematics, the name points to a mechanical service document describing how to…

Exploded view drawing for the Samsung SM-G780G, the Galaxy S20 FE, from its service documentation, as a 2.23 MB PDF.

ASUS PDF dated 20200922 whose Chinese title translates roughly as rework instructions for thermal materials on notebook, desktop and all-in-one products.

Spanish-language i-manual covering the KDL-32W600A, KDL-32W650A, KDL-42W650A and KDL-42W651A televisions, a 3.32 MB PDF.

Basic electronics material in Spanish, with the word electronics misspelled in the name.

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

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

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

English PDF on testing electronic components, filed under schematics but in practice a general reference rather than a circuit diagram for a particular board.

Spanish PDF on powering on a Chestnut without a screen, 1.46 MB. Chestnut is commonly used as the code name for the Xiaomi Redmi 2 Prime, though the name itself names no…