Listed in the schematic category, this 139 KB PDF named 27c020 is in fact best read as a datasheet for a 27C-series CMOS EPROM.

Fairly large datasheet PDF of 705 KB named 25C16, catalogued as a schematic. The name follows the 25-series serial EEPROM convention, indicating a 16 Kbit SPI device…

Datasheet-style PDF of 275 KB identified only as 24c16, the common 16 Kbit (2 KB) I2C serial EEPROM. No vendor, board or device is given by the name.

The 276 KB PDF here is labelled 24c04, the 4 Kbit (512-byte) two-wire serial EEPROM used widely to store configuration and calibration data.

PDF of 77.6 KB for the 24C01A, a 1 Kbit (128-byte) I2C serial EEPROM. The name carries only the part number with no device or board details, so expect general datasheet…

PDF document of 226 KB with the short, uninformative name 22ria, filed in the schematics category.

Catalogued as a schematic, this 200 KB PDF is named 20CJQ030 and says nothing about a device, board or revision.

Named 16RIA, this 226 KB PDF is catalogued as a schematic but appears to describe a component series, with no device, board number or revision in the name.

Schematic archive named A217F.M, a 760 KB ZIP, with no brand recorded; the code resembles a smartphone model number, but the name states nothing further.

English PDF titled basic electronics, 583 KB, not tied to any device or board. It is reference and training material rather than a service schematic.

Spanish document about the diode, a 373 KB PDF of component theory rather than a schematic for a specific device. The name gives no product or board number.

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.

PDF named RTS545X, which refers to a Realtek RTS545x series chip, commonly a USB Type-C power delivery controller; the name gives no board or device.

PDF document identified only as OZ531, about 1.9 MB. OZ-prefixed parts come from O2Micro, a maker of power-management, backlight inverter and charger controllers, so…

PDF schematic labelled CV538H-A, a 786 KB document opened in any standard PDF reader. The name gives only this code, with no brand or device.

RAR archive holding schematic PDF material, named with A1386 and K19; the name carries little else, and no brand or board number is stated.

Schematic PDF for Quanta board DA0BLKMB6E0, project BLK as the OBLK suffix suggests. The name gives no laptop brand or model, only the Quanta board code, so identify the…

Schematic in PDF form, labelled only H46Y, compressed into a 1.43 MB RAR file. The name does not state the brand, model or board number, so confirm the target device…

Schematic in PDF for the LG K8 4G Dual smartphone, model K350DS, packed as a RAR archive.

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

Schematic in PDF form for a board identified as 7525 T3, 861 KB, with an author tag in the name.

Mainboard schematic in PDF for FL1-MB, dated 0607 and at revision R1A, about 1018 KB. Only the project code is given, so the brand and device need to be confirmed from…

PDF diagram covering the power-on (encendido, Spanish for switching on) circuit of the G532 phone, the Samsung J2 Prime / Grand Prime Plus family.

Generic file titled Product Specification, classed as a schematic, in PDF form at about 2.52 MB.

A 550 KB PDF with a Persian title meaning similar or compatible hard drives for Huawei, catalogued under schematics though it most likely serves as a compatibility list…

Small 101 KB PDF classified as a schematic, named only 9402gyt, which gives no clear device, brand or board number.

Troubleshooting PDF, 3.16 MB, named without any brand, model or board reference, so it is uninformative until opened.

Component datasheet for the 2SD1851 transistor, supplied as a 93.4 KB PDF and classed as a schematic in the index.

Documentation for the 2SD2599, a 251 KB PDF catalogued among schematics, larger than many single-part sheets and possibly containing characteristic curves and package…

A 40.8 KB PDF giving data on the 2SD2629, stored in the schematic category. Only the part number is present in the name.

A 152 KB PDF for the 2SD1816 transistor, listed in the schematic section. The name provides the part number only.

A 41.4 KB PDF datasheet for the 5LP01M, listed in the schematic section of the index. Beyond the part code the name tells nothing more; LP in this series seems to…

Filed as a schematic, this 44.1 KB PDF carries the name 2SD1450 with an _E suffix that the name does not explain; the part number points to a datasheet.

The 3SK286 is documented in a 22.3 KB PDF listed under schematics, a size and name typical of a short component datasheet.

A 69.5 KB PDF for the 3SK248, catalogued as a schematic and most likely a manufacturer datasheet for the part. Only the type number is stated.

Datasheet-style PDF named for the 3N257, roughly 42 KB and listed in the schematic category.

Datasheet-type document for the 3N251 in a 43.6 KB PDF, indexed as a schematic. JEDEC uses the 3N prefix for registered four-terminal semiconductor devices, and this…

At 180 KB, this PDF named 2SD2449 is larger than most of its neighbours and is catalogued as a schematic.

PDF of 189 KB named 2SD2440 and catalogued as a schematic. Under JIS semiconductor numbering the 2SD prefix indicates an NPN bipolar transistor, so this is probably a…

Indexed as a schematic, the 305 KB PDF named 2SK208 most likely holds the datasheet for that Japanese JIS-numbered part.