Catalogued as a schematic, the 210 KB PDF titled 30HFU appears to be a datasheet for a family of power rectifiers sharing that prefix rather than a circuit diagram, as…

A 293 KB PDF filed under schematics and titled 28F001, which belongs to the 28F flash memory family, usually a 1 Mbit boot block device.

Reference document for a part numbered 27lc020, stored as a 163 KB PDF under the schematic category.

Datasheet-style PDF, 110 KB, carrying the part number 27l2048 and placed in the schematic category.

A 229 KB PDF filed as a schematic, though its name, 25RIA, reads like a semiconductor part number rather than a board number, so the content is most likely a component…

A 228 KB PDF whose title, 30CTQ050, looks like a discrete semiconductor part code, indicating a component datasheet rather than a board-level circuit diagram.

PDF, 223 KB, named 30CTQ035, which follows the numbering of a discrete semiconductor rather than a board design, pointing to a component datasheet in the schematic…

Datasheet document of 679 KB named 25C08, filed as a schematic with no device or brand attached. The code matches the 25-series SPI EEPROM pattern for an 8 Kbit part.

Named for the Catalyst Semiconductor 24WC129, this 74.3 KB PDF is catalogued as a schematic but serves as the part datasheet for a 128 Kbit class I2C serial EEPROM.

Catalogued as a schematic, this 58.1 KB PDF concerns the Catalyst 24WC03, a small I2C serial EEPROM, and in practice is its datasheet.

PDF of 259 KB whose name, 24c02a-16a, suggests a combined datasheet covering a family of 24-series I2C EEPROMs from the 24C02A through the 24C16A range.

PDF of 146 KB that groups several part numbers in its name: 24C02, C02R and W02, apparently related 2 Kbit (256-byte) I2C EEPROM variants covered in one datasheet.

PDF datasheet for the 24AA014 and 24LC014, compact 1 Kbit serial EEPROMs on the I2C two-wire bus.

A 176 KB PDF listed as a schematic and named 20ETS08S, with no device, board number or revision given.

Part five of a multi-part PDF set labelled 16M-DRAM, filed as a schematic and only 145 KB, which suggests a short closing section.

The fourth section of a numbered 16M-DRAM document collection, stored as a 536 KB PDF and indexed as a schematic. The title says only that it concerns 16-megabit DRAM.

RAR archive of 3.64 MB holding a schematic in PDF form, labelled ST5DB; the name gives no brand, revision or board number, so the contents must be checked after…

Schematic marked Sony GD1A in PDF format, 733 KB, with no VAIO model or MBX board number in its name.

Second copy of the M9A0 MP schematic, a 945 KB PDF that is slightly larger than the other file with the same code and may therefore carry a different revision or extra…

Lenovo schematic in PDF form, 1.16 MB, named only with the code 80A. That token gives no clear model, board number or revision, so open the document and read its title…

PDF schematic identified only as the HP 6515b, with no ODM board number or revision in the name. The document is 1.03 MB and opens in any PDF reader.

Schematic in PDF format, compressed into a 2.86 MB RAR archive, for motherboard 14058-2, a number in the Wistron numbering style; the -2 ending suggests a later revision…

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 document about coils, the file name meaning inductors, a 1.17 MB PDF. No device or board is mentioned, so it is general material on how inductors work, how they…

ZIP archive of 1.98 MB with a generic name that gives no device, brand or board number; it is catalogued as schematic material and presumably holds one or more PDF…

Huawei P30 schematic collection packed in a 1.32 MB zip; the name gives no board number or revision.

Schematic archive for a phone coded A525F, a code consistent with Samsung's SM-A525F, with the M suffix likely denoting main board drawings, packed into a 416 KB zip.

Lenovo schematic in PDF for motherboard NM-E211, 2.42 MB. NM-xxxx numbers follow the pattern used by LCFC, the Lenovo affiliated ODM that designs many ThinkPad and…

Touchscreen section of the Samsung Galaxy A30s (SM-A30S) service schematic, delivered as a 4.30 MB PDF.

Backlight circuit page from the Samsung SM-A30S schematic, stored as a 4.29 MB PDF. It covers the display lighting driver, typically the boost converter, inductor, diode…

Audio schematic for the Samsung SM-A21s covering microphone, loudspeaker and earpiece, PDF, 3.82 MB.

Samsung SM-A21s fingerprint reader schematic, delivered as a 3.82 MB PDF. The page documents the fingerprint sensor circuit, generally the connector, supply and…

Cellular network section of the Samsung SM-A11 schematic, saved as a 4.33 MB PDF. It covers the RF transceiver area, power amplifiers, antenna switches, filters and the…

Audio section of the Samsung SM-A11 schematic covering the microphones, loudspeaker and earpiece, as a PDF of 4.33 MB.

Backlight circuit of the Samsung SM-A11 schematic, delivered as a 4.33 MB PDF. It shows the backlight driver, its boost inductor, diode, output capacitors and the LED…

Samsung SM-A10 backlight circuit schematic, 2.25 MB PDF. It covers the LCD light driver, its boost inductor and diode, and the output lines feeding the display…

Cellular network section of the Samsung Galaxy A02s (SM-A02S) schematic in PDF format, 3.70 MB.

Service manual in PDF, 2.16 MB, with only the suffix SA in its name, so the device, brand and model cannot be determined from the title alone.

Schematic in PDF format named only A, giving no indication of the device, brand or board it covers.

BM5070 schematic as a 2.45 MB PDF, with the name giving only this code and no brand, model or revision.