Very small PDF, 94.5 KB, with the numeric name 73581 and no indication of brand, device or board number.

PDF for BD9422EFV, 1.10 MB, filed as a schematic. The code fits ROHM's BD-series IC numbering, with EFV denoting the package type; nothing else is in the name, so it is…

Circuit schematic of the Orange Pi Zero Plus2, revision 1.0, as a 197 KB PDF. It documents the power tree, processor pin connections, memory, onboard storage, wireless…

Datasheet for the Maxim MAX1908, an 863 KB PDF whose name states only the part number. The overview page confirms the device function and package; parts from this Maxim…

Component document for the 74HC245, an octal bus transceiver with three-state outputs, provided as a 267 KB PDF in the schematic category.

Datasheet PDF, 312 KB, for the LM324 quad op amp, listed in the schematic category without a manufacturer in the name.

Filed under schematics, this 74.1 KB PDF is named after the 2SD1953, which in Japanese JIS numbering is an NPN transistor for low-frequency applications.

A PDF document for the 2SA1604, an 84 KB file listed in the index as a schematic but named after a single discrete part rather than a board.

Datasheet PDF of 229 KB for the 2SA1162, a PNP bipolar transistor named under the Japanese JIS 2SA convention.

Schematic PDF of 328 KB whose name, 8CLJQ045, reads like a component or part code and gives no laptop model, brand or board number.

PDF filed as a schematic for DT8211 with the DMB suffix, about 428 KB. The name gives no further description, and DMB may refer to a digital multimedia broadcast…

Full schematic set for the Nokia E60 business handset, packaged as a 4.00 MB PDF. It is the larger of the E60 diagram files and likely contains the main sheets for the…

Reference PDF, 181 KB, for the KA2923, an IC from the KA prefix series; the name contains only the part number and does not state its function, so that must be read from…

Named after the JIS part number 2SJ267, this 91.8 KB PDF most likely documents a P-channel field-effect transistor, since the 2SJ prefix denotes that device class.

Filed under schematics, 35clq045 is a 47.8 KB PDF whose name reads like a discrete part number; it does not state any device, manufacturer or revision.

PDF reference, 274 KB, for the 24C164, a cascadable 16 Kbit two-wire serial EEPROM. The file sits in the schematic category but is essentially part documentation with…

Front camera page of the Samsung SM-A20S schematic, supplied as a 4.63 MB PDF. It lays out the selfie camera connector, its supply rails, clock and data lines, and…

Small RAR containing a PDF named for a CPU socket, a generic name that gives no laptop model, board number or socket type.

PDF document for the TPS51117, a Texas Instruments synchronous step-down buck controller often found on laptop motherboards generating system or memory rails.

AMD Polaris 20 graphics chip databook, provided in PDF format inside a 1.45 MB RAR archive.

Schematic in PDF format for the Samsung SM-M315F, the Galaxy M31, at 3.28 MB. A file of this size probably contains several circuit sheets, such as block diagrams, power…

Schematic PDF for MSI MS-14B2 with main board MS-14B21, version 0A and revision A, compressed into a 1.15 MB RAR file.

PDF titled bl8526, 611 KB, classed as a schematic. Apart from the code itself the name gives no information about the device or maker, so treat it as a component…

PDF named bl8091, 958 KB, listed as a schematic. Only the code appears in the name, without device or brand, so its exact scope needs checking when opened.

Maxim datasheet covering the MAX8765 and its MAX8765A variant, a 363 KB PDF. The name lists only the two part numbers, so check the document itself to see how the…

Family datasheet from Maxim covering the MAX1630 through MAX1635 in a single 257 KB PDF.

Reference PDF for the HM9102D, catalogued as a schematic and sized at 467 KB; the name carries only the part number with no device, board or revision information.

Component document in PDF for the 2SK2555, filed under schematics although the part number points to a discrete semiconductor rather than a board.

Datasheet-sized PDF, 46 KB, listed as a schematic for the part 2PA1774J, with the trailing 2 most likely a document revision.

Combined PDF covering the 24LC04B and 24LC08B serial EEPROMs, 4 Kbit and 8 Kbit devices sharing the same I2C interface and pinout style.

Databook for the AMD Polaris 11 Pro GPU in PDF form, packed in a 1.27 MB RAR archive. It covers the chip's pin functions, power domains, GDDR5 memory interface and…

Databook covering the AMD Polaris 21 GPU, packed as a PDF in a 1.25 MB RAR. It describes the chip's ball-out, supply rails, GDDR5 memory interface and electrical limits.

RAR archive of about 20 MB described in Portuguese as schematics with voltages in PDF format; no brand or model is named, so the contents must be checked after…

Schematic document in PDF format, about 1.80 MB, filed under the name TAS6534, which looks like a Texas Instruments part number from the TAS automotive class-D audio…

Schematic for the Samsung Galaxy A10, model SM-A105F, supplied as a 1.82 MB PDF document.

Small 72.8 KB schematic PDF for a board based on the MStar MST6E182VG-LF TV controller; the Z1 suffix is part of the name but not explained.

PDF document for the AOZ5019QI, an Alpha and Omega Semiconductor integrated power stage part, catalogued here as a schematic at 611 KB.

Maxim datasheet for the MAX1909 and MAX8725, two related parts covered in one 1.05 MB PDF.

Datasheet for the BUW84 and BUW85 NPN power transistors, as stated in the name, in a 101 KB PDF indexed as a schematic.

Another copy of the BUW84 and BUW85 NPN power transistor sheet, judging by the duplicate-style suffix in the name and the identical 101 KB size.