Schematic for Dell motherboard LA-J181P, made by Compal, as a 2.12 MB PDF with no revision stated in the name.

HD photographs of the ASUS FX505DY mainboard, revision 2.1, packed in a 23.2 MB RAR archive.

High-definition photo set of Inventec mainboard 6050A2371701, revision MB-A01, compressed in a 19.9 MB RAR archive, with no laptop brand or model given in the name.

Part reference for the 3N250, stored as a PDF of about 43.6 KB and catalogued in the schematic section.

PDF documentation, 431 KB, for the 2SK2883 N-channel FET, placed in the schematic section of the catalogue.

A 291 KB PDF dedicated to the 2SK1830. The 2SK code is the Japanese JIS designation for N-channel field-effect transistors, so this is almost certainly a datasheet…

The 2SK1489 named here is a discrete transistor code: under JIS numbering, 2SK denotes an N-channel field-effect transistor.

Datasheet for the 2SD882 NPN transistor in a 165 KB PDF; the file name does not state which manufacturer issued it, unlike the UTC versions in the same set.

PDF reference for the 2SC4881, 183 KB in size, categorised under schematics. Only the part code is given, which in JIS naming indicates an NPN bipolar transistor; maker…

Reference PDF, 99.3 KB, for the 2SC3994, listed in the schematic category but named like a transistor datasheet.

Covering the 2SC3914, this 30.1 KB PDF belongs to the family of JIS-numbered NPN bipolar transistors identified by the 2SC prefix.

Datasheet-style document for the 2SB1424, indexed as a schematic and supplied as a 102 KB PDF. Nothing beyond the part number is stated in the name.

PDF document of 196 KB identified only by the part number 2SA2058. Under the Japanese JIS convention, 2SA parts are PNP bipolar transistors, so this is almost certainly…

The 2SA1865 PNP transistor is described in this 55.3 KB PDF, identified solely by its JIS part number.

PDF document of 47.8 KB listed as a schematic and named 2PC1815, issue 3 by the trailing number.

Here the 2N4123 is covered by an 83.6 KB PDF, the plain-named version alongside an RE-suffixed file for the same number.

PDF datasheet of 73.0 KB for the 2N2906 transistor, stored in the schematic section of the index.

Only the part number 1SS336 appears in this 68.3 KB file name, and the PDF is filed under schematics.

Datasheet in PDF form, 23 KB, for the 1N4154 small signal switching diode. The name holds no further details such as vendor or revision, so those must be read from the…

The file name 1N759A identifies a JEDEC 1N diode with an A grade suffix, so this 50.3 KB PDF is probably a datasheet, catalogued here under schematics.

A 72.8 KB PDF indexed as a schematic and titled 110mt080kb, a code in a component part-number style with no reference to any laptop, board number or revision.

Datasheet in PDF covering the 93C76 and 93C86 serial EEPROMs, the 8 Kbit and 16 Kbit members of the 93-series Microwire family, in a single combined document.

Compact PDF of about 91 KB covering the 93C46 serial EEPROM, the 1 Kbit member of the 93-series Microwire family; the _3 suffix appears to mark a document revision or…

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

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…

Copy of the Compal LA-5752P schematic, a PDF of 837 KB with a (2) suffix. It likely duplicates the other files of the same size.

Raw 16 MB BIOS dump for a Quanta-made board DA0NJJMBAG0, revision G, stored as an uncompressed .bin image.

H46Y board schematic supplied as a PDF within a RAR archive of about 1.43 MB. No brand, model or revision appears in the name, so check the code printed on the…

Tiny RAR archive of just 1.05 KB for board 08628-1, a number in the Wistron numbering scheme.

Spanish PDF, 474 KB, titled CDMA and FSK and numbered 5, apparently a chapter in a communications course.

Zip archive named A055F, a code consistent with Samsung's SM-A055F phone model, 1.73 MB in size, with no mention of whether it holds schematics, layouts or other service…

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.

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…