The 2SA1869 is covered by this 174 KB PDF, a PNP bipolar transistor in the Japanese JIS 2SA series.

A 52.2 KB PDF in the schematic listing, labelled simply 2N6487, a part number from the JEDEC 2N discrete semiconductor series.

Filed as a schematic, this 271 KB PDF is named after the discrete part number 2N5684 with an unexplained RE suffix, which may indicate a reissued edition.

Only the part number 1SS374 is given in the name of this 68.5 KB PDF, so treat it as a component specification rather than a board schematic.

A 42.7 KB PDF datasheet for the 1N5391 diode, listed here as a schematic although it covers a single component.

Covering the range 1N821 to 1N829, this 41.9 KB PDF is a series datasheet for a family of JEDEC 1N diodes, despite being indexed as a schematic.

Named simply 80SQ, this 125 KB PDF is indexed as a schematic, but the code looks like a series designation for a rectifier diode family rather than a circuit diagram…

An uninformative name, 80CNQ, labels this 124 KB PDF filed among schematics. Without a suffix the file probably covers a whole component family rather than one rating…

Catalogued as a schematic, this 67.2 KB PDF has the short name 45L-D and no laptop model, brand or board number.

Short code 36mb identifies this 86.7 KB PDF, listed among schematics, yet it names no model, manufacturer or board revision and looks more like a component series label.

Compact 65.6 KB PDF stored as a schematic and labelled 28LV64A, part of the 28LV64 low-voltage EEPROM naming family, with the A suffix indicating a specific variant.

PDF of 99.2 KB titled 25C64-128 and stored with schematics, apparently covering 25-series SPI serial EEPROMs in 64 and 128 Kbit densities.

A compact 77 KB PDF filed as a schematic, named 24WCXX, which refers generically to the Catalyst Semiconductor 24WC series of I2C serial EEPROMs; the name gives no…

PDF reference of 112 KB covering the 24LC01 and 24LC02 serial EEPROMs, 1 Kbit and 2 Kbit two-wire memories sharing a common pinout.

PDF of about 140 KB covering two groups of the 24Cxx serial EEPROM family, labelled XX1 and XX2 in the name, likely corresponding to different density ranges or data…

Datasheet in PDF for the 24AA00, 24LC00 and 24C00 serial EEPROMs, the smallest parts of this I2C family with only 128 bits of storage.

PDF document of 76.9 KB named 23SC1604, listed in the schematics section. Apart from the part number the name gives no detail about the manufacturer or function, so the…

Named 20MT40KB, this 127 KB PDF is classed as a schematic, though the name does not identify any device, board number or revision.

Indexed under schematics, this 87.3 KB PDF carries the code 20ETS-FP and does not mention a laptop model, board number or revision.

PDF of about 158 KB named 8TQ, filed as a schematic. In International Rectifier and Vishay numbering the TQ family denotes Schottky rectifiers, and a series-level name…

Duplicate of the Compal LA-A972P schematic: a 1.19 MB PDF with a copy suffix in its name, probably identical to the other file of that size.

PDF schematic for the K72JK motherboard, an ASUS-style model code, though the name gives no revision.

Spanish-language PDF titled semiconductores, 2.49 MB, with no device or brand stated in the name.

Spanish reference on SMD coils or inductors, a 273 KB PDF covering surface-mount types found on modern boards. The name gives no device.

Portuguese-language handout on basic electronics, filed under schematics although the name points to a study booklet rather than a circuit diagram of a specific device.

Second chapter of a Spanish course introducing cellular phones and their technology, saved as a 503 KB PDF.

SIM card reader schematic for the Samsung SM-A21s, PDF, 3.81 MB. The page covers the SIM socket circuit, usually its supply, clock, reset and data lines plus protection…

Depth camera schematic for the Samsung SM-A21s covering the 2MP depth sensor, PDF format, 3.82 MB.

Charging and USB data section of the Samsung SM-A11 schematic, saved as a 4.34 MB PDF. It covers the USB connector, overvoltage protection, charger IC, battery connector…

SIM card circuit page from the Samsung Galaxy A02s (SM-A02S) schematic in PDF format, 3.70 MB.

Schematic PDF with an uninformative name, IO, which suggests an input/output or daughter board but states no device, brand or board number.

Schematic in PDF form whose name, a bare number 24760, gives no model, brand or board number.

Schematic for the V330 graphics board in what appears to be revision 5.0, provided as a decrypted PDF of about 977 KB.

Persian-language PDF of 377 KB whose title translates roughly as Western hard drive repair, indexed as a schematic.

Schematic collection for the Studiomaster PA series in a 2.65 MB PDF, apparently covering several models in that range, although the individual model numbers are not…

Schematic in PDF for MSI boards MS-7B47 and MS-7A68, revision 1.0, packed in a RAR. The circuit diagram covers power stages and signal paths, helping a technician check…

Schematic set in PDF format, packed in RAR, for Compal boards LA-H482P and LA-H492P. LA-xxxxP numbers follow Compal's scheme, so the boards may ship under various laptop…

Schematic PDF for the Compal LA-L171P mainboard, code name GOG20, covering GPU variants GTX1650, RTX3050D and RTX3050TI.

Schematic for the Gigabyte GA-Z68X-UD4-B3 desktop motherboard, revision 1.0, packed as a PDF inside a 1.11 MB RAR archive.

Circuit schematic for the ASUS GA503QS laptop, revision 2.0, as a PDF inside a 9.46 MB RAR archive.