A 44 KB PDF for the 2SB1473, with the _E suffix probably indicating an English version, catalogued as a schematic but by its name a component datasheet.

Reference PDF for the 2SB1438 transistor, about 44 KB, carrying an _E suffix that most likely marks the English version, and listed among schematics although it reads as…

Datasheet-style PDF of 38.9 KB for the 2SB1340, catalogued as a schematic. The Japanese JIS 2SB prefix marks PNP transistors designed for low-frequency circuits such as…

PDF for the 2SA1487, 38.8 KB, carrying an _E suffix that the name does not explain, possibly an edition or language marker.

Component document for the 2SA1451A in a 230 KB PDF, categorised as a schematic. Under Japanese JIS conventions 2SA designates a PNP transistor aimed at high-frequency…

The 2SA1438 transistor is described in this 133 KB PDF, which the index files under schematics.

Compact 41.4 KB PDF for the 2SB987, with an _E suffix not explained by the name, perhaps an edition or language marker.

PDF documentation, 75.9 KB, for the 2SA1434 transistor. Under the JIS scheme the 2SA prefix denotes a PNP transistor, and no other variant, maker or package information…

PDF of 45.8 KB titled 2sa2017, the JIS part number of a PNP bipolar transistor, as indicated by the 2SA prefix.

Datasheet-type PDF, 195 KB, for the transistor 2SA1971, whose 2SA prefix marks a PNP bipolar device under the Japanese JIS scheme.

Datasheet for the 2SA1289, presented as a 40.7 KB PDF and listed in the schematic category. Nothing beyond the part code is given by the name.

Datasheet-type PDF for the 2SA1939, roughly 170 KB, catalogued here as a schematic. The filename names only the component; the JIS 2SA prefix marks it as a PNP bipolar…

Datasheet PDF, 40.9 KB, for the 2SA1128 transistor, with an _E suffix that often denotes an English edition of Japanese documentation, though the name does not confirm…

Plain-named 2N3905 document in PDF format, 62.6 KB, catalogued with schematics but most likely a one-part datasheet.

Reference data for the 1T417 transistor in a 47.5 KB PDF, filed in the schematic section. The 1T prefix marks a germanium transistor in the old Soviet naming system.

This 47.8 KB PDF is labelled 1T379 and catalogued as a schematic. No device model, manufacturer or revision appears in the name.

A 70 KB PDF on the 1SV311 diode, catalogued in the schematics section. The 1SV prefix comes from the Japanese JIS registration system and is used by Toshiba for…

Named 93CXX and sized at 132 KB, this PDF is listed as a schematic but appears to be a generic datasheet for 93C-series Microwire serial EEPROMs.

Listed as a schematic, the 229 KB PDF titled 1B21 carries only a short code and no model, brand or revision, so its subject must be confirmed by opening it.

PDF datasheet, 425 KB, for the 93C45A serial EEPROM within the 93-series three-wire Microwire family, filed in the schematic category.

Combined datasheet in PDF covering the 93C06 and 93C46 serial EEPROMs, small low-density Microwire memories from the 93-series family, 135 KB in size.

Schematic in PDF format, 847 KB, identified only as M750 with no brand, device or revision stated in the name.

ZIP archive with a PDF schematic for a board coded IPISB-AB, 1.07 MB in size. No brand, revision or system model is stated.

Spanish microelectronics course in PDF form, 4.14 MB, without any specific device, brand or board named.

Schematic in PDF for the Quanta board DAZ8VMB18D0, revision D. Quanta board numbers start with DA and end with a revision letter, which here is D.

PDF document for the Intersil ISL95831, catalogued as a schematic but most likely the manufacturer datasheet for the part.

Quanta UM8 motherboard schematic, a 619 KB PDF whose name carries only the project code, with no revision, brand or graphics variant.

Scanned photos of Apple logic board 820-01598, with J213 and X1536 identifiers, as a 1.33 MB PDF.

MSI MS-16J51 laptop schematic, revision 2.0, as a PDF inside a 1.35 MB RAR archive. Several revisions of this board exist, so read the revision on the PCB and choose the…

PDF schematic for Quanta board DA0GC5MB8F0, project GC5, delivered in a 1.37 MB RAR. The name gives no revision or laptop model, so check the title block and compare it…

PDF of 458 KB for the LTA216AT01, a code that reads as an LCD panel model; at this size it is probably a specification sheet rather than a full schematic.

PDF schematic labelled N76VM, an ASUS N76 series board designation, with an RG suffix whose meaning is not clear from the name.

PDF schematic labelled AS6530 with the token ZK3, likely an Acer Aspire 6530, with ZK3 looking like a board project code.

Schematic in PDF form for the Samsung Galaxy A50, model SM-A505F. The name states no board revision.

Schematic in PDF for the H61MXL-K desktop motherboard, packed as a 1.10 MB rar archive.

Spanish electronics course PDF focused on tablets, about 2.73 MB, filed under schematics though it reads as training material.

PDF schematic of 6.76 MB pairing LB31J with 32LN5650, which corresponds to an LG 32-inch LN5650 television and its LB31J chassis code.

Pegatron IMPBW-CS motherboard schematic, revision A00, in PDF. Apart from the board code and revision, the file name gives no model, chipset or brand.

Panasonic schematic for a power supply and inverter board, part TNP4G469AG, associated with the KM09 chassis, supplied as a 594 KB PDF.

Schematic diagrams for the Nokia N80 slider smartphone, delivered as a 1.97 MB PDF. The file name does not mention a board code or revision, so compare the PCB markings…