Lenovo G450 circuit diagram for the Compal LA-5081P motherboard. Compal's LA-numbered boards carry that code on the PCB, so check it before working from these pages, and…

Schematic for the Lenovo G505s laptop, built on Compal motherboard LA-A091P at revision 1.0, in a 1.26 MB PDF.

Version 0 schematic for the Dell XPS 15, a PDF of roughly 1.56 MB. A zero revision often marks an early release, so some details can differ from boards found in retail…

Dell Latitude D620 motherboard diagrams in a 1.17 MB PDF. The file name names the model but supplies no board code and only an unnumbered Version label, so the revision…

Schematic for the Sony VAIO VPCF136FM, an F-series notebook, based on the MBX-238 motherboard.

Quanta ZI6 schematic, revision C, covering the Acer TravelMate 6000 and 8000 notebooks, in a 1.32 MB PDF.

Circuit schematic for the Acer Aspire 1640, a Quanta-designed motherboard with project code ZL8 at revision 3A, supplied as an 820 KB PDF.

HP Pavilion G4 schematic drawn on the Quanta R53 mainboard, revision 1A, in a 1.30 MB PDF file.

EEPROM image of 1 KB for the Samsung SN2033 PLUS monitor, read from position IC201 and marked as fully working.

Firmware dump for an LCD monitor identified as W2253S, built around an MST (MStar) scaler controller, version V135, with checksum 2BA7 and a build date of 090423 in the…

Zipped BIOS firmware whose name appears to reference an ASUS K54 series laptop, with HR and F1205 likely denoting the model variant and a version, though neither is…

An 8 MB BIOS dump for the ASUS X550L series, labelled for the X550LC and the XX032H configuration, taken from the mainboard.

Component datasheet for the 2SD2137, a part from the Japanese 2SD series, which designates NPN bipolar transistors intended for low-frequency use.

The 2SD2049 is documented in this 131 KB PDF, catalogued as a schematic. In the JIS system, 2SD stands for an NPN bipolar transistor aimed at low-frequency or power…

Component documentation for the 2SK2996 in PDF form, 412 KB in size. The 2SK designation identifies an N-channel field-effect transistor registered under the Japanese…

Component PDF, 409 KB, for the 2SK2964. In the Japanese JIS designation system a 2SK number refers to an N-channel FET, so treat the file as a transistor datasheet even…

About 90 KB in size, this PDF carries only the 2SK2091 part number and is likely the datasheet for that N-channel field-effect transistor, despite being filed as a…

PDF datasheet, 113 KB, for the 2SK1690, which the Japanese 2SK numbering identifies as an N-channel FET.

PDF datasheet candidate for the 2SJ148, size 283 KB, indexed under schematics. JIS numbering uses 2SJ for P-channel FETs, and the name adds no maker, package or revision…

Datasheet for the 2SJ347 in a 301 KB PDF, listed in the schematic category. The 2SJ prefix belongs to the JIS naming system and identifies a P-channel field-effect…

Reference PDF of 178 KB for the 2SC4682. Although catalogued as a schematic, the part number uses the Japanese JIS scheme where 2SC identifies an NPN bipolar transistor…

Part documentation for the 2SC4601 transistor, supplied as a 115 KB PDF and indexed as a schematic.

Datasheet covering the 2SC4487 transistor, stored as a 155 KB PDF and filed as a schematic in the index.

PDF reference, 140 KB, for the 2SC4486 NPN bipolar transistor, identified as such by the JIS-standard 2SC prefix. The name provides only the part number.

A 40.7 KB PDF bearing the 2SC5451 part number. Under the JIS 2SC convention it is an NPN bipolar transistor, and the document is probably its datasheet even though the…

Large for a single-part document at 411 KB, this PDF for the 2SC5695 likely includes full characteristic curves along with ratings.

Designation 2SC3457 is all the name reveals about this 116 KB PDF filed under schematics.

PDF of 125 KB for the 2SC5317FT, an NPN bipolar transistor code in JIS style with an FT suffix that the name leaves unexplained.

Part datasheet in PDF form, 119 KB, for the 2SA1403, though the catalogue type reads schematic.

A 47.6 KB PDF carrying the JIS part number 2SA1988, a PNP bipolar transistor according to the 2SA prefix.

Part datasheet, most likely, for the 2SA1312 transistor, supplied as a 323 KB PDF and indexed under schematics.

Datasheet for the 2SA1737, a PNP bipolar transistor per the JIS 2SA prefix, supplied as a 40.2 KB PDF and catalogued in the schematic section.

The 2N6849 datasheet, a 133 KB PDF filed as a schematic. Its file size and number sit close to the neighbouring 2N6845, 2N6847 and 2N6851 sheets, hinting at a family of…

Indexed as a schematic, a 132 KB PDF titled 2N6792, which is a JEDEC-registered discrete semiconductor code.

Document for the 2N4402 in a 298 KB PDF with an RE suffix, possibly signifying a revised or alternate edition; the name gives no explanation.

PDF datasheet for the 2N3393, 296 KB, placed in the schematic category. The same size appears for the 2N3390, 2N3391A and 2N3392 entries, which points to one combined…

Despite the firmware category, the name indicates a setup package for HxD, a free hex editor for Windows, marked as tested and working. It contains no BIOS image itself.

Datasheet PDF for the IRFP240, a 60.1 KB document. The IRFP240 is an N-channel power MOSFET in a TO-247 package, commonly found in power supplies, amplifiers and…