Motherboard schematic for the Dell Studio XPS 1645, supplied as a PDF of roughly 1.73 MB.

Schematic for the Sony VGN-AR130 and VGN-AR320E notebooks, built on Sony board MBX-164, which the name ties to Foxconn project MS21, revision 1. The PDF is 2.39 MB.

Quanta ZL9 schematic for the Acer Aspire 1640Z notebook, supplied as a 1.28 MB PDF. Quanta, the ODM behind this model, names its designs with short Z-prefixed project…

Schematic for the Dell Studio XPS 1644 laptop in PDF format, 1.73 MB. The file name specifies the model only and states no motherboard number or revision, so check the…

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

Schematic set for Toshiba Satellite 1130 and 1135 notebooks built on the Compal LA-1641 motherboard, delivered as an 802 KB RAR archive.

Revision 2A of the Quanta ZL8 schematic used in the Acer Aspire 1640, a 944 KB PDF. It sits between the 1A and 3A releases of the same project, and component values or…

Early revision 1A schematic for the Quanta ZL8 mainboard found in the Acer Aspire 1640, stored as a 936 KB PDF.

Toshiba Satellite 1130 and 1135 motherboard schematic, drawn for the Compal LA-1641 board at revision 0.3.

Circuit diagrams for the Compal LA-1641 laptop mainboard, early revision R0.3, compressed as a RAR archive of 808 KB.

Service schematic covering the Toshiba Satellite 1130 and 1135 notebooks, whose mainboard was designed by Compal under the LA-1641 project number.

Schematic for Sony MBX-164, the board used in the AR130 and AR320E models, built by Foxconn as project MS21, revision 1.1, supplied as a 2.39 MB PDF.

Sony VAIO VGN-AR130 and AR320E schematic for the MBX-164 motherboard, produced by Foxconn as project MS21, revision 1.1.

PDF circuit diagrams, 2.39 MB, covering the Sony VAIO VGN-AR130 and AR320E on motherboard MBX-164, a Foxconn-made board with project code MS21 at revision 1.

Samsung Galaxy J5 Pro service archive, a 4.62 MB ZIP whose name gives only the phone model and a numeric timestamp, so the exact contents are not stated.

Filed under schematics, a 164 KB PDF named 2N6387 with an RE suffix that the name does not explain.

A 164 KB PDF dedicated to the 2SD1221, recorded as a schematic in the catalogue. Japanese JIS numbering uses the 2SD prefix for NPN bipolar transistors in low-frequency…

2.1 channel hi-fi audio amplifier circuit by Technical Mriganka, a 164 KB PDF. The title does not name the amplifier ICs or output devices, so identify them from the…

A 164 KB PDF catalogued as a schematic and titled 28C64B, the B revision of the 28C64 64 Kbit parallel EEPROM code. The name names no vendor or package.

PDF of 164 KB catalogued as a schematic and named 28F020 with a trailing underscore, which usually marks an alternate copy of the same part document, possibly from a…

PDF component document of 164 KB for the 23c010 part. Within the common 23C naming scheme this denotes a mask ROM, with 010 typically standing for 1 Mbit, though the…

This small PDF of 164 KB lists the 6A05G to 6A10G range, a naming style typical of general-purpose 6 A axial rectifier diode families, so it is almost certainly a…

PDF document of 164 KB with the bare name 40cpq035, indexed as a schematic. Nothing in the name points to a specific device, manufacturer or board revision; the string…

Dell schematic in PDF form, packed in a 1.90 MB RAR, for the Quanta RM3 project board DA0RM3MBAD0, revision A00, with Y505R and RM3 references and the Dell XPS 1640…