The 2SD2129 transistor is documented in this 216 KB PDF datasheet, catalogued among schematics.

Training course material on basic electronics repair, 7.26 MB PDF, catalogued with schematics although it is an educational guide rather than a board diagram.

Schematic in PDF for the GOYA-BALEN platform, board number 11276-2, with the extra code 4ST04 also printed in the name.

PDF schematic for the Compal LA-4092P laptop motherboard, packed in a RAR archive of about 1.3 MB. The name states no brand, revision or graphics variant.

Schematic for the Lenovo IdeaPad S10-3 from Quanta, covering the FL5 mainboard, as a 997 KB PDF that appears to match another FL5 copy of the same size.

Schematic diagrams for the Compal-built LA-6733P motherboard, revision R0.3, compressed into a 2.44 MB RAR archive.

Samsung documentation for the LTM240M1-L01 LCD panel, a small 619 KB PDF, most likely the panel specification sheet rather than a device schematic.

Datasheet PDF for the 2SD1222, sized 183 KB and placed in the schematic section of the index.

Optocoupler datasheet for the 4N29, with the name indicating revision 4x, supplied as a PDF of roughly 287 KB.

Service manual in PDF, 2.16 MB, with only the suffix SA in its name, so the device, brand and model cannot be determined from the title alone.

Schematic package for the Huawei Y600-U00 smartphone that, according to the name, includes both the circuit diagrams and the PCB layout. The RAR is 1.92 MB.

For the 2SK1905 N-channel field-effect transistor, this PDF of 92.7 KB is indexed under schematics, though a bare part number in the name points to a datasheet.

A 31.3 KB PDF for the 2SC5764, stored with the schematics. The name contains just the semiconductor part number; in Japanese numbering, 2SC identifies an NPN transistor…

Pegatron SU4EA motherboard schematic, revision 1.0, for the Acer Swift 3 SF314-52G series, supplied as a 2.8 MB PDF.

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…

Schematic diagram for the Dell Inspiron 6400 and its sister model, the Inspiron 1505, packed in a 1.78 MB RAR archive.

Indexed as a schematic, this 199 KB PDF actually carries only the part number 2SC1959, pointing to a single NPN bipolar transistor under the JIS naming scheme.

At 320 KB, the largest document in this group, this PDF is for the 2SC3862 transistor. The 2SC prefix follows the JIS scheme for NPN bipolar devices, so the content is…

Nokia 5800 schematics, a 1.43 MB PDF for this touchscreen handset. The name gives no revision or RM type code, so check the label under the battery and compare board…

Schematic in PDF form for the laptop motherboard DA0ZRZMB6D0, packed in a 3.03 MB RAR; no brand or laptop model is given.

The 2SC5540 transistor is covered by this 30.9 KB PDF, catalogued as a schematic. By JIS convention the 2SC prefix signifies an NPN bipolar device, so the document is…

Dell Inspiron 15R 3537 laptop schematic based on the Compal LA-9982P motherboard, revision 3.0 per the r30 token.

The 2SA1370 is a PNP transistor in the Japanese JIS numbering system, and this 138 KB PDF is named after it alone.

A 121 KB PDF for the 2N6027, filed as a schematic but most likely the device datasheet. The name gives no manufacturer, package or revision.

Schematic document named simply A6G, a 1 MB PDF without a brand or mainboard number stated in the name.

Lenovo ThinkPad Edge E540 schematic, LCFC board NM-A161 with project code AILE2, revision 0.1. LCFC is the Lenovo-owned ODM whose boards carry NM- numbers.

The largest of this group at 400 KB, this PDF is named for the 2SK241 and filed as a schematic.

PDF datasheet of 137 KB for the 2SK3120, sorted into the schematic category of the index.

Datasheet-type PDF for the 2SC3912, sized at 30.2 KB. The part number follows the JIS standard, where 2SC identifies an NPN bipolar transistor; the name offers no…

Component location map for the main board of the Xiaomi Redmi 3Z and Redmi Note 3, supplied as a 3.08 MB PDF.

Schematic in PDF form for the IBM ThinkPad X201i, the Core i3 variant of the X201 ultraportable, as the file name indicates.

Compal schematic for the LS-7072P LED board at revision r01, a small daughterboard rather than a mainboard.

Circuit diagram for the Dell Latitude D620 notebook in a 1.28 MB PDF that opens in any standard reader.

Backlight circuit schematic for the Samsung SM-A21s, a 3.82 MB PDF. It covers the LCD light section, typically the backlight driver, its boost inductor and diode, and…

Compal LA-6072P motherboard schematic, revision R1.0, compressed into a 1.56 MB RAR archive.

Schematic for the Samsung SGH-C170 mobile phone, stored as a 387 KB PDF. No board revision is stated in the name.

Samsung television schematic package covering the UExxEH45, EH53, ES55, ES57 and ES58 series, with U78A appearing in the name as the shared platform or chassis label.

Schematic for the Lenovo ThinkPad X200, supplied as a 1.23 MB PDF, without a board number or revision in its name.

PDF schematic named only U400D, about 814 KB in size, with no brand, board number or revision in the name.