Lenovo P770 smartphone repair documents: schematic diagram and service manual in a 646 KB RAR archive.

Repair pack for the Lenovo A7000 smartphone containing a schematic diagram and service manual in a 917 KB RAR archive. No board number or revision appears in the name.

Lenovo A366T smartphone schematic diagrams, archived as a 765 KB RAR file; the name lists circuit drawings only, without a service manual.

Thirteenth issue of El mundo de la electronica, a Spanish-language electronics course delivered as a 1.47 MB PDF.

Quanta UM3B schematic in PDF form, about 2.9 MB, with no brand, model, board number or revision in the name.

Uniwill schematic in PDF form, about 874 KB, for the board coded P72IA02. Uniwill was a Taiwanese notebook ODM whose barebone designs were sold under various brands, so…

Wistron schematic for the Dell Inspiron 3558, with 14216 and RX01 in the name, which appear to be the Wistron project code and a revision tag.

ASUS schematic covering the X542UN and X542URV models, revision 1.0, in PDF format that any PDF reader can open.

FAA-H-8083-32 Aviation Maintenance Technician Handbook, Powerplant volume, in a 33.7 MB PDF, despite being filed as a schematic.

Schematic in PDF for the Apple iPhone 5 logic board, about 8.6 MB, with no board revision stated in the name.

Maintenance manual in PDF for the Huawei MediaPad 10 FHD tablet, filed here under schematics.

Early R0.1 revision of the schematic for Compal board LA-9642P, packed as an 882 KB RAR archive.

LG M4410 mobile phone schematic, provided as a 1.22 MB PDF. No board revision is listed in the name, so compare the title block with the phone's PCB markings.

Full schematic diagram for the Xiaomi Mi 4S phone, a large 24.5 MB PDF that likely contains the complete set of circuit pages.

Another Xiaomi Mi 4C schematic document, labelled as part 1 and packed in a 17.8 MB PDF; it may be an alternate edition or the first section of a multi-part set, which…

Fly SL500I schematic, provided as a 753 KB PDF. The diagrams let a repair technician follow the battery and charger circuitry, regulator outputs and the lines between…

Schematic diagram in PDF for the Dell Inspiron N4030 motherboard, code name Arsenal DJ1, discrete graphics version.

Nokia 3250 schematic, version 1.0 according to the name, provided as a 754 KB PDF. This handset is known for its twisting keypad section, and the diagrams help follow…

Nokia 2220 handset schematic as a 737 KB PDF file. The name carries only the model number, with no revision or board identification.

Pegatron EIH31 schematic for the Acer Aspire 3750ZG, revision 2.1, delivered as a 2.08 MB-class document of 1.31 MB in PDF form.

Repair guide, RG, for the P452SJ laptop, delivered as a 714 KB PDF. Expect board layout images with marked components, voltage values at key test points and flowcharts…

PDF reference for the 74HC595, an 8-bit shift register with storage latches and three-state outputs, at 367 KB, filed under schematics.

PDF for the BU4508DX, a small 48.8 KB document filed as a schematic but most likely the part datasheet.

A 115 KB PDF named after the 2SD1625 part number, catalogued as a schematic but in practice most likely the transistor's datasheet.

PDF covering the 3SK189, about 178 KB in size and listed in the schematic category, though the name points to a single component datasheet.

Part reference for the 3N250, stored as a PDF of about 43.6 KB and catalogued in the schematic section.

Filed under schematics, the 39.8 KB PDF 2SD2441 with an E tag refers by its JIS-style 2SD prefix to an NPN bipolar transistor.

A 166 KB PDF for the 2SD1904 transistor, listed here as a schematic but by its name almost certainly the manufacturer data sheet.

A 365 KB PDF for the 2SK2859, filed under the schematic type though it is most probably a manufacturer datasheet. Nothing other than the part number appears in the name.

Datasheet-type PDF for the 2SK2740, 138 KB, with a 1-5 suffix in the name whose meaning is not stated, possibly an edition or page range.

A 416 KB PDF covering the 2SK2610, a JIS-designated part whose 2SK prefix identifies an N-channel FET.

Part-number-only PDF for the 2SK2323, 23.2 KB, placed in the schematic category of the index.

Documentation for the 2SK2036 in a 326 KB PDF. Parts beginning with 2SK are N-channel field-effect transistors under the Japanese JIS numbering, so this file should be…

An 88.5 KB PDF on the 2SK1738 transistor. In the JIS system, 2SK designates an N-channel FET, so this file is most likely the datasheet rather than a circuit schematic.

Reference PDF for the 2SK1457, filed under schematics and 122 KB in size. The file name carries only the part number.

Reference sheet for the 2SK1109, with the name indicating the UTC (Unisonic Technologies) version of the part.

A 107 KB PDF covering the 2SC4270, a JIS-numbered part. The 2SC prefix denotes an NPN transistor intended for high-frequency use.

Only the part number 2SC4168 identifies this 150 KB PDF, which carries a schematic label but is almost certainly a component datasheet.

This 105 KB PDF is named after the 2SC4159 and, although stored as a schematic, should contain the specification sheet for that NPN bipolar transistor, as the JIS 2SC…

Component data for the 2SC5531 NPN bipolar transistor, supplied as a 51.5 KB PDF and catalogued under schematics.