Filed under schematics, this 97.5 KB PDF labelled 25tts-fp appears to be a component datasheet for a variant of the 25TTS power device series.

PDF of 59.1 KB labelled only 30BF and listed as a schematic, with no model, brand or board number provided.

PDF of 306 KB for the 24C04 serial EEPROM, with a P suffix that the name leaves unexplained.

The file 16YQ045C is a 52.0 KB PDF filed under schematics, but the name describes a component code and gives no device, board number or revision.

Learn Arduino, a Spanish guide in a 5.69 MB PDF focused on the Arduino microcontroller platform rather than repair of a specific device.

Studiomaster M1000 schematic, supplied as a 576 KB PDF. Studiomaster builds professional audio gear such as mixers and amplifiers, and a diagram like this is used to…

Texas Instruments BQ24765 charge controller datasheet, 1.54 MB PDF, listed in the schematic category.

Troubleshooting guide for the Samsung Galaxy A7 2017, model SM-A720F, as a 1.57 MB PDF; the trailing 7 in the name may denote a chapter or revision but is not explained.

Reference document on toroidal transformers, a 5.83 MB PDF; no device, brand or model is named.

Schematic in PDF for the N61B board, AMD variant, delivered as a 2.54 MB RAR archive. The name gives no laptop brand, so identify the device by the board marking.

PDF schematic of the HT-S40R home theatre system, about 1.50 MB, the name carries no board number or revision.

Lenovo TD80t schematic diagram and service manual, supplied as a 544 KB RAR archive. Board number and revision are absent from the name, so check the PCB against the…

Shuttle A14HM02 motherboard schematic, revision B, stored as a 595 KB PDF. The name gives only the board code and revision, so open the title block for chipset and model…

Schematic archive for the Xiaomi Mi1 smartphone, delivered as a 518 KB RAR. A circuit diagram of this kind lets a technician follow power rails from the PMIC, trace…

PCB layout document in PDF for the Apple iPhone 5, showing component placement on the logic board.

Repair guide PDF for the ASUS K42JA, about 507 KB, catalogued with schematics. ASUS repair guides commonly include a system block diagram, the power-on sequence, key…

Third copy of the Quanta AT6 schematic, revision R1A, a 1.58 MB PDF that matches the other AT6 files in size.

Schematic in PDF form for the Acer Aspire E1-572P, covering a Compal-designed motherboard marked LA-9531P.

PDF for the complementary TIP3055 NPN and TIP2955 PNP power transistors, 50.1 KB, indexed under schematics.

Datasheet for the 2SD2258 NPN bipolar transistor, supplied as a 56.8 KB PDF and filed under schematics.

Filed as a schematic, this 53 KB PDF is named after the 2SD1725 part number, so it is most likely a component datasheet rather than a board diagram.

Part-number PDF for the 2SK1471, 92.5 KB in size and labelled as a schematic in the index.

A PDF filed under schematics but named after the 2SK404, a part number in the Japanese JIS semiconductor scheme, where the 2SK prefix marks an N-channel field-effect…

A 51.7 KB PDF for the 2SC4208, with an _E suffix in the name whose meaning is not stated; it could mark an edition or language version, but that is unconfirmed.

Brief datasheet-type PDF for the 2SC3920 at 30.5 KB, indexed under schematics. The file name contains only the part number.

A compact 37.5 KB PDF carrying the name 2SA2044, a Japanese JIS transistor number in which 2SA stands for a PNP bipolar type.

A compact 43.5 KB PDF filed under schematics and named for the 2N6547, a part number from the JEDEC 2N registration series for discrete semiconductors.

A 57.0 KB PDF listed as a schematic and named 1SV216, followed by an underscore that appears to be a naming leftover.

Revision 2 of a datasheet for the 1N5400, the 50 V base grade of the 3 A rectifier series, supplied as a 44.9 KB PDF and indexed under schematics.

A 553 KB PDF called simply 29040, indexed under schematics, which by its number most likely covers a 4 Mbit 29-series parallel flash memory datasheet; the manufacturer…

Schematic diagram for revision 2.1 of the Gigabyte GA-H81M-S2PH, an Intel H81 micro-ATX desktop board, delivered as PDF in a 563 KB RAR.

PDF document filed under the name BQ24765, which matches a Texas Instruments battery charge controller part number used in notebook power circuits.

Circuit schematic for the subwoofer 7294 project, version 1.1, a 55 KB PDF. The name suggests an amplifier built around the TDA7294 audio power IC, but the PDF itself…

Studiomaster Logic-12 schematic, a compact 552 KB PDF. Studiomaster is a British maker of mixing consoles and powered mixers, and the Logic name refers to one of its…

Apple logic board schematic for board 820-02016, revision 07, in a 6.52 MB PDF. The name itself gives only the board number, which follows Apple's 820- numbering for…

IdeaPad S340-15IWL schematic for the Compal board LA-H101P, saved as a PDF of about 5 MB.

Circuit diagram for the HP DM1, project name Flex, board H210UA1, revision C, based on the AMD Brazos platform with the code name Garbo also in the title.

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

Schematic covering X51C and T12C, as named in this 1.58 MB PDF, suggesting one document shared by two related models.

Clevo N850HJ service schematic in PDF, board 6-71-N85H0 revision D02, inside a 5.87 MB RAR archive.