Schematic for the Gigabyte B450 AORUS PRO WIFI motherboard, revision 1.1, packed as a RAR archive containing a PDF.

Updated release of the Matrix II t13 x73-1 amplifier document, marked new, in a 1.69 MB PDF.

Schematic for the PMA400 Lambda amplifier, a 400 W audio power amp design credited to Rat Net, supplied as a 477 KB PDF.

MSI MS-16H5 schematic at revision 1.0, the earliest of the versions listed, in a 2.18 MB RAR holding the PDF.

Compal LA-2462 circuit diagram, revision R0.1, compressed into a 1.04 MB RAR file. Compal produces notebooks under contract for numerous brands, so the laptop name is…

Service manual PDF for the Samsung SM-A710FD, the dual-SIM variant code, at 2.93 MB. Samsung service documents of this kind typically cover specifications, disassembly…

Second schematic document for the Nokia N90, delivered as a 2.48 MB PDF; the number 2 in the name points to a further part or another edition of the N90 diagrams.

Repair guide for the Asus K53SV notebook, a 593 KB PDF. The file name does not state a board revision.

Reference PDF, 181 KB, for the KA2923, an IC from the KA prefix series; the name contains only the part number and does not state its function, so that must be read from…

Part documentation for the 2SD2615, filed under schematics but by its name a component datasheet rather than a board drawing.

A 116 KB PDF associated with the 2SD2284 NPN transistor, a part numbered under the Japanese JIS standard, where 2SD denotes NPN low-frequency types.

Covering the 2SK2910 transistor, this 150 KB PDF is listed in the schematic category but reads from its name as a component datasheet.

A 55.2 KB PDF named after the 2SK2348, a JIS-registered type whose 2SK prefix indicates an N-channel FET.

A 140 KB PDF named after the semiconductor 2SJ563, listed in the index under schematics.

The name of this 97.3 KB PDF gives nothing beyond 2SJ277, a JIS-style designation in which 2SJ marks a P-channel FET.

Only the part number 2SJ275 appears in the name of this 97.0 KB PDF. That code follows Japanese JIS numbering, where 2SJ indicates a P-channel field-effect transistor…

Indexed as a schematic, this 79.2 KB PDF is named 2SC4400 and should be the reference datasheet for that NPN bipolar transistor.

Listed under schematics but named only after a part number, this 91.6 KB PDF most likely holds the datasheet for the 2SC4188 transistor.

The 2SC4121 part number is the whole name of this 89.5 KB PDF; although typed as a schematic, it should be the datasheet for that NPN bipolar transistor, as the Japanese…

The 2SC5777 is covered by this small 29.9 KB PDF, catalogued as a schematic but most likely a single-part datasheet.

PDF of 37.3 KB named after the 2SC5406 and listed as a schematic, though it is almost certainly a component datasheet.

Part documentation for the 2SC5302 in PDF form, 89.2 KB, placed in the schematic section of the index.

A brief 48.3 KB PDF on the 2SC3504, catalogued as a schematic but containing transistor data.

Filed under schematics, this compact 39.7 KB PDF is named after the 2SB976 part number, a Japanese JIS-style designation where the 2SB prefix marks a PNP transistor…

PDF of 47.7 KB named 2PD602A, apparently issue 4 of the document. The name identifies a part rather than a product or board, which points to a discrete semiconductor…

A 54.5 KB PDF filed as a schematic and identified only by the short code 51HQ, with no brand, model or revision stated.

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…

A small PDF of 71.3 KB catalogued as a schematic, whose name gives only the token 12f with no brand, model or board number.

Main electrical parts list, chapter 05, from the Samsung GT-N5100 Galaxy Note 8.0 service documentation, a small 40.6 KB PDF.

Circuit diagram in PDF for the Wistron Olympus laptop mainboard, number 07258-1, PCB code 48.4Y603.0SA.

Schematic document for the Quanta-designed DA0LZ7MB8E0 laptop board, distributed as a 1.14 MB PDF.

Power-on sequence diagram supplied as a small PDF; the name does not identify the device, brand or board number.

Audio Pro Ace Bass B4-200 subwoofer service manual, going by the AceBassB4_200, sub and sm tokens.

Whirlpool front-loading washing machine service manual for the AWOC 8110, a substantial 23.3 MB PDF.

Schematic PDF for the MS7119 board in revision 0A, flagged as the final drawing set. The number follows the MS-7xxx style used by MSI for its mainboards, though no brand…

Schematic and service manual for the Lenovo S930, packed into a RAR archive of 2.11 MB.

PDF schematic covering the HP 625 and Compaq CQ325 and CQ326 notebooks, with Inventec as the board designer.

Disassembly and reassembly instructions for the Samsung SM-A700H, a 731 KB PDF. It describes the sequence for opening the phone, removing the battery, boards and flex…

Disassembly and reassembly guide for the Samsung SM-A500G, an 831 KB PDF. It lays out how to open the phone, unplug the battery and flex cables, remove the board and…

Samsung SM-A310F disassembly and reassembly guide in PDF form, covering the Galaxy A3 (2016) handset.