Schematic for the Gigabyte GA-H81M-HD2 desktop motherboard, an Intel H81 chipset micro-ATX board for LGA1150 processors, provided as a 902 KB PDF.

Indexed as a schematic, 1T369 is a 44.8 KB PDF identified only by its part code. No device, brand or board revision is stated in the name.

Labelled 100mt160p, this 90.2 KB PDF is filed as a schematic though its title resembles a component part number, not a motherboard designation.

Only the code 50WQ03FN appears in the name of this 128 KB PDF, catalogued as a schematic with no device, brand or board revision.

Schematic in PDF for the Lenovo ThinkPad A285 laptop, board NM-B751. The NM- prefix marks an LCFC design, Lenovo's own ODM, and these diagrams usually include a block…

PCB layout PDF for the Samsung Galaxy A01 Core, model SM-A013F, size 483 KB. Layout drawings show where components, connectors and test points sit on the main board.

Schematic PDF for the Ramones board design, number 6050A2566201 at revision X01, packed in a 782 KB RAR.

Schematic for the Acer Aspire S3-951 ultrabook, designed by Wistron under the code name Hummingbird1 HR, provided as a 1.13 MB PDF.

A 169 KB PDF for the 2SD1803, placed in the schematic category but evidently a component reference sheet. No manufacturer, revision or variant is named.

A 52.5 KB PDF catalogued as a schematic and named after the part code 1T403. No equipment model, brand or revision is included.

A compact 103 KB PDF labelled 20BQ030, filed among schematics. The name contains no laptop model, board number or revision, only a code shaped like an International…

Schematic in PDF form for the ASUS X555QG laptop main board, revision 2.0, shipped as a 4.5 MB RAR archive.

PDF schematic of the Gigabyte GA-MA74GMT-S2 desktop motherboard, labelled 1.41 in the name, which most likely refers to a document or board revision, stored in a 1.44 MB…

Schematic in PDF format for the Lenovo board NM-A471, numbered under the LCFC scheme used by Lenovo's in-house ODM.

Compal schematic for board LA-8868P in PDF form; the name does not list the laptop brand or model, so identify the machine by the board code printed on the PCB.

PDF schematic for the LA-F312P motherboard, revision 2.0 (A01), a board number in Compal's format; no laptop brand is stated.

An 81.5 KB PDF indexed as a schematic and named 63cpq100. No laptop, board number or revision is mentioned, so its subject must be confirmed by opening it.

Catalogued as a schematic, this 55.3 KB PDF is named 62cnq030, with no laptop model, PCB number or revision given.

PDF with the numeric name 775448, 712 KB, filed as a schematic. Nothing in the name states the brand, model, chassis or part covered, so the scope must be confirmed by…

The 2SK1413 is documented in this 112 KB PDF, listed under schematics but named after a single discrete part, which points to a datasheet.

Named after transistor 2SC4452, this 98.8 KB PDF is listed as a schematic but most likely contains the component datasheet.

At 109 KB, this PDF is named after the transistor 2SC5047. It is catalogued as a schematic, but the JIS 2SC prefix indicates an NPN bipolar part, so it is best read as a…

A 267 KB PDF for the 2SC3113, catalogued as a schematic but by its name most likely a component datasheet.

PDF reference of 132 KB named after the 2N6851, placed in the schematic category, but a 2N designation means a single registered semiconductor datasheet.

Schematic in PDF format, about 5.8 MB, for a device identified only as A20s in the name.

Schematic for an Inventec design named Dakar, with the codes DK10F and DK10FG, marked MP A02 and revision X01, supplied as a 1.23 MB PDF.

Rev 1A schematics for the Quanta R53 notebook board, 1.30 MB in PDF format. The name gives just the project code and revision, so check the PCB silkscreen for R53 and…

Quanta OT1 mainboard schematics at revision 1A, distributed as a 1.04 MB PDF. The file name names neither the laptop brand nor the chipset, only the Quanta project code…

Schematic in PDF for the Lenovo 3000 N220 and N440, made by Wistron under the Anote project name, about 1.7 MB; the numbered suffix suggests a duplicate copy.

A 177 KB PDF for the JEDEC part 2N5655, carrying an RE suffix whose meaning the name does not explain.

The 1SR156-400 document is a 120 KB PDF catalogued as a schematic, though its name follows a discrete component part-number style and carries no device or board…

A 228 KB PDF whose title, 30CTQ050, looks like a discrete semiconductor part code, indicating a component datasheet rather than a board-level circuit diagram.

PCChips M863G motherboard schematic, version 7.1, as an 823 KB PDF. PCChips made budget desktop boards, and this diagram helps with typical repairs such as checking CPU…

PDF schematic for the Samsung Galaxy A50, model SM-A505F, in a 6.92 MB RAR archive, the largest of this Galaxy A series set. The name gives no revision.

PDF schematic for the Compal ZAP00 project, board LA-A301P revision 1.0, packed in a 1.13 MB rar.

Gigabyte GA-Q67M-D2H-B3 motherboard schematic in PDF, with R10 in the name likely marking revision 1.0, archived as a RAR of about 787 KB.

Smartphone schematic in PDF form, archived as RAR, covering the Huawei Maimang 7 and the Mate 20 lite, which the name groups together as related models.

Jetway 694AS motherboard schematic delivered as a PDF of around 524 KB; no revision appears in the name.

A PDF collection of fun basic electronic projects, filed under schematics and 406 KB in size.

PDF schematic for the Samsung Galaxy SM-A720F, 3.58 MB, describing the handset's main board design.