A 2.39 MB PDF schematic for the Samsung SM-J120F handset, describing the phone's main board circuits.

PDF schematic titled with U99 and U93 references, likely covering two closely related designs in one document.

Orange Pi board schematic for the Allwinner A20-based model, revision 1.1, in a 354 KB PDF.

PDF schematic for the Gigabyte GA-EP35-DS4 motherboard, revision 2.12. Useful for tracing the VRM phases, chipset and memory supply rails, clock and reset signals, and…

Schematic in PDF form for the Sony VAIO motherboard designated MBX-250, following Sony's own MBX board numbering.

Schematic for the ASUS F3T laptop at revision 2.0, saved as a 1.36 MB PDF. It covers the mainboard power supply, processor and chipset support circuits and peripheral…

Schematic for the Dell Inspiron N5110 in PDF, 1.45 MB, with no board number or revision listed in the name.

Quanta U83 schematic at revision 1A, a fairly large 2.46 MB PDF that likely holds a full set of mainboard sheets.

Shared schematic for the Nokia 5200 and 5300 handsets, supplied as a 1.76 MB PDF. Listing both models suggests the phones use closely related electronics documented in…

LG VS880 service manual in English, version 1.0 dated 140730 according to the name, filed as a schematic PDF of 56.3 MB.

Circuit diagram in PDF for the Dell Studio 1435 and 1535 on the Quanta FM6 board, discrete graphics version, revision 3A, 2.22 MB.

Lenovo ThinkPad T410i schematic in PDF format; the name gives no board number or revision.

Fragment of a schematic set described as LA46 drawings in the DIS, or discrete graphics, version; the name is cut off and gives no model or revision.

Short 25.2 KB schematic excerpt named as LA46 drawings in the discrete-graphics (DIS) version; the title is incomplete and states no model or revision.

Full-size 1.59 MB PDF of the LA46 drawings, discrete-graphics (DIS) version, with a truncated name that does not state the laptop model or revision.

Lenovo ThinkPad T410 schematic for the Nozomi1 board at revision 1.31, in PDF format; the Sec suffix hints at a protected copy that may restrict printing or text…

Schematic for the Lenovo IdeaPad Y560, with the name noting an i7 build, meaning it covers the version of the board fitted with an Intel Core i7 processor.

Schematic PDF for a Lenovo notebook manufactured by Foxconn, labelled with the project code 661S03; neither the retail model nor the board revision is given.

Another schematic set for the Dell Latitude E6410, slightly smaller at about 1.10 MB in PDF.

Dell Latitude E5440 mainboard schematic, supplied as a PDF of roughly 3.17 MB. The name mentions a version without giving it, so the revision and board number must be…

Circuit schematic in a compact 847 KB PDF, identified only as M750 with no brand or board revision in the name.

Mainboard schematic labelled 1000HE MB, a 696 KB PDF; the name gives only the model code, with MB indicating the motherboard, and no brand or revision is stated.

Schematic drawings for the Sony Vaio PCG-K13, whose motherboard was designed by Quanta under the JE2 project code.

PDF schematic for the Sony MBX-187 mainboard, with IRX-5040 also named, likely a related model or part reference.

Asus X550MJ repair guide, a 911 KB PDF. No motherboard revision is included in the name, so look for the board version inside the document.

Repair guide for the Asus X540LJ laptop, 832 KB in PDF format. No board revision is given in the name, so verify it against the document contents.

Quanta AT1 notebook motherboard circuit diagram, revision RMV, in a PDF of roughly 1.27 MB, the third copy of this document in the index.

Compal LA-2392 circuit diagram at revision 0.1, provided as a PDF of about 1.01 MB. LA codes are Compal board identifiers found on the PCB silkscreen, and this older…

Circuit diagram for the Sony VAIO VPCEG36EG laptop, board MBX-250, using Sony's own MBX board numbering.

PDF of the LCD circuit for the A10s, most likely the Samsung Galaxy A10s, although the brand is not written in the name.

Schematic in PDF form for the Lenovo Flex 5-14ITL05, board code LC56-14T with Wistron number 203013-1, about 5.47 MB.

Schematic PDF shared by the ASUS X407UAR, X407UBR and X407UFR laptops, which are variants built on a common platform.

Schematic in PDF for an HP EliteBook laptop built on Compal board LA-4902P revision 1.0; the exact EliteBook model is not given in the name.

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…

PDF covering the BF458 and BF459 transistors, a compact 49.2 KB file listed as a schematic but most likely a shared datasheet.

Short 28.6 KB PDF filed under schematics with the name 3LP01N, a code that resembles a discrete semiconductor part number with an N suffix.

Listed as a schematic, this PDF of 28.2 KB is named 3LP01M and carries nothing beyond that part-style code with an M suffix.

PDF reference, around 129 KB, covering two power ICs identified by marking codes: Qq for the SY8386BRHC and 3a for the SY8388C3RHC.

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…

A PDF document for the 2SC4884, filed under schematics but by its name a component datasheet rather than a board diagram.