Troubleshooting guide in PDF form for the Samsung SM-A910F, the Galaxy A9 Pro, identified by Samsung's model code; the 7 in the name looks like a part or section number.

Apple iPhone 4S schematic in a 1.34 MB PDF. The name gives no board number or revision, so compare the diagram with the logic board you are servicing.

PDF circuit diagram labelled for the HP DV3000 with an Intel platform; the name carries no board number or revision, so compare the pages against the motherboard…

Quanta-made schematic for the HP DV6 and DV7 series, project UP67, discrete graphics version.

Sony KDL40W2000 LCD television schematic for the WAX2F chassis, provided as an 8.32 MB PDF file readable in any PDF viewer.

Fourth file in the Samsung SM-J250F (Galaxy J2 Pro) schematic series, a compact 212 KB PDF that is likely just a few pages or a single block diagram.

Basic electronics primer in English, a 2.66 MB PDF catalogued with schematics though it is a learning text rather than a circuit for a product. No device is named.

Early-stage schematic for the Compal LA-9865P mainboard, revision R0.2, delivered as a 1.07 MB RAR archive.

Circuit diagram set for the Compal LA-5481P laptop mainboard, revision R0.2, delivered as a 953 KB RAR file.

Circuit schematics for the Samsung SM-A710FD in PDF, 5.51 MB. The name does not state a board revision, so compare the PCB silkscreen with the sheets before relying on…

Small 521 KB PDF schematic labelled Foxconn M9F1 and catalogued under ECS, with no laptop model, board revision or chipset named in the file name.

Lenovo laptop schematic in PDF, attributed in the name to Foxconn (spelt Foxcon) with the project code W06N; no retail model is stated.

Schematic in PDF format, 551 KB, labelled only SY3, with no brand, model or board number in the name.

Quanta RJ6 laptop mainboard schematic, revision 1A, in a 1.64 MB PDF. Quanta is a major ODM whose two- or three-character project codes like RJ6 identify boards built…

Quanta CT6 schematic, revision 1B, for the dv1600 notebook, provided as a 989 KB PDF file.

Cover section of the Samsung service documentation for the GT-S7580 and GT-S7582 Galaxy phones, a 126 KB PDF numbered as part 1 of the set.

Samsung GT-I9300 Galaxy S III troubleshooting document, chapter 08 of the service manual by its name, as a 13.6 MB PDF.

This PDF of 71.0 KB is indexed as a schematic for the 2N6520, a JEDEC 2N-series discrete semiconductor number.

Covering the 6A05 to 6A10 series, this 198 KB PDF appears to be a datasheet for a family of 6 A rectifier diodes rather than a device schematic.

Only the code 35sgq060 is given for this 47.7 KB PDF, which is categorised as a schematic.

Only the part-like code 35scgq030 describes this 46.6 KB PDF, filed as a schematic. No laptop model, brand or board revision is indicated, so it is best treated as a…

Bearing only the code 35cgq045, this 49 KB PDF sits among schematics but looks like a reference for a single component rather than a board.

Indexed as a schematic, the 51.2 KB file 30SCLJQ045 appears to be a single component datasheet for a rectifier, sitting between the 030 and 060 voltage grades in this…

The 71.5 KB PDF called 25L4004 is catalogued as a schematic, yet its name follows the style of a serial memory part number, so it is most likely a chip datasheet.

A 329 KB PDF datasheet for the 24AA52 and 24LCS52 serial EEPROMs, small 2 Kbit I2C memories.

Schematic for the Lenovo E255 notebook as a 928 KB PDF. The file name names only the model, so the ODM board number and revision have to be read from the drawings…

Topic 4 of a Spanish mobile repair course, explaining how to identify the parts of a smartphone, as a 404 KB PDF identical in size to the unnumbered copy.

Memory card slot schematic for the Samsung SM-A21s, provided as a 3.81 MB PDF. It documents the microSD reader circuit, typically the slot supply, data and clock lines…

Front camera section of a handset schematic in PDF form, part of a series of pages near 4.78 MB each, with no model named.

PDF schematic page for the 2 MP depth rear camera of a handset, part of a sectioned series of roughly 4.77 MB pages; the device model is not named.

Duplicate copy of the ThinkPad L412 schematic for Quanta board GC9A, shown by the (1) suffix and identical 904 KB size.

Electrical part list in PDF form, 24.3 KB, with no model, brand or board number in the name, so the matching device has to be identified from the document itself.

Samsung SM-G610F document in PDF format, around 2.84 MB, catalogued as a schematic for the Galaxy J7 Prime.

Schematic for the Samsung SM-A207F, the Galaxy A20s model code, packed in a 3.61 MB RAR archive that the name says contains PDF documents. No board revision is listed.

A PDF schematic for the ASUS FX516R series, packed in a RAR archive of about 2.9 MB. The name gives no board revision, so compare the revision in the schematic title…

Service schematic for the ASUS X505BP laptop mainboard, revision 2.0, supplied as a 5.74 MB PDF.

Electrical schematic in PDF form for a Sony KDL-40ES705 television; the file name, written in Portuguese, misspells the brand as Sone.

Sony VAIO VJF155F11X service schematic, PDF format inside a 7.37 MB RAR archive, with N240JU appearing in the name as the board or project identifier.

MSI MS-16871 laptop motherboard schematic at revision 1.0, delivered as a PDF compressed in a 1.12 MB RAR.

Schematic PDF from Sony for the MEX-GS610BE, MEX-GS610BT and MEX-N6050BT car receivers, marked version 1.0 and around 8.47 MB.