Catalogued as a schematic, the 1SR139 document comes as a 117 KB PDF whose name mentions 400 and 600 variants, so it likely covers two grades of one discrete part.

Datasheet in PDF, about 91 KB, for the 93C66 serial EEPROM, the 4 Kbit member of the widely used 93-series Microwire family; the _3 suffix in the name likely marks a…

Code 52CPQ030 is the only information in the name of this 69.9 KB PDF, which is filed under schematics. No laptop model or board number is mentioned.

PDF reference of 45.5 KB carrying the name 35scgq060, indexed under schematics. The code appears to be a component part number; no model, manufacturer or board revision…

Catalogued as a schematic, this 77.1 KB PDF named 30SLJQ060 carries a discrete rectifier style part number, so treat it as a component datasheet.

A very small 12.3 KB PDF catalogued as a schematic and titled 27LV256-20I, a low-voltage 256 Kbit EPROM part number with what appears to be a 200 ns speed and industrial…

Indexed under schematics, this 106 KB PDF is named only 30BQ060, a code that looks like a discrete component part number, so expect datasheet-style pages rather than a…

Here is a 323 KB PDF named for the 25AA040, 25LC040 and 25C040, a Microchip family of 4 Kbit SPI serial EEPROMs; despite the schematic label it is a datasheet.

Reference PDF of 310 KB labelled with the 24C32 part number, which corresponds to a 32 Kbit (4 KB) I2C serial EEPROM.

A PDF datasheet for the 24AA04 and 24LC04B, 4 Kbit I2C serial EEPROMs commonly used to hold small configuration or calibration data.

A 309 KB PDF listed under schematics and identified only by the code 22DGQ045. No device model, board number or revision appears in the name, and the string looks more…

Short 77.9 KB PDF in the schematic section, named only 22CGQ045, with no brand, model or board revision given.

Indexed as a schematic, this 86.1 KB PDF is named simply 21DQ04 and names no device, board or revision.

Code 20ETF-HV is the only information in the name of this 99.5 KB PDF, which is catalogued as a schematic. It gives no brand, model, board number or revision.

Schematic in PDF form, 1.32 MB, for the UL20A according to its short name. No revision or board number beyond that code is stated, so read the cover page to confirm the…

Schematic for the Lenovo NM-A191 mainboard, a PDF inside a RAR archive of 1003 KB. NM-numbered boards are LCFC designs, the ODM owned by Lenovo.

Circuit schematic for the IBM ThinkPad R32, provided as a 1.18 MB PDF. The name mentions no board number or revision, so check the motherboard silkscreen against the…

Schematic of the IBM ThinkPad A31 motherboard, saved as a PDF of around 1.00 MB. The file name states the model only and gives no board number or revision, so compare…

PDF schematic of about 1004 KB for a motherboard labeled F83VF, with the r11 token most likely pointing to revision 1.1.

PDF schematic for the ASUS A7Sv notebook, a fairly detailed document at 7.56 MB. No board revision is stated in the name, so compare the revision silkscreened on the…

Schematic diagram in PDF format for board BM5968, revision 1.4 as read from the name; the brand and device it belongs to are not stated.

Schematic PDF for the Dell OptiPlex 3020, Wistron board 12125-2, 2.54 MB. Wistron is the ODM behind this five-digit numbering with a dash revision.

Schematic PDF for the Dell T1700 motherboard, platform name Amazon MT, revision A00, with a 2013-01-29 date code in the title, about 2.30 MB.

Topic 6 of a Spanish smartphone repair course, focused on diagnosing and solving hardware faults, in a 308 KB PDF. No model or board number is stated.

Opening topic 1 of a Spanish course on mobile telephony fundamentals, a 343 KB PDF. No phone model or brand appears in the name.

Spanish notes on basic electronics, a 591 KB PDF. The name mentions no device, board or brand, so it serves as study material on fundamentals such as electrical…

Front camera schematic for the Samsung SM-A21s, PDF, 3.82 MB. It shows the selfie camera connector together with its power rails and data connections to the main board.

PDF extract of a phone schematic focused on the touchscreen circuit, part of an unnamed set of sectioned pages around 4.78 MB each.

Display section of a phone schematic saved as PDF, part of a series of pages around 4.78 MB, with no device model in its name.

Schematic for the Lenovo 100S-14IBR laptop, built by 3nod with board number NB116BT at revision V01.

Schematic in PDF form, 3.09 MB, for the Lenovo ThinkBook 14s Yoga Gen 2 laptop built on Compal board LA-M062P.

Schematic in PDF format named only with the number 17823, with no brand or model stated.

Schematic PDF for the Microsoft Surface Pro 5 tablet logic board; the file name gives no board number or revision.

PDF schematic, 863 KB, for the Quanta ZL5 board project, with no revision stated in its name.

Quanta ZL2 mainboard schematic as a 1.25 MB PDF, with no revision given in the file name; its size equals the rev E part one file, though identical content is not…

Quanta CT6 schematic, a 986 KB PDF that opens in any PDF reader. Only the Quanta project code is given; the name states no revision or retail model.

Wistron schematic for project 18796, revision A00, where the SC suffix most likely stands for schematic.

Schematic for the Gigabyte GA-F2A78M-D3H, board revision 4.01, in PDF form. The model uses the AMD A78 chipset on socket FM2+.

Board layout for CG190PI revision 1.00, distributed as a 967 KB PDF; the bv tag in the name indicates boardview-style placement drawings rather than circuit diagrams.

Revision 03 schematic for Compal motherboard LA-E292P, stored as a PDF inside a ZIP archive.