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.

Short code 33C804A names this 174 KB PDF, indexed as a schematic, with no device, brand or revision indicated.

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…

PDF of 96.4 KB labelled 30CTQ060L, a part-number style name that points to a component datasheet rather than a laptop or motherboard schematic.

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.

Datasheet-style PDF of 55.8 KB for the Catalyst 24WC256, a 256 Kbit two-wire serial EEPROM, even though the index lists it as a schematic.

Short PDF of about 104 KB on the 24LC08 serial EEPROM, an 8 Kbit memory with a two-wire I2C interface.

Datasheet PDF of 121 KB for the 24C65, a 64 Kbit I2C serial EEPROM with smart features such as a high-endurance block and configurable write protection of memory…

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

A 75.1 KB PDF titled after the 24C16 part, with a _3 suffix that likely marks a third copy or revision of the same reference sheet.

PDF datasheet of 297 KB for the 24AA65, 24LC65 and 24C65 serial EEPROMs, a 64 Kbit I2C family.

A 333 KB PDF datasheet for the 24AA16 and 24LC16B, 16 Kbit serial EEPROMs using the I2C bus.

Short PDF of 17.5 KB titled 23SC4428, catalogued under schematics. The name gives only a part number, and its 4428 suffix resembles that of a known smart-card memory…

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…

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

A compact 44.5 KB PDF named 20FQ appears in the schematic category with no device or board information in its name.

A small 71.5 KB PDF with the very short name 16f, indexed as a schematic. The name is too terse to tell what device, series or component it covers, so the contents need…

Schematic set for the Samsung SM-F946B in a ZIP of about 1.92 MB, the model code used for the Galaxy Z Fold5 international version. No revision is given.

Samsung SM-F700U schematic diagrams, about 2.06 MB in a ZIP archive, for the US version of the original Galaxy Z Flip. The name gives no board revision.

Compressed schematic set for a Samsung device identified only by the model code T970, a code that probably belongs to a Galaxy Tab family.

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.

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.

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…

Small PDF of about 3 KB titled as a DC power supply amperage guide, indexed as a schematic but likely a reference sheet rather than a board diagram.

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

PDF titled BOT, catalogued as a schematic and 232 KB in size; the name gives no model, brand or board number.

Exploded view diagram for the Samsung SM-S901U, the US Galaxy S22 model, as a 3.53 MB PDF.

PDF schematic whose name reads only i pad S9, roughly 1 MB in size, with no brand, board number or revision given.

Large 21.0 MB PDF whose numeric file name reveals nothing about the device, model or board number, though it is listed as a schematic.

Troubleshooting manual in PDF form for the Samsung SM-J210F, a Galaxy J2 variant, 1.27 MB in size.

Small PDF schematic whose name refers to RT6906B and SM4151, which look like chip or board identifiers, but the name does not say which device the document belongs to.

Small 102 KB PDF schematic named MLT198TX, with no brand, device or revision given in the name.

Level 3 service document for the Samsung SM-T515, a Galaxy Tab A 10.1 LTE variant code, packed into a 1.79 MB PDF.

Wistron schematic for board number 19817-1, archived in a 5.96 MB RAR with the PDF inside.

Small Portuguese PDF of 57.8 KB that, judging by its name, is a May schedule for live classes rather than a circuit diagram, despite being filed under schematics and…

Troubleshooting document for a Samsung model labelled A5S with code SM-A528B, stored as a 3.62 MB PDF carrying a doubled extension.

Complete schematic for the Samsung Galaxy J2 Prime, model SM-G532F, with the SS tag usually indicating the single-SIM version, credited to Anibal Garcia of iRepair in a…