Part number 2N5551 is the sole identifier of this 74.3 KB PDF, listed as a schematic. Under the JEDEC 2N scheme the file is most plausibly a datasheet for the discrete…

Datasheet-type PDF, 394 KB, for the 24LC08B, an 8 Kbit I2C serial EEPROM arranged as four 256-byte blocks.

Portuguese-language handout on basic electronics, filed under schematics although the name points to a study booklet rather than a circuit diagram of a specific device.

PDF document for GT30GW22, filed as a schematic at 846 KB; the name gives only this part code with no device description, brand or revision.

Small 21.8 KB PDF titled as a dock test diagram, with no device model, brand or board number stated in the name.

A 925 KB troubleshooting document in PDF, with a file name that does not say which device or manufacturer it belongs to.

Teardown and reassembly guide for the Samsung SM-A510FD dual-SIM model, 1.67 MB PDF. It shows how to separate the glass back or housing, disconnect the battery and…

Reference sheet for the 2SA1182 transistor, stored as a 202 KB PDF. The 2SA prefix belongs to the JIS numbering system and identifies a PNP bipolar device, so the…

Compact 23.8 KB PDF for the 2SA1870 PNP transistor, named in lowercase with only the part number.

Labelled only 241NQ, this 45.4 KB-class PDF of 45.2 KB appears to be a series datasheet for a family of power rectifier devices, with no suffix pinning it to a single…

Spanish guide, 213 KB PDF, whose title translates as how to read Samsung firmware. No model or board is named, so it is a general how-to rather than a dump or schematic.

Final PCB artwork for an amplifier using Sanken output transistors, labelled 7 set, which likely indicates seven pairs of output devices, delivered as a large 7.42 MB…

PCB diagram PDF for a Q1 device, 1.10 MB; the name states no brand, board number or revision, although Samsung used the Q1 model name for its ultra-mobile PC.

Schematic PDF of 2.88 MB whose name gives only j701, with no brand stated in the record; it likely relates to a J7 series handset, but the exact device should be…

A 43.6 KB PDF for the 3N247, filed among schematics but named after a discrete component, so it is most likely a datasheet.

Named after the JIS part number 2SJ267, this 91.8 KB PDF most likely documents a P-channel field-effect transistor, since the 2SJ prefix denotes that device class.

Indexed as a schematic, 36mt is a 53.9 KB PDF whose name is only a short code that resembles a component series designation rather than a laptop board number.

Short Persian-language PDF guide, saved from a web page, about current-draw testing. That is the practice of reading the power-supply current a board pulls to diagnose…

Component sheet in PDF format for the 2SA1541 transistor, 39.2 KB in size. Only the part number appears in the name, so no board, device or manufacturer can be inferred.

Datasheet-sized PDF, 46 KB, listed as a schematic for the part 2PA1774J, with the trailing 2 most likely a document revision.

PDF schematic document of 29.8 MB whose name mentions only Mobile and orang-farsi, with no model, brand or board number given.

Schematic in a 2.33 MB ZIP for a Samsung device; the name gives only A226B, which matches Samsung model numbering, but no further detail is stated.

Portuguese guide on fixing iPhone error 4013, converted to a 310 KB PDF. Error 4013 typically appears in iTunes or Finder during restore and is commonly linked to…

Datasheet PDF, 256 KB, for the 24C1024, a 1 Mbit I2C serial EEPROM, one of the largest parts in the 24C line.

PDF page titled component name from a sectioned phone schematic set of about 4.77 MB, with no device model in the name.

Large 280 MB archive gathering schematics for Xiaomi devices. The name does not list which models are included, so open the archive to see its contents.

PDF copy of USB Complete, third edition, an 8.27 MB reference book on the Universal Serial Bus rather than a board schematic.

Spanish document on the logic or control area of a mobile phone board, a 252 KB PDF. Typical phone repair courses divide the board into sections, and the logic area…

Spanish tutorial on recognising components in a schematic, a 310 KB PDF intended as training rather than a diagram for a specific device.

Exploded view drawing, 2.93 MB PDF, carrying the internal document code sd68c69954 with a front end label, the word burton and a 0402 suffix that is likely a date or…

Schematic archive of 2.44 MB for a board identified as LC7-H6116, with no brand or device model given in the name.

Microsoft device schematic identified by model number 1872 and board part number M1098028-008, delivered as a 6.19 MB PDF.

PDF schematic of 506 KB with a generic name that gives no device, brand or board number, only a smdmobile source tag.

Large Spanish course PDF, 15.6 MB, on basic electronics applied to mobile device repair.

PDF titled troubleshooting, 1.56 MB, with no device, brand or model named in the file name, so its scope can only be known by opening it.

Small 669 KB PDF schematic tagged as Apple, named only 4 g, which most likely refers to an iPhone 4 generation device, though the name does not state the model clearly.

Small PDF reference sheet of about 53 KB for a device labelled Note 10S, focused on the MIPI switch IC and the switch board, with diode-mode measurement values.

Component sheet for the 2SC3233, 150 KB PDF, listed under schematics. According to the JIS standard the 2SC code denotes an NPN transistor; the file name gives no…

General electronics repair guide in a large 35.4 MB PDF. The name is generic and does not tie it to any device, brand or board, so treat it as reference material rather…

PDF documentation for the 2SC3267, 225 KB, filed in the schematic category. Under the Japanese JIS system 2SC identifies an NPN transistor, and the name offers nothing…