PDF schematic sheet covering the top side of board 14291-1, a number that follows the Wistron pattern of five digits plus a revision suffix.

Datasheet for the 1N5408, the 1000 V top grade of the 1N5400 series of 3 A general-purpose silicon rectifiers, stored as a 43.4 KB PDF under schematics.

Spanish PDF course topic about diagnosing and fixing software faults on mobile devices, 541 KB in size and seemingly identical to topic 7 in the same series.

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

LG documentation for the WT5001CW top loading washing machine, a 9.85 MB PDF. Service manuals for this kind of LG top loader usually include specifications, a wiring…

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.

Bottom-side PDF sheet for the Z8V board, 438 KB, companion to a separate top-side page. The name states no laptop brand, model or revision.

Top-side silkscreen print for the Lenovo NM-B911 motherboard, revision 1.0 as indicated by R10, in a small 92.7 KB PDF.

Spanish PDF titled as a course topic with the abbreviation A.I., whose meaning is not clear from the name alone, so the content should be checked by opening it.

Bottom-side PDF sheet for board 15341-1, the BTM half of a top and bottom layout pair, about 215 KB in size. The numbering matches a pattern Wistron uses.

The fourth installment of P. Mevada's washing machine repair notes, a 399 KB PDF with no manufacturer or model given in the name.

PDF drawing of the bottom side of board 15341-1, a number in the Wistron pattern, about 219 KB.

Bottom-side PDF sheet for motherboard 14291-1, numbered in the Wistron style used for many Dell notebook boards.

Silkscreen print of the bottom side of board NMA931R10, which corresponds to the LCFC number NM-A931 revision 1.0, saved as a PDF.

PDF of the top-side silkscreen for board NMA931R10, the LCFC NM-A931 board at revision 1.0 by the naming pattern.

Spanish PDF titled Microelectrónica, 4.14 MB, with no device, brand or board named. It is likely training or course material covering microelectronics topics such as…

Schematic for the Xiaomi Mi 4 LTE smartphone, a 1.32 MB PDF. It documents the circuit connections used when diagnosing power, charging, audio, display or radio problems…

PDF schematic titled simply 4kw, most likely a high-power audio amplifier rated around 4 kilowatts.

Code 50MT060ULS is the only information in the name of this 224 KB PDF, filed as a schematic, with no brand, model or board specified.

Topic 2 of a Spanish smartphone repair course, covering basic electronics, as an 817 KB PDF that appears to duplicate the unnumbered copy. No device or board is named.

Top-side board drawing for the Xiaomi Mi 4 LTE phone, a compact 42.9 KB PDF indicated by the board_up label.

A larger 678 KB PDF for the 40MT120UH, filed as a schematic. In this naming family the MT prefix points to a power module, and parts with this kind of suffix are…

Catalogued as a schematic, this 140 KB PDF carries the name 28F002, a part code from the 28F flash memory series, typically a 2 Mbit boot block type.

PDF of about 41.4 KB covering the 5LN01S, catalogued as a schematic but most likely a component datasheet.

Bottom copper layout for the universal dos vas Matrix board, probably a dual voltage amplifier stage module, tagged langsung print for direct printing.

Small 38.6 KB PDF showing the bottom side of the Xiaomi Mi 4 LTE board, based on the board_down label in the name.

PDF sheet of roughly 41.8 KB for the 5LP02M part, filed under schematics. Only the part number is given; by the series pattern the LP letters likely signify a P-channel…

English-language PDF about DC-to-DC regulators, 3.13 MB, filed with schematics. The name carries a numeric code but no specific IC or board, so it reads as a general…

Issue 17 of El mundo de la electronica, a Spanish electronics course or magazine series supplied as a 1.31 MB PDF.

PDF titled in Spanish as a software course, catalogued under schematics but almost certainly training material rather than a circuit diagram.

PCB layout document in PDF for the Apple iPhone 5, showing component placement on the logic board.

PDF document about a broadcasting system, 402 KB, catalogued as a schematic. Apart from that topic the file name gives no model, brand or board number, so its exact…

Spanish PDF numbered topic 5 on disassembling mobile terminals, roughly 954 KB, part of a phone repair training series. It does not name a specific handset.

PDF covering the bottom side of the board labelled Cyperss Point, likely a misspelling of Cypress Point. It pairs with the top-side file in this collection.

Scanned photo reference for the Apple logic board 820-01814, saved as a 3.17 MB PDF. Apple marks its logic boards with 820- part numbers, and these scans show the real…

Small 173 KB PDF named dos vas, a short and uninformative title that most likely refers to a dual VAS layout, the voltage amplifier stage of a class AB power amplifier.

Copper pattern of the Apex Class A shunt board, viewed through the PCB from the component side, according to the Serbo-Croatian title.

Spanish course section 3.1 on the multimeter, provided as a 526 KB PDF within the workshop equipment chapter. No meter model is mentioned.

Circuit schematic in PDF for the Xiaomi M1s phone, with the Chinese part of the name meaning Xiaomi schematic diagram.