Datasheet PDF, 312 KB, for the LM324 quad op amp, listed in the schematic category without a manufacturer in the name.

Datasheet in PDF for the KSC3503, an NPN transistor; the file name gives only the part number, so ratings must come from the document.

Another reference for the IRF540 power MOSFET, provided as a 117 KB PDF and indexed as a schematic despite being named a datasheet.

Schematic in PDF for the Quanta G3EC project, which corresponds to board number DAG3ECMBCD0.

Document for the 2SD1624, a PDF of 144 KB stored in the schematic section; with only a part number in the name it should be treated as a datasheet.

A compact 36.0 KB PDF for the 2SD1949 transistor. The 2SD prefix in the JIS system designates an NPN device for low-frequency circuits, so the content is expected to be…

At only 34.4 KB, this PDF is a short reference for the 2SD1913 transistor. Under Japanese JIS part numbering the 2SD prefix identifies an NPN device for low-frequency…

Second copy of documentation for the 2SK2887, a 139 KB PDF listed under schematics, with the part number written in lower case and no other information in the name.

PDF for the 2SK2299N, 137 KB, carrying an extra _1-5 suffix in the name whose meaning is not stated; it may mark an alternate edition or page range.

Component documentation for the 2SK1475, a JIS-style part number whose 2SK prefix identifies an N-channel FET.

Catalogued as a schematic, this small 46.1 KB PDF is in practice a component document for the 2SC4755, a part number that follows the Japanese JIS scheme, where the 2SC…

PDF reference sheet for the 2SC3184, filed in the index as a schematic but named after a single part number in the Japanese JIS scheme.

Compact 57.8 KB PDF named after the 2SC2206, with an _E suffix in the file name whose meaning is not stated.

The 2SC1359 named in this 55.6 KB PDF is, by its 2SC prefix, a Japanese-standard NPN bipolar transistor, so despite the schematic label the document should be a…

Component datasheet for the 2SB1434 transistor, filed under schematics but in practice a part reference rather than a board diagram.

A PDF document for the 2SA1604, an 84 KB file listed in the index as a schematic but named after a single discrete part rather than a board.

PDF of 97.5 KB covering the 2SA1729, a component listed in this index as a schematic although the name describes a single part.

PDF of 34.7 KB for the 2SA821S, one of the smallest documents in this group, with only the part number in its name.

Component data in a 47.8 KB PDF named for 2PD1820A, with the suffix 2 likely marking a document revision.

Covering the 1N746A to 1N759A range, this 74.3 KB PDF is a family datasheet for a series of JEDEC zener diodes, although the index files it as a schematic.

This 124 KB PDF is named with the code 5TUZ52 and listed as a schematic, though no device, board number or revision is stated.

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.

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.

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

A 986 KB PDF schematic identified only as T30, with no brand, revision or board number stated in the file name.

RAR archive of 5.99 MB labelled NB8607 with V4 in the name, likely indicating the fourth version or revision of the material.

Schematic for Compal motherboard LA-G871P, supplied as a PDF inside a 651 KB RAR archive. The name does not give the laptop brand, model or revision.

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…

Boardview for an H410M S2H V3 motherboard, a model name used by Gigabyte, revision 1.0, supplied in a ZIP with BDV and TVW versions according to the name.

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…

Archive A901-1-4-01 with an R2 suffix, likely revision 2, stored as a 692 KB RAR file. The name gives no manufacturer and no clear content type, so open it with WinRAR…

Apple 820-00840-A board package, a 4.85 MB RAR archive whose name gives only the logic board number and revision A.

Small 854 KB rar archive named only after the Lenovo board NM-D151, an LCFC design found in the GV451 and GV551. The name does not reveal what is inside.

Firmware package for an HP machine named T85 440 G8, on Quanta board X8Q with part number DAX8QAMB8D1 revision D, archived as a 20.7 MB RAR.

Schematic PDF for an Apple Mac mini logic board 820-3227, project code J50I. Apple identifies its boards with 820-xxxx numbers, and that number is the key to finding the…

RAR archive with Intel ME firmware 16.1.35.2557, named as a combined Corporate and Consumer package for the LP platform and tagged noncap, an unexpanded term that likely…

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 course section 3.6 about the professional soldering station, part of a chapter on workshop equipment, in a 320 KB PDF. No specific product model is named.

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

ASUS GL503V firmware package for board DABKLMB1AA0 revision A, containing both BIOS and EC images and marked as a working BIOS.