At 616 KB, 1B31.pdf is the largest of the 1B-coded files and is listed as a schematic, yet its name says nothing about device, maker or board revision.

A 233 KB PDF named 1B22, catalogued as a schematic, whose short code gives no device, board number or brand.

Small 140 KB PDF whose name is simply the number 75005382, carrying no hint of manufacturer, device or component type.

This 126 KB PDF, tagged as a schematic, is named 440cmq030, with no brand or device identified.

A 114 KB PDF filed as a schematic and named 85eps08, with no brand or device given. The code looks like a power rectifier part number with a voltage-class suffix, though…

The name 81CNQ035A on this 233 KB PDF identifies a rectifier part code in the International Rectifier dual Schottky family rather than a board, so although it is filed…

Catalogued as a schematic, this 117 KB PDF is named 400DMQ035 and states no device, brand or revision.

Indexed as a schematic, this 115 KB PDF is named 62l256 and gives no laptop model, board number or revision.

Listed as a schematic, this 55.7 KB PDF is named only 61cnq, a truncated code without suffix, model, brand or board revision.

The code 60EPS08 is the only information in the name of this 68.1 KB PDF, filed among schematics. There is no device model, brand or board number to go on.

A 71.7 KB PDF in the schematic section, named 60CTTN015, with no model, manufacturer or revision stated.

Compact 55.6 KB PDF in the schematic category, titled 60CNQ with no device model, manufacturer or revision.

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.

Filed under schematics, the 96.3 KB PDF carries the code 48CTQ060L and no device, brand or board information.

Catalogued as a schematic, the 39.3 KB file 30WQ05F carries what looks like a rectifier diode part number and is likely a short datasheet.

A 164 KB PDF catalogued as a schematic and titled 28C64B, the B revision of the 28C64 64 Kbit parallel EEPROM code. The name names no vendor or package.

PDF of 129 KB titled 27C16, filed as a schematic but corresponding to an early member of the 27C EPROM family by its part number.

Code 20CJQ100 names this 201 KB PDF, which is catalogued as a schematic but identifies no brand, model, board number or revision.

The base 16TTS document, a 93.7 KB PDF indexed as a schematic, identifies no laptop model, board number or revision.

A 638 KB PDF named 16M-DRAM, filed as a schematic. The name indicates a 16-megabit DRAM device or document but gives no manufacturer, part number, board or revision, so…

A 50.5 KB PDF named 16cyq150c, listed as a schematic, although the name reads like a discrete semiconductor part number in the style of International Rectifier and…

A compact 21.9 KB PDF labelled 15mq040 and classed as a schematic. The small size and the part-number style name suggest a short datasheet for an International Rectifier…

Tagged as a schematic, the 201 KB PDF named 15eth03 appears to be a datasheet for a discrete rectifier in the International Rectifier or Vishay naming style, a…

Datasheet-style PDF for the 10CTQ150, about 135 KB, listed in the index as a schematic.

Dell Vostro 3450 schematic in PDF form, 805 KB. The name lists no ODM board number or revision, so check the title block inside for the project code before relying on…

PDF schematic for the Compal LA-A972P laptop motherboard, 1.19 MB. The file name gives only the board identifier, so brand, model and revision are not stated.

Schematic archive for a board coded IPPLP-RH, packed as a 4.49 MB RAR containing a PDF.

Small zip archive listed as a schematic, named only M546B. The name gives no brand, board revision or document details, so the contents have to be checked before use.

Spanish PDF guide on using a soldering iron (cautín), 495 KB, with no device or model involved. It is training material for basic hand soldering rather than a schematic.

Schematic package for the X170SM board, delivered as a PDF inside a RAR archive. X170SM follows Clevo model numbering, though the name itself gives no revision.

Schematic for a Lenovo LCD monitor, model D222, supplied as PDF in a RAR archive. Monitor schematics usually cover the power supply board, backlight driver and scaler…

Schematic for the Gigabyte GA-P55-USB3 motherboard, revision 2.0D according to the name, provided as PDF in a RAR archive of about 1.5 MB.

MSI MS-V328 graphics card schematic, revision 30, delivered as a decrypted PDF marked 00017967 inside a 905 KB RAR archive.

Cover page of the Samsung SM-A325M service manual, a small 162 KB PDF. This section usually carries only the model name, manual title, revision and copyright notice…

Laptop mainboard schematic for the Quanta TE1 design, provided as a 720 KB PDF with no revision or retail model in its name.

PDF schematic for the Acer Aspire A514-52K laptop, main board NB8517 MB V2, delivered in a 3.49 MB RAR.

Schematic for the Clevo 6-71-NH500 motherboard, sub-revision D02B, supplied as PDF inside a 7.14 MB RAR.

Schematic for the Gigabyte GA-B85M-D3H, revision R12, provided as a PDF in an 884 KB RAR.

Sony KDL-26S3000 LCD TV power section schematic in PDF format, about 221 KB. It shows the supply circuitry so a technician can follow the standby and main rails, measure…

PDF for a Zener 100 W mono amplifier with a quasi-complementary output stage, as indicated by the Spanish word cuasi, 569 KB in size.