A 153 KB schematic-category PDF whose name, 60HFU, states no brand, product or board revision.

Tone control circuit intended for a 2.1 channel audio system, in a 159 KB PDF. It shows the bass and treble adjustment network that sits between the source or preamp and…

Large 9.56 MB PDF identified only by a numeric name, filed as a schematic. The name gives no brand, model or board number, so the contents have to be checked by opening…

LG-branded PDF catalogued as a schematic, though its name only says LG Software and gives no model, board number or revision.

Small 72 KB PDF giving the specifications of the 2SD2120 transistor, an NPN type by its Japanese JIS prefix.

Carrying only the part number 2SC5030, this 212 KB PDF is categorised as a schematic, but the JIS 2SC prefix identifies an NPN transistor and the file is most likely its…

162 KB PDF for the 2SB772, a widely used PNP power transistor with a JIS part number, where 2SB stands for a low-frequency PNP device.

A 444 KB PDF for the 2N7000 carrying the tag Sam, which probably identifies the manufacturer that issued it, although the name does not expand the abbreviation.

At 207 KB, this schematic-category PDF named 60EPF10 is somewhat larger than its sibling files, but its name still gives no manufacturer, product or revision.

Mirrored PCB artwork for a Zener amplifier board, a 237 KB PDF; espejo is Spanish for mirror.

PDF schematic titled only R60, about 1.63 MB, with no brand, model or board number in the name.

Schematic PDF of 3.33 MB titled VST59SP89, with no brand or device description in the name, so the exact equipment it covers is unclear from the label alone.

PDF document of 1.56 MB labelled Table B - 1 with the marking MV4-94V-0, filed as a schematic. The name does not identify a device, brand or board number.

The 2SA1962, a PNP bipolar transistor by its JIS 2SA prefix, is documented here in a 174 KB PDF. Filed as a schematic, it is most likely the manufacturer datasheet.

A 255 KB PDF for the 2N4918, tagged RE in the name, possibly a revised or alternate edition though this is not defined.

PDF of 102 KB, indexed as a schematic, with the name 60CTQ045 as its only identifier. No laptop model, board number or revision is included.

PDF schematic, 950 KB, named only U6V. The name gives no brand, board number or revision, so confirm what it covers from the document title block.

Schematic document named X40, a 1.88 MB PDF without brand, board number or revision in its title.

Schematic in PDF form for the Gigabyte GV-N2060AORUS X-6GC, the Aorus Xtreme GeForce RTX 2060 6 GB card, revision 1.0, inside a RAR archive.

PDF listed as the schematic for the Acer Aspire E5-574 and E5-574G, tagged with the project name Zoro SL.

The 2SK2152 is covered by this 93 KB PDF, listed as a schematic but named only by its part number, so it is most likely the transistor's datasheet.

At 330 KB, this PDF named 2SJ168 is the largest in its series and likely a fuller datasheet for that JIS-numbered P-channel field-effect transistor, possibly with…

Close in number to its neighbours, 2SC4645 is another JIS-coded NPN transistor, and this 147 KB PDF is probably its datasheet.

The largest item in this group at 335 KB, this PDF is named 2SC5339 and gives no device or board information.

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.

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

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

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

PDF sheet named BQ24728, a Texas Instruments notebook charge controller part number, at 94.3 KB.

Schematic in PDF, about 420 KB, named only SEM2105, so the name does not identify a laptop model or board number.

Small 91.1 KB PDF named sn608098, filed as a schematic. The name does not reveal the device; it may be a Texas Instruments component number, though that cannot be…

Apple iPad schematic, 1.26 MB PDF, whose name says full schematic but does not specify the generation or board number.

Schematic for the MSI MegaBook M610, mainboard MS-1004 revision 0A, in a 738 KB PDF. MSI uses MS-prefixed codes for the notebook boards it builds itself, so the number…

Acer laptop schematic for Compal board LA-E892P, revision 1A, with project code C5V01 and a 0418A date stamp in the name.

The 3N248 is covered by this 43.6 KB PDF, indexed under schematics but named only by its JEDEC part number.

PDF datasheet, 173 KB, covering the 2SK1740. The 2SK series in JIS nomenclature consists of N-channel FETs, and this document is likely its specification sheet.

Reference PDF for the 2SD973, 53.5 KB, with an _E suffix the name leaves undefined. It sits in the schematic category, but the JIS 2SD prefix marks an NPN transistor for…

Part number 2SC4454 gives this 101 KB PDF its name, and the index places it in the schematic group.

Part number 2SC5354 is all the name reveals about this 129 KB PDF, so it is not tied to any identified device.

A 30.5 KB PDF carrying the 2SA1528 part number; it is filed as a schematic, but a file named after one transistor is normally its datasheet.