PDF of 352 KB for the 74AC14, a hex inverter with Schmitt-trigger inputs from the advanced CMOS family, listed under schematics.

Datasheet PDF, 64.6 KB, for the KA7500B, a PWM control IC from the KA7500 series and a TL494-style design widely found in computer power supplies.

Reference sheet in PDF for the RJH60F7, an IGBT the file name rates at 50 A and 600 V. Devices of this type turn up in induction heating appliances, inverter welders and…

PDF for the CEP540N transistor, with the name noting 100 V and 36 A ratings, about 626 KB in size.

Short 28.6 KB PDF filed under schematics with the name 3LP01N, a code that resembles a discrete semiconductor part number with an N suffix.

A 55.2 KB PDF named after the 2SK2348, a JIS-registered type whose 2SK prefix indicates an N-channel FET.

The 2SK427 document is a 226 KB PDF filed as a schematic, but the 2SK prefix marks an N-channel field-effect transistor in the JIS numbering scheme, so it is effectively…

A compact 44.5 KB PDF labelled 2SJ520 and catalogued as a schematic. Because 2SJ is the JIS prefix for P-channel FETs, the document is best treated as a short datasheet…

Only the part number 2SJ275 appears in the name of this 97.0 KB PDF. That code follows Japanese JIS numbering, where 2SJ indicates a P-channel field-effect transistor…

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.

Named simply 2SJ226, this 84.5 KB PDF refers to a JIS-registered P-channel FET and most likely contains the part datasheet, even though it sits in the schematic section.

PDF reference, around 129 KB, covering two power ICs identified by marking codes: Qq for the SY8386BRHC and 3a for the SY8388C3RHC.

Schematic set for the Xiaomi POCO M3 in PDF form, packed inside a 4.20 MB RAR archive. Once extracted it opens in any PDF reader and lets a technician search for net…

Listed under schematics but named only after a part number, this 91.6 KB PDF most likely holds the datasheet for the 2SC4188 transistor.

A brief 48.3 KB PDF on the 2SC3504, catalogued as a schematic but containing transistor data.

Compact 49.5 KB PDF for the 2SC3354, with an _E suffix in the name that may indicate an English-language edition, though the name does not confirm it.

PDF of 25.8 KB carrying only the code 2pg302 in its name and filed under schematics. No laptop model, board number or manufacturer is stated, so the content cannot be…

PDF of 47.7 KB named 2PD602A, apparently issue 4 of the document. The name identifies a part rather than a product or board, which points to a discrete semiconductor…

PDF of 168 KB filed as a schematic and named 2N2219A, a designation in the JEDEC 2N numbering used for discrete semiconductors.

A compact 75.6 KB PDF indexed as a schematic but named 31DQ09, a code that looks like a rectifier diode part number, not a motherboard.

Part-number-style PDF, 176 KB, labelled 27lc040 and listed here as a schematic. The pattern matches the 27-series UV or OTP EPROM family, with LC typically denoting a…

Filed under schematics at 212 KB, the PDF named 20ETF-S gives no device, board or revision details.

Lenovo NM-A221 schematic, provided as a PDF compressed into a 1.51 MB ZIP file. The NM-prefix board number belongs to LCFC, the Lenovo-owned company that designs and…

Schematic in PDF form, packed as a RAR archive, for the Inventec ARMANI MV build, board number 6050A2266501.

Schematic for the IBM-branded ThinkPad X61, stored as a 1.42 MB PDF. The name carries a bracketed numeral typical of a duplicated saved copy and lists no board number or…

Schematic in PDF form for the ASUS A7Sv notebook, 7.56 MB in size; the name does not state a board number or revision.

Schematic PDF for the Dell Inspiron N5110 laptop, 1.45 MB; the (1) suffix suggests a duplicate copy, and no board number or revision appears in the name.

Schematic PDF for the ASUS FX506L and FX706L gaming laptops, with board number DABKXDMB8E0 (BKXD).

ZIP archive of schematics named only A042F, with no brand or revision given in the file details.

Schematic set for the Xiaomi Mi 10T, with the sub board included according to the name, in a 1.52 MB ZIP.

PDF document filed under schematics, titled only as unit two in Spanish (unidad 2), which suggests a chapter of a repair or electronics course rather than a board…

Schematic in PDF form for the Dell Latitude 5400, EDC41 platform, Compal board LA-G891P, packed in a RAR archive.

Front camera page of the Samsung SM-A20S schematic, supplied as a 4.63 MB PDF. It lays out the selfie camera connector, its supply rails, clock and data lines, and…

Handsfree circuit page from the Samsung SM-A05 schematic, a 2.85 MB PDF. It deals with the headset jack: detect line, left and right audio outputs, headset microphone…

Schematic diagram for the HP ProBook 4320s and 4321s, Quanta motherboard DASX6AMB8G0 at revision G.

Schematic PDF for board LA-1511 at revision 1.0, size 1.05 MB. The LA- prefix resembles Compal's board numbering, though the name gives no model and this older style…

Schematic for the Microsoft Surface Pro 5, board M1007506-015 at revision U23, delivered as a PDF.

PDF schematic, 1.95 MB, for the Lenovo ThinkBook 14p Gen 3 with mainboard NM-E561. NM- numbers come from LCFC, Lenovo's own design company.

Samsung NC10 netbook schematic, board code-named WINCHESTER, revision 1.0, with a date of 20 August 2008 in the name; the file is a 1.54 MB PDF.

PDF schematic for the NP-M70 notebook, 4.24 MB in size, with no board number or revision given in the file name.