Schematic diagram set for the Nokia 6300 mobile phone, supplied as a 16.1 MB PDF. The file name gives no board number or revision, so compare the PWB code printed on the…

Additional Nokia E60 schematic file marked as number 2, 1.28 MB in PDF form, complementing the larger E60 diagram set.

Schematic drawings for the Nokia 5500 phone in a 1.31 MB PDF. The name lists only the model, with no board code or revision stated.

Nokia 5700 handset schematic in PDF form, roughly 953 KB. Apart from the model the file name carries no revision or board code, so confirm the PCB matches before relying…

Nokia 3210 schematics in a 981 KB PDF, with no board revision mentioned in the name. This classic handset is still repaired by collectors and technicians, and the sheets…

Schematic named 45IIX with no brand, model or board revision readable from the file name, so treat identification with care.

Circuit diagram for the Lenovo ThinkPad Edge E420, a 1.22 MB PDF with no board number or revision stated in the name.

Schematic for the Lenovo Z360 laptop built on the LL7A board, covering the discrete graphics version at revision 1A, in PDF form.

Compal schematic for the Lenovo XR150, board LA-2201 with project code DCL55 at revision 3.0, in PDF format.

Schematic for the Lenovo 3000 G230, marked in the name as the DDR3 version, so the memory pages apply to boards using DDR3 rather than older RAM.

PDF schematic for the Lenovo Y470, with the name giving the model only and no board number, ODM or revision.

Schematic PDF named LA46-Dis, with no brand, model or full board number stated, so the exact target is unclear.

IBM schematic PDF named only YUKON, which looks like an internal project code name; the name does not state the ThinkPad model or revision.

IBM ThinkPad T41 schematic, a 1.09 MB PDF with no board number or revision mentioned in its name.

Small schematic covering the touchpad board for the Sony MS70 project, associated with the MBX-160 mainboard, at revision 0.20.

Sony laptop schematic in PDF for the Quanta-designed GD1B platform, carried under Sony board number MBX-177A.

Schematic for Sony motherboard MBX-187, also carrying the IRX-5040 code, delivered as a compact 735 KB PDF.

Mainboard schematic tagged HK5 with the note mb-pvt-0202a, indicating a production validation test build and an internal date or version code; no brand or board number…

Schematic for Quanta project TT9, revision R1A, in an 820 KB PDF, the second copy of an identical document.

Short PDF document of 124 KB titled DMI process, catalogued as a schematic but more likely a procedure guide. No laptop brand or model is named.

Schematic PDF of about 990 KB with a generic messaging-app style filename that gives no model information, though board number 6050A2364601 has been identified for it.

PDF schematic labelled only CQ32, which most likely refers to the HP Compaq Presario CQ32 notebook, though the name gives no board number, ODM or revision.

Small 197 KB PDF for the Gigabyte GA-Z170X-Gaming G1, revision 1.0, labelled as boardview despite the PDF format.

PDF for the KA4558, a dual operational amplifier in the KA series, equivalent in function to the familiar 4558 dual op amp, size 121 KB.

Part document for the 2SC4517, a 27.9 KB PDF listed as a schematic; the name holds only the part number.

Reference for the FGH40N60SFD IGBT, with the name stating 40 A and 600 V, supplied as a 463 KB PDF.

Datasheet-style PDF covering the BD233, BD235 and BD237 family of medium-power transistors, filed here under schematics.

PDF data for the BC328 PNP transistor, the name listing minus 30 V and minus 800 mA ratings, filed under schematics at 53.5 KB.

Catalogued as a schematic, this 27.2 KB PDF carries only the code 3LP01SS, which looks like a component part number with a two-letter SS suffix.

Another copy of documentation for the 2SD1458 NPN transistor, stored as a 48.8 KB PDF under a lowercase file name.

Stored under a lowercase name, this 52.3 KB PDF covers the 2sd2318 transistor. In the Japanese JIS scheme the 2SD series contains NPN devices for low-frequency duty, so…

The 2SK2750 is covered by this 394 KB PDF, indexed as a schematic but most likely the component datasheet, since 2SK is the JIS prefix for N-channel FETs.

A 135 KB PDF covering the 2SK2711 transistor. The extra 1-5 token in the name is not explained and may point to a page range or document revision.

Reference PDF for the 2SK2459N, sized 133 KB and indexed as a schematic, though the JIS-style name points to a single-component datasheet for an N-channel FET.

The name 2SK1446LS marks this 32 KB PDF as covering an LS-suffixed version of the 2SK1446.

Datasheet-style PDF for the 2SK1412LS, a Japanese 2SK-series N-channel field-effect transistor, filed in the index under schematics.

Datasheet-style PDF for the 2SK669, a part number in the JIS 2SK series used for N-channel field-effect transistors, listed in the index as a schematic.

Reference PDF for the 2SK620, a JIS-series N-channel field-effect transistor, weighing 35.6 KB and listed under schematics though it is most likely a datasheet.

Only the part number 2SJ512 appears in the name of this 455 KB PDF, which the index lists among schematics.

At just 31.4 KB, the PDF named 2SJ499 is probably a short datasheet or summary sheet, even though it is filed as a schematic.