Top-side board drawing for the Xiaomi Mi 4 LTE phone, a compact 42.9 KB PDF indicated by the board_up label.

Wistron schematic for the SJV50-TR project, revision -1 with a 1Sec suffix in the name, provided as a 1.21 MB PDF.

Schematic PDF of about 737 KB for an HP 15-sb series laptop, motherboard 6050A2412801, with the token MB-DB 20100809 suggesting the main board and daughter board sheets…

Samsung C3322 schematic, a 937 KB PDF for this dual-SIM feature phone. The name states no board revision.

Schematic diagrams for the Nokia 6220 handset in a 1.58 MB PDF. Neither board code nor revision appears in the name, so verify the PCB label against the document before…

Schematic diagrams for the Nokia 7210 colour-screen phone, a 4.56 MB PDF. The name provides only the model, with no board number or revision, so confirm the main board…

Nokia N91 music phone schematics in a 2.27 MB PDF. The name does not state a board code or revision, so confirm the PCB markings against the document before relying on…

Schematic diagrams for the Nokia 7600, the unusually shaped 3G handset, supplied as a 1.67 MB PDF.

Schematic PDF for the Lenovo IdeaPad Z500, 1.43 MB in size. The name gives no board number or revision, so open the document and compare its title block with the…

ThinkPad T60 schematic in a 1.63 MB PDF, with GM in the name most likely pointing to the 945GM chipset build with integrated graphics; no revision is stated.

Schematic for the Lenovo ThinkPad W700 in its DDR3 memory version, provided as a 2.22 MB PDF.

Schematic diagram in PDF for the IBM ThinkPad R40, roughly 1.45 MB; the name gives no board number or revision.

Troubleshooting chapter for the Samsung GT-S7580 and GT-S7582 phones, section 7 of the service manual, in a 3.08 MB PDF.

PDF reference of 116 KB for the CA3306, a CMOS flash analog-to-digital converter in the Intersil and Harris CA-series line.

Covers the 2SD2218 NPN transistor in a 122 KB PDF filed under the schematic category. Only the transistor type appears in the name.

Single-part PDF of 47.0 KB for the 2SD2583, listed as a schematic but most probably a datasheet.

Compact 42.8 KB PDF for the 2SD2537, listed as a schematic though the name points to a single-component datasheet.

Component documentation for the 4N38 optocoupler, filed under schematics though it is in practice a part datasheet in PDF form of about 140 KB.

The 2SD2079 PDF, 219 KB in size, is indexed as a schematic yet corresponds to a single discrete component.

PDF of 119 KB for the 2SD1664, written in lowercase in the original name and filed as a schematic.

The 2SD1628 is covered in this 88.3 KB PDF, catalogued with schematics though it relates to a single transistor.

Indexed as a schematic, this 109 KB PDF is titled 2SD1621, a transistor part number, so treat it as a datasheet rather than a circuit diagram.

Component documentation for the 2SD1881 transistor, supplied as a 90.6 KB PDF and catalogued as a schematic, though a part number like this normally points to a…

Compact 43.6 KB PDF named for the 3N249 and filed as a schematic, although it is almost certainly a component datasheet.

Largest in this set at 269 KB, the PDF 2SD2414 is catalogued as a schematic, yet its 2SD prefix marks an NPN bipolar transistor under the Japanese JIS scheme.

Filed under schematics, though the file name is simply the JIS part number 2SD1903, so expect a component datasheet in this 131 KB PDF.

The 2SK3413LS is documented in this compact 32.2 KB PDF, indexed as a schematic but effectively a component datasheet.

For the 2SK3411 transistor, this 32.0 KB PDF provides the component reference, even though the index files it as a schematic.

The 2SK3291 transistor is the subject of this 34.2 KB PDF, filed as a schematic although it works as a datasheet.

Here the 2SK3285 is documented in a 48.6 KB PDF, placed in the index's schematic section.

Datasheet-style PDF for the 2SK3018, indexed here under schematics, though the 2SK prefix marks a Japanese JIS-registered N-channel field-effect transistor rather than a…

The name of this 421 KB PDF carries just one token, 2SK2836, a JIS-format number for an N-channel FET.

Part reference for the 2SK2782, delivered as a 419 KB PDF under the schematic label. The 2SK prefix follows Japanese JIS numbering for N-channel field-effect…

PDF reference for the 2SK2749 transistor, 412 KB, stored in the schematic section. Under Japanese JIS numbering the 2SK prefix identifies an N-channel field-effect…

Filed under schematics, this 138 KB PDF is named after the 2SK2463, a JIS-style part number, so it is most likely a component datasheet rather than a board drawing.

Indexed as a schematic, this 99.3 KB PDF is titled 2SK2406 and is most probably a datasheet for an N-channel field-effect transistor, as the 2SK prefix indicates under…

Document for the 2SK2400, 403 KB in PDF format and listed as a schematic, although the name points to a single-component datasheet.

Datasheet-style PDF, 55.1 KB, for the 2SK2347 semiconductor, stored in the schematic section of the index.

The 2SK2312 is covered by this 391 KB PDF, catalogued under schematics yet most likely a component datasheet.

A 423 KB PDF referencing the 2SK2311, with no details in the name beyond the part number.