Schematics for the Nokia 3600 handset in a 1.31 MB PDF. The extra s in the name is unexplained and no board version or revision is given.

Nokia 3300 service schematics, a 2.05 MB PDF covering the handset circuitry. The file name identifies only the model, with no revision or board number, so verify against…

Circuit diagram for the Nokia 6150 phone, stored as a 431 KB PDF. No revision or board issue is stated in the name, so check the drawing against the actual PCB layout.

Nokia 2300 schematic diagram, a PDF of 317 KB with no revision or board version mentioned in its name.

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.

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

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

Schematic diagram set for the IBM ThinkPad X61 ultraportable, 1.42 MB in PDF format. The name contains only the model, so the board number and revision are not…

Circuit diagram for the Z94 board, revision 1.1, as a 902 KB PDF. No brand or full board number appears in the name, so the cover page should be consulted to confirm the…

PDF schematic labelled UL20A, a 1.32 MB circuit diagram for the notebook mainboard carrying that model designation; the name gives no board number, revision or brand.

ASUS F5Z laptop schematic, an 863 KB PDF identifying the model but not the board revision or number.

Schematic for the ASUS Eee PC T91, with R12G in the file name most likely indicating a board revision, though that is not stated explicitly; the PDF is 597 KB.

Laptop schematic for the Toshiba Satellite A215, provided as a small 557 KB PDF. The name gives no ODM, board number or revision, so check the title block inside against…

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

Schematic diagram for the Apple iPhone 4S, supplied as a 1.34 MB PDF. It is useful for following signal paths and supply lines, locating the circuits behind faults such…

Samsung GT-I9300 Galaxy S III service manual, revision 1.0, 9.31 MB PDF. Manuals of this type generally cover specifications, disassembly, block diagrams, schematics…

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.

Schematic PDF for the HP TX1000 notebook. The file name gives only the model, with no board number, ODM project code or revision, so confirm the motherboard markings…

Schematic diagram for the HP NX6120 notebook in PDF format, 941 KB. Only the model is given in the name, with no board number, ODM project code or revision, so check the…

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.

Schematic PDF for the ASUS PU551JA laptop motherboard, revision 2.0, about 5 MB. The diagrams show power rails, the charger and PWM controllers, embedded controller…

PDF for the KIA324P, a KEC quad operational amplifier compatible with the widely used LM324, in a DIP package as the P suffix suggests.

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.

Compact 33.0 KB PDF on the 2SK1834 transistor. The 2SK prefix belongs to the Japanese JIS designation system and means an N-channel field-effect device, so the content…

Samsung SM-A205F schematics, the Galaxy A20, provided as PDF files inside a RAR archive of about 4.06 MB.

Filed under schematics, this 98 KB PDF is named after the part number 2SC4671, which follows the Japanese JIS designation for an NPN bipolar transistor.

This 39.4 KB PDF is labelled 2SC4656 with an E suffix. The E most likely marks an English edition from a Japanese maker, but the name does not say so outright.

Datasheet in PDF form for the 2SC4696, filed in the index under schematics although the name points to a discrete part document rather than a board diagram.

The 2SC3552 transistor is documented in this 121 KB PDF, catalogued under schematics though it is a component datasheet.

Small PDF reference, 47.7 KB, for the part 2PD601A, with the trailing 4 most likely the sheet revision.

Small 70.2 KB PDF for the 1SS396 component, placed in the schematic category. Given the 1SS numbering, the Japanese series for small-signal diodes, it is most likely a…

Part 1SS352 is the only information in this 68.4-style short PDF name; the file is 69.2 KB and most likely the data sheet for that small-signal silicon diode, as…

A small 105 KB PDF filed under schematics, with a name pointing to the 85C72-82 range. The name gives no device, brand or board number, and the code resembles a…

Filed as a schematic, this 160 KB PDF carries the bare code 409CNQ135 with no brand, model or revision attached.

Indexed as a schematic, the 75.3 KB PDF titled 30TPS appears to be a family datasheet for a series of power semiconductors sharing that prefix, rather than a circuit…

PDF listed as a schematic for the 28F020, with Intel named as the manufacturer in the file name. The 28F020 is a 2 Mbit parallel flash memory part.

PDF datasheet of 338 KB covering the 24AA01 and 24LC01B, the 1 Kbit members of this I2C serial EEPROM line.

Sony VAIO schematic in PDF format, 847 KB, covering the MBX-217 motherboard, with M851 most likely the ODM project code carried alongside it.