PDF schematic for the IBM ThinkPad R31, around 1022 KB. No board number, revision or hardware variant appears in the name, so identification rests on the model alone.

Circuit diagram identified as Z61AE, delivered as a 1.30 MB PDF. The name holds only this project code, without brand or revision, so verify the details on the first…

Schematic for Sony model PCG-61611, the regulatory model code that appears on the label of the notebook rather than the marketing name.

Acer Aspire 5220, 5220G, 5520 and 5520G schematic in a 744 KB PDF; the name gives no ODM, board number or revision, so open the title block to identify the mainboard it…

Acer Aspire 4520 series schematic from Quanta, project ZO3, board DA0ZO3MB6E0, revision 1A, in a 993 KB PDF.

Quanta ZH8 schematic for the Acer Aspire 1810T, 1810Z and AO752, with the SJM11-MS tag in the name, a 1.16 MB PDF.

PDF technical document for the Intersil ISL9241, a buck-boost battery charger controller found in many laptops.

PDF schematic for the SM7635 processor, as the name indicates, without any handset or board number given. At 1.97 MB it is readable in any standard PDF viewer.

Repair guide for the P553UJ notebook, abbreviated RG in the name, in a 726 KB PDF. These guides normally combine board photographs, component locations, typical voltage…

The 2SD2634 transistor is described in this 30.7 KB PDF, classified as a schematic though the name points to a datasheet.

Part data for the 2SD1805, supplied as a 96.5 KB PDF and categorised as a schematic. The name states nothing beyond the type number.

A 169 KB PDF for the 2SD1803, placed in the schematic category but evidently a component reference sheet. No manufacturer, revision or variant is named.

PDF sheet of 38.4 KB for the 2SD2575, with an _E suffix in the file name. Filed as a schematic, it most likely holds datasheet content, because 2SD is the JIS code for…

PDF sheet of roughly 41.8 KB for the 5LP02M part, filed under schematics. Only the part number is given; by the series pattern the LP letters likely signify a P-channel…

Datasheet-type PDF of roughly 41.9 KB for the 5LN02SP, placed in the schematic category.

Component documentation for 5HP02M, delivered as a 40.7 KB PDF. Despite the schematic label, the name is a bare part number with no board or brand information, so treat…

Datasheet for the 5HP01N part in PDF form, about 27 KB. No device or motherboard is named; the code with an N ending appears to be a package variant of the 5HP01 series.

Optocoupler datasheet for the 4N29, with the name indicating revision 4x, supplied as a PDF of roughly 287 KB.

Compact 38 KB PDF datasheet for the 2SD2142K, an NPN transistor named in the Japanese JIS scheme, where the trailing letter marks a specific package or variant.

Named after the 2SD2093, this PDF of 146 KB is most likely the component datasheet for that Japanese transistor.

Small 42.2 KB PDF filed as a schematic for the 3N256 part. Under the JEDEC system the 3N prefix marks a registered device with four leads, and the same size across 3N253…

Component sheet for the 3LN01M, a 41.2 KB PDF filed in the schematic category. The name is only a part code; sibling files 3LN01N and 3LN01C share the base number, so…

A 91.5 KB PDF titled with the JIS part number 2SD1886, which suggests a component datasheet even though the index tags it as a schematic.

Listed as a schematic, the 307 KB PDF titled 2SK118 is by name a component datasheet for a Japanese JIS-numbered device.

Datasheet PDF for the 2SK2889, 417 KB in size and indexed here under schematics. The name states nothing beyond the part number.

Documentation for the 2SK2855, a 125 KB PDF catalogued as a schematic, with no details in the name besides the part number.

PDF of 426 KB named for the 2SK2842 part number and filed in the schematic category. Because the 2SK prefix denotes an N-channel field-effect transistor in JIS…

Named for the 2SK2824 transistor, this 305 KB PDF is indexed as a schematic but is most likely a single-part datasheet.

PDF file of 314 KB for the 2SK2776, indexed under schematics. Since the 2SK prefix designates an N-channel field-effect transistor in the Japanese JIS system, the…

Reference sheet for the 2SK2739 in PDF format, 146 KB, indexed in the schematic section.

The 2sk2578 is the part described in this 34.5 KB PDF, filed as a schematic. JIS part naming uses 2SK for N-channel FETs; the name gives no package, maker or application…

Filed as a schematic, this 412 KB document named 2SK2229 most likely contains the datasheet for that Japanese-numbered N-channel FET.

Part datasheet for the 2SK2033, provided as a 296 KB PDF and filed under the schematic category. The 2SK prefix follows the JIS standard for N-channel FETs.

A 110 KB PDF dedicated to the 2SK1922, which the JIS 2SK prefix identifies as an N-channel field-effect transistor.

PDF document for the 2SK1530, filed under schematics although the name is only a semiconductor part number.

Part reference for the 2SK1452 in PDF form, 111 KB, classified as a schematic. The name states only the device number.

The 2SK1429 is covered by this compact 99.1 KB PDF, entered in the schematic category although a lone part number usually signals a datasheet.

Part reference sheet in PDF form for the 2SK663, carrying a 2SK prefix that under the Japanese JIS system denotes an N-channel FET.

PDF of 32.5 KB covering the 2SK656, a part from the JIS 2SK range of N-channel field-effect transistors, so it is effectively a component datasheet rather than a device…

At 151 KB, this 2SK543 PDF is one of the larger sheets in the series, probably including detailed characteristic curves and package dimensions.