Component placement drawing for the Apex AX 20 amplifier board, a 61 KB PDF. It shows where each resistor, capacitor, transistor and connector sits on the PCB, which…

Tone control circuit intended for a 2.1 channel audio system, in a 159 KB PDF. It shows the bass and treble adjustment network that sits between the source or preamp and…

Speaker protection circuit for a 2.1 audio setup, a user-drawn design in a 139 KB PDF. Such boards normally delay relay engagement at power-up to stop thumps and…

Electrical part list for the Samsung SM-A750FN, a Galaxy A7 2018 variant code, provided as a 393 KB PDF.

Laptop schematic for model code U6V, a PDF of 950 KB. The name carries no brand, board number or revision, so confirm the project in the title block matches the PCB in…

PDF schematic for MSI board MS-16811, revision 0A, packed in an 823 KB RAR. A separate revision 0B schematic exists for the same board, so match the revision printed on…

Schematic for MSI motherboard MS-16811 at revision 0B, provided as a PDF inside an 826 KB RAR archive.

Quanta schematic for the ZQH project in PDF form, compressed into a 679 KB RAR. The name gives no laptop brand or revision, so check the board marking to confirm it is a…

Repair guide PDF for the ASUS U36SD laptop, likely the RG token in the name, catalogued as a schematic and packed in a 430 KB RAR.

Short 310 KB PDF listed as a schematic and identified only by the code 00001772A, so no device, maker or board number can be read from the name.

Laptop schematic PDF of 845 KB for a Foxconn design code-named Chicago, built on the Intel Montevina platform with UMA, meaning integrated graphics without a discrete…

Schematic for the Samsung Galaxy J2 covering the SM-J200H and SM-J200G models, in a compact 301 KB PDF. Its small size suggests a partial or condensed set of pages.

Power supply schematic for Samsung part BN44-00508B, supplied as a 553 KB PDF, revision B. BN44 numbering covers Samsung TV power boards.

Power supply schematic for the Samsung BN44-00472A board, a small 92.5 KB PDF. BN44 numbers designate Samsung TV power units.

Power board schematic for Samsung BN44-00438A, provided as a 637 KB PDF. BN44 numbers mark Samsung TV power supply units, and revision A should match the sticker on the…

Samsung documentation for the LTM240M1-L01 LCD panel, a small 619 KB PDF, most likely the panel specification sheet rather than a device schematic.

PDF schematic for the Lenovo C510m, an 856 KB document; the name carries only the model, with no board number, revision or chipset details.

Nokia 6680 circuit schematics stored as a 1.48 MB PDF for this 3G Symbian phone. The name carries no board number or revision, so compare your main board marking with…

Repair guide PDF for the ASUS Zenbook UX305UA, 880 KB, catalogued with schematics. The name suggests a service-oriented document, likely covering disassembly…

CD4066 reference document, a 174 KB PDF for the CMOS quad bilateral analog switch. Listed as a schematic, though it is most likely the datasheet with pin diagram…

Datasheet PDF, 137 KB, for the 2SD1841, part of the Japanese 2SD range of NPN bipolar transistors, catalogued here under schematics.

Reference sheet in PDF format, 137 KB, for the 2SD1840 transistor from the 2SD family of NPN bipolar devices; despite the schematic label, expect datasheet content.

An 88.0 KB PDF for the 2SD1838, a Japanese-registered NPN bipolar transistor, best treated as a datasheet even though it is indexed as a schematic.

Datasheet for the 2SD2271 transistor, a 219 KB PDF and one of the larger files in this 2SD group, so it probably includes detailed characteristic curves.

English-language datasheet, as the _E suffix suggests, for the 2SD2260 NPN bipolar transistor, supplied as a 45.3 KB PDF in the schematic section.

The 2SD2225 transistor is described in this 44.3 KB PDF, listed as a schematic in the catalogue. The _E tag in the name refers to an edition of the document.

A 143 KB PDF catalogued as a schematic, covering the 2SD1801 semiconductor part. Under the Japanese JIS numbering system the 2SD prefix marks an NPN bipolar transistor…

Covers the 2SD2195, a part whose JIS-style 2SD prefix identifies it as an NPN bipolar transistor rated for low-frequency work.

At 275 KB, this PDF for the 2SD2586 is larger than most in the series and may include more detailed characteristic curves or package drawings.

Sized at 299 KB, this PDF for the 2SD2559 is one of the more detailed files in the 2SD series and may include extended characteristic graphs.

Datasheet-type PDF of 308 KB for the 2SD2553, filed under schematics. The Japanese JIS designation 2SD identifies an NPN bipolar transistor intended for low-frequency…

Datasheet-style PDF named after the part code 5HP02N, about 41 KB in size and filed with schematics.

Datasheet PDF for 5HN02N, roughly 41 KB. The name gives only the part designation, with N most likely marking a package option, and no board, model or brand.

Component datasheet for 5HN01SP, about 27 KB in PDF. The name holds only the part code, where SP most likely indicates a package style, and gives no laptop model or…

PDF reference of 26.7 KB for the part 5HN01S. Catalogued with schematics, it concerns one discrete semiconductor, the S ending probably identifying a package variant.

Small 72 KB PDF giving the specifications of the 2SD2120 transistor, an NPN type by its Japanese JIS prefix.

Reference sheet for the 2SD2116 NPN transistor, supplied as a 74 KB PDF. Its name follows the Japanese JIS 2SD convention and carries nothing beyond the part number.

PDF reference sheet for the 2SD1682 transistor, 150 KB, stored in the schematic category.

Reference document for the 2SD1662 transistor, 137 KB, PDF format, placed in the schematic category.

PDF document for the 2SD2028, 91.1 KB, filed in the schematic category. Only the part number is given.