Quanta R62 laptop mainboard schematic in PDF, with a 1022 tag that likely marks a date or build.

Troubleshooting guide in PDF for the Samsung SM-A105FN (Galaxy A10), where Tshoo is read as troubleshooting and 7 likely marks a service manual chapter.

Schematic in PDF for the MSI MS-7B28 desktop motherboard, revision 21, archived as a 1.08 MB RAR.

Earliest listed MS-7B28 schematic, revision 10, for an MSI desktop motherboard, in PDF form with reference 00017967 and packed into a 1.17 MB RAR.

Schematic for the ASUS X580VD laptop motherboard, provided as PDF in a 2.16 MB RAR, with no board revision stated in the name.

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…

Schematic of a 2.1 channel amplifier based on the TDA2030A, from Technical Mriganka, in a 416 KB PDF.

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…

Schematic in PDF format named simply SL410, about 1.32 MB, probably covering a ThinkPad SL410 mainboard, although the name confirms neither brand nor board number.

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…

PDF schematic for MSI MS-V372, revision 7.0, a code in the MSI graphics card numbering. No GPU or memory variant appears in the name.

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…

Datasheet for the ROHM BD28620MUV-E integrated circuit, 1.65 MB PDF, filed with schematics. The E suffix is part of the ordering code, usually indicating packaging.

Large 9.56 MB PDF identified only by a numeric name, filed as a schematic. The name gives no brand, model or board number, so the contents have to be checked by opening…

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.

Schematic for the Dell 1420 laptop, ELSA GM platform, provided as a PDF in a 2.85 MB RAR archive.

Circuit diagram in PDF named AS5670, most likely for an Acer Aspire 5670, though no brand, board number or revision is given in the name.

Schematic in PDF format identified only as AB540, in a 1.47 MB ZIP archive. The name gives no brand, device type or revision, so confirm the code against the markings on…

Schematic for the HP Pavilion dv2000 and Compaq V3000, two related laptops that share a Wistron-designed platform, according to the file 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…

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

A 5.40 MB PDF schematic for the Samsung BN44-00496A power board. BN44 marks Samsung TV power supply units, and the board sticker should show the same number and revision…

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

Topstar S42G schematic in PDF form, 1.22 MB. The file name carries no revision, so compare the title block revision with the code printed on your motherboard.

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

Schematic PDF for a Positivo laptop built on the Clevo M540S platform, with the name indicating the mainboard (MB) diagram, about 1.50 MB.

Schematic for the Dell Inspiron N5110, with 3550 also named, referencing the Wistron DQ15 project, as a 1.45 MB PDF.

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.

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.

Compact 37.6 KB PDF for the 2SD1834 transistor, an NPN bipolar part in the 2SD series, most likely a short datasheet rather than a circuit schematic.

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…

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…