PDF schematic for the MSI MS-7B23 board, version 10, with an additional reference number 00017967 in the name, archived as RAR at about 2 MB.

Compal schematic for the PAL60 project, board number LA-6562P, provided as a PDF inside a 1.86 MB RAR.

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.

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…

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

PDF procedure document dated 20170811 describing a firmware update for the MP2949 IMVP8 voltage regulator controller on the ASUS UX490UAR.

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…

Copy of the TH50PV80D plasma television schematic marked with a -1 suffix, 10 MB in PDF, the same size as the unsuffixed file and likely a duplicate.

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.

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.

Schematic PDF with a short name showing only JV50, a MV tag, -1 and 0109, which is likely a project code with a revision and date, though the brand and model are not…

Service schematic for the Samsung Galaxy A50, model SM-A505F, supplied as a 7.32 MB PDF.

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.

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.

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

Block diagram for the Xiaomi Mi 4C smartphone in a compact 2 MB PDF. It gives a high-level map of the main subsystems, such as processor, memory, power management, radio…

Service schematic for the LG 32LS3400 LED television, Korean-market version, 5.77 MB PDF.

Schematic PDF titled i8200, about 3.76 MB, corresponding to the Samsung GT-I8200 model code, the Galaxy S III mini VE, although the name gives no brand or revision.

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…

SM4450 processor schematic in PDF form, 1.28 MB; the name gives no phone model, board number or revision.

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.

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.

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.

Part documentation for the 2SD1876 in PDF form, 89.6 KB, categorised under schematics. Only the part number is given in the name.

Datasheet PDF for the 2SD1979, filed under schematics at 42.4 KB. The 2SD prefix follows JIS convention for NPN bipolar transistors of the low-frequency class, and the E…

Datasheet PDF of 45.2 KB for the 2SK3280, categorised here as a schematic. The 2SK prefix indicates an N-channel field-effect transistor according to JEITA naming.

A compact 136 KB PDF for the 2SK2989, listed as a schematic yet by name a discrete transistor document. Under the JIS convention 2SK marks an N-channel FET.

A 30.3 KB PDF on the 2SK2659, listed in the schematic section but in practice the documentation of a single N-channel FET, as indicated by the JIS 2SK prefix.