Diagram of a 2.1 preamplifier joined to an audio power amplifier, taken from a YouTube project; the doubled pdf extension is just a naming slip.

Hi-fi 2.1 amplifier schematic credited to SeahorseDIY, in a 688 KB PDF. It covers a stereo-plus-subwoofer layout, likely with the crossover or filter stage feeding the…

ASUS N53SV motherboard boardview for revision 2.1, an FZ file packed in a 217 KB RAR archive.

Schematic in PDF format for a Pegatron board identified as C15B RG, packed in a RAR archive.

Boardview for the NSBW140X motherboard, VB1 build, in CAD format, with a date-style label of 0812 1030, packed as a small 193 KB RAR. No brand is stated in the name.

Persian-language PDF tutorial on how to use datasheets of electronic components, catalogued under schematics although it is a training document.

Compal schematic for the LA-9061P main board at revision 2A, in PDF. The name gives no laptop model or brand, but LA-9061P is the Compal board for the VIWZ1 and VIWZ2…

Electronics-for-beginners guide in Spanish, a 5.77 MB PDF filed under schematics but by its title an educational text rather than a device diagram.

ZIP archive of nearly 19 MB for the ASUS X421IA laptop, with R2.0 in the name, most likely the mainboard revision.

Schematic PDF for the GL504GM motherboard, revision 2.1. A technician uses it to follow the power-up sequence, identify PWM controllers and MOSFETs, and locate the…

PDF schematic labelled Z84J, roughly 2.6 MB. The name states no brand, revision or model, so identification relies on the title block inside and on the code silkscreened…

Archive in RAR format, 1.17 MB, for the Toshiba Satellite L850 on a Pegatron-made motherboard, as the name states.

Schematic in PDF form, 1.72 MB, named TERESA20. The name carries only what looks like a project code name with no brand, model or board number, so open the file and read…

Schematic for a T43, stored as a 1.14 MB PDF; the suffix _2 in the name suggests a second copy or alternate version, but no board number or revision is stated.

RAR archive for the Lenovo C510m, 1.77 MB in size. The name carries only the model and gives no board number, revision or document type, so the contents must be…

Archive for the Lenovo B570 laptop, naming Wistron as the board maker and LZ57 as the project code Wistron uses for this design.

RAR archive for the IBM ThinkPad R52 version with integrated VGA, filed under Lenovo, about 1.71 MB.

Boardview archive for the Wistron EA40-CX board, number 12280-3, containing BDV and BRD format files.

Small 412 KB zip associated with Quanta board DA0R05MB8D2 at revision D. Its compact size suggests a single item, perhaps a boardview or a compressed BIOS image rather…

ZIP file of 5.21 MB named 081ED, carrying no model, brand or document description. Similar short hexadecimal-style names appear in some Dell BIOS collections as system…

Boardview for the HP 510 on the VV09 Intel UMA (integrated graphics) design, Vulcain UMA AX1 dated 20081226 and labelled A01 final, in BRD format inside a RAR of about…

Schematic PDF for the Wistron Cedar Intel motherboard 13269-1, with PWB FX3MC at revision A00.

Compal LA-6841P schematic in PDF form, revision 0.1, compressed as RAR. LA-prefixed numbers mark Compal-designed main boards, used by several notebook brands.

Small Persian plain-text document of about 19.9 KB, whose title begins with words meaning everything you should, so the full subject is not clear from the name.

Schematic for the Acer TravelMate P653-V on the Wistron 11288-1 motherboard, distributed as a PDF inside a 1.94 MB RAR.

Schematic PDF for a board labelled Z96Fm, revision 1.0, 4.60 MB, not archived. The name gives no brand or device model, so verify the code and revision printed on the…

ASUS X455LD boardview for board revision 2.1, packed in a 197 KB RAR archive. The layout data shows part placement, reference designators and net connections, which…

ASUS X540LJ archive, a 799 KB rar whose RG suffix is not explained in the name, so its exact contents are unclear.

ZIP archive of about 5.6 MB named la22c350d1, which reads as a television model code; the name gives no detail on what is inside, so expect a service manual, schematic…

Second copy of the THL32C3D TV service document, a 16.2 MB PDF with a -1 suffix and the same size as the unsuffixed file, so it is most likely a duplicate.

Boardview for Toshiba Satellite E45T and S40T laptops using the CA10SU / CA10CU motherboard, in a 182 KB RAR.

Uninformative 4 MB raw dump named orig, most likely an original read of a working BIOS chip. Neither the device nor the board number is identified by the name.

WPH boardview of roughly 2 MB carrying the code JE40D103, which reads like a motherboard project identifier with revision digits; no brand or laptop model appears in the…

BIOS dump for a Fujitsu SH530 notebook on motherboard 10224-1, a number in the Wistron pattern, where the trailing digit indicates the revision.

Boardview for Quanta board DAFFKAMB8D0, project FFKA, in ZIP format. Quanta labels boards as DA plus project code plus MB and a revision suffix, here 8D0; the name does…

Boardview for the ASUS P5VD2-X motherboard, supplied as a RAR that contains the BDV layout file.

Boardview in BRD format for the Wistron 15238-1 LS710 mainboard, the board used in the Lenovo IdeaPad 710S series, packed as a 152 KB RAR.

MSI boardview in BRD format, 436 KB, whose name carries only the number 16911. That number likely relates to an MSI MS-1691 notebook board, but the name does not confirm…

Spanish guide on using the multimeter, a 262 KB PDF catalogued as a schematic but serving as basic training. No device or board number is stated.

Boardview for Quanta board FL3, revision D, number DAFL3BMB8E0, compressed as a small 106 KB zip containing a BDV file.