Indexed as a schematic, this 108 KB PDF documents the 2SC4891, an NPN transistor by JIS designation.

A 296 KB PDF identified only by the JEDEC-style part code 2N5769. The catalogue lists it as a schematic, yet the name points to a single discrete semiconductor, so its…

Here the 2N4123 is covered by an 83.6 KB PDF, the plain-named version alongside an RE-suffixed file for the same number.

Indexed under schematics, this 66.7 KB PDF is named 1SV225; the trailing underscore looks like a naming artefact.

Reference sheet for the 1SV267 semiconductor, stored as a 63.1 KB PDF and filed under the schematic category.

Bearing only the part number 1SV249, this 62.1 KB PDF is indexed among schematics but is most likely a component data sheet.

Catalogued among schematics, this 115 KB PDF is named simply 403DMQ, with no suffix indicating a voltage variant and no device details.

Catalogued as a schematic, this 130 KB PDF is named 64LCXX, where the XX looks like a placeholder covering several capacity or variant codes of one series.

A 293 KB PDF filed under schematics and titled 28F001, which belongs to the 28F flash memory family, usually a 1 Mbit boot block device.

Lenovo schematic in PDF form, 1.16 MB, named only with the code 80A. That token gives no clear model, board number or revision, so open the document and read its title…

Circuit schematic for the Lenovo IdeaPad Y470, a PDF of about 1.13 MB. Only the model is stated, so the ODM board code and revision must be read inside and checked…

IBM ThinkPad X61 schematic in PDF format, approximately 1.42 MB. The file name gives only the model, without a board number, revision or chipset detail, so check the…

H46Y board schematic supplied as a PDF within a RAR archive of about 1.43 MB. No brand, model or revision appears in the name, so check the code printed on the…

Schematic for the Samsung SM-F415F, compressed into a 1.20 MB ZIP, the model code used for the Galaxy F41. The name gives no board revision.

Spanish PDF on automotive electricity, 1.01 MB, apparently course notes from the Emagister learning community.

Manual of digital electronics written in Spanish, a general reference rather than a schematic for any particular equipment.

ZIP archive of 1.98 MB with a generic name that gives no device, brand or board number; it is catalogued as schematic material and presumably holds one or more PDF…

Schematic archive for a phone coded A525F, a code consistent with Samsung's SM-A525F, with the M suffix likely denoting main board drawings, packed into a 416 KB zip.

Lenovo schematic in PDF for motherboard NM-E211, 2.42 MB. NM-xxxx numbers follow the pattern used by LCFC, the Lenovo affiliated ODM that designs many ThinkPad and…

Touchscreen section of the Samsung Galaxy A30s (SM-A30S) service schematic, delivered as a 4.30 MB PDF.

Backlight circuit of the Samsung SM-A11 schematic, delivered as a 4.33 MB PDF. It shows the backlight driver, its boost inductor, diode, output capacitors and the LED…

Schematic PDF for the Quanta ZRT project, also listed as ZRTA, with board number DA0ZRTMB6D0.

BM5070 schematic as a 2.45 MB PDF, with the name giving only this code and no brand, model or revision.

Schematic PDF for the Dell Latitude E6220 with board number 6050A2428801, a long-number format used by Inventec and Foxconn for their mainboards.

PDF document for the CS8573E from Chipstar Micro-electronics, catalogued as a schematic but most likely the component datasheet or reference design.

Dell Latitude 3460 schematic, project LOVE14, Broadwell (BDW) platform, Wistron board 14290-2, with a 14290-SC reference, supplied as a PDF in a 2.20 MB RAR archive.

Xiaomi Redmi 9C schematic in PDF, about 2.6 MB. The diagrams let a technician follow battery and charging circuits, PMIC outputs, display and backlight lines, and audio…

Schematic PDF for the DXA 1802, size 1.63 MB, matching the name of an Ahuja public address amplifier model, although the brand is not stated in this name.

Schematic in PDF form, 420 KB, named only SEM2105, which does not state the brand, device or revision, so the target hardware has to be confirmed by opening the…

Schematic for the GK7CP6S mainboard, supplied as a PDF inside a 2.23 MB RAR archive. No revision is stated in the name, though related firmware for this board is…

Quanta Y31 motherboard schematic in PDF, board DAY31AMB6C0 at revision C, marked as a PV build dated 0214 (PV usually means production validation).

Schematic in PDF format, 1.26 MB, whose name is a random string that identifies neither the device, the brand nor the board number.

ASUS X550ZE schematic in PDF format, 1.42 MB, with no board revision stated in the name.

Schematic for the ASUS Prime H310M-K R2.0 desktop motherboard, revision 1.01A, delivered as a PDF inside a RAR archive.

Laptop motherboard schematic for the Quanta AX3 platform, stored as a 1.09 MB PDF with no revision or board number in the name.

Schematic for the Quanta AX3 laptop platform, saved as a 1.09 MB PDF with only the project code and a duplicate number in its name.

PDF schematic for the Quanta AK1 laptop board, 1.26 MB, with no revision stated in the file name.

PDF schematic for a Positivo notebook identified as POS-AG31AP, 2.06 MB, the same size as another copy of this document.

PDF schematic of 4.46 MB for the AOC T2965M monitor TV. Service diagrams of this kind show the power supply, main board, backlight driver and signal paths, letting a…

PDF schematic for the board numbered X910513-008, delivered in a RAR archive of roughly 2.4 MB.