PDF, 223 KB, named 30CTQ035, which follows the numbering of a discrete semiconductor rather than a board design, pointing to a component datasheet in the schematic…

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…

English PDF on testing electronic components, filed under schematics but in practice a general reference rather than a circuit diagram for a particular board.

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

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

Audio schematic for the Samsung SM-A21s covering microphone, loudspeaker and earpiece, PDF, 3.82 MB.

Cellular network section of the Samsung SM-A11 schematic, saved as a 4.33 MB PDF. It covers the RF transceiver area, power amplifiers, antenna switches, filters and the…

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…

Samsung SM-A10 backlight circuit schematic, 2.25 MB PDF. It covers the LCD light driver, its boost inductor and diode, and the output lines feeding the display…

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.

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 in PDF form, packed as RAR, for the Gigabyte GA-Z77X-UD3H desktop motherboard, revision 1.03.

Schematic set for the ASUS MM19S LCD monitor, compressed into a 2.62 MB RAR file. The name lists no board code or revision, so compare part markings with the documents…

PDF repair guide for the ASUS X540SA, 1.05 MB, filed under schematics. Such guides typically describe the board power sequence, main rails, and where to measure them…

Repair guide for the ASUS X540SC in PDF format, 621 KB, grouped with schematics in the catalogue.

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 for the Samsung Galaxy A40, model SM-A405F, packed in a 2.65 MB RAR archive with no revision noted in the name.

Circuit diagram for the Quanta Z07 notebook mainboard, revision 1A, in PDF form at about 1.04 MB.

Quanta QL4 laptop motherboard schematic, a 1.52 MB PDF with no revision, brand or model stated in the name.

Gigabyte GA-Z170X-Gaming 3 schematic covering board revision 1.01, in PDF format inside a RAR archive of about 1.23 MB.

Document for the BQ24730, a Texas Instruments laptop battery charger controller, supplied as a 4.13 MB PDF.

Datasheet-style PDF for the BQ24726, a Texas Instruments SMBus charge controller part number used in notebook power circuits, size 1.28 MB.

Small PDF schematic of 267 KB whose name gives only MK6200_B, most likely a model or board code with revision B, but no brand or device type is stated.

Schematic for the ASUS T100TA, provided as a PDF in a 706 KB RAR archive. The RG token in the name is not explained, so its exact meaning, perhaps a board revision or…

Schematic for the Xiaomi Poco X2 smartphone, supplied as a single 1011 KB PDF. Phone diagrams like this show the PMIC outputs, battery and charging path, display and…

Repair guide in PDF form for the Asus X550CC laptop, filed with the schematic documents and 885 KB in size.

Reference sheet for the Apple A2141 logic board 820-01700, listing resistance values across the large inductors, 2.93 MB PDF.

Small 94.3 KB PDF for the BQ24728 battery charge controller by Texas Instruments, placed in the schematic category.

Gigabyte GA-H81M-S motherboard schematic, revision 1.0, provided as a PDF within a 494 KB RAR archive.

Schematic for the Gigabyte GA-H81M-Gaming 3, board revision 1.0, delivered as a PDF in a 506 KB RAR.

Schematic labelled SENUSA 3, a 5.87 MB PDF, apparently a later version of the SENUSA design that also appears as revision 2.

Schematic for the Gigabyte GA-B85M-D2V-TM desktop motherboard, revision 3.0, supplied as a PDF inside a RAR archive.

Regulated power supply for a preamplifier, drawn in a 601 KB PDF schematic with a source tag in the name.

PDF schematic for the Gigabyte GA-H77N-WIFI motherboard, revision 1.1, compressed in a 772 KB RAR.

Samsung washing machine documentation for the WA85U3 model, a 5.35 MB PDF. Samsung WA-series manuals generally include specifications, disassembly guidance, error code…

Schematic for a board coded Z84FM, in PDF form at about 900 KB. No brand, model or revision appears in the name, so check the title page and the PCB markings before use.

Schematic in PDF for a board coded ZQM, in its UMA variant. UMA means the design uses integrated graphics with shared system memory instead of a discrete GPU.

Spanish PDF on solving power-on problems, a short 183 KB guide with no device, brand or board number given.