Full schematic diagram for the Xiaomi Mi 4S phone, a large 24.5 MB PDF that likely contains the complete set of circuit pages.

Schematic PDF for the CV338H-B32 TV main board as fitted in the Haier 32A6S, 480 KB; the index tags it Clevo, though the name points to a Haier television.

128-byte EDID dump for an LG LP140WH1 panel, TL type, revision C1. The block contains vendor and product IDs, supported timings and a checksum read by the graphics…

EC firmware for the ASUS K550J, written for the ITE IT8585E embedded controller and marked as working.

Fly SL500I schematic, provided as a 753 KB PDF. The diagrams let a repair technician follow the battery and charger circuitry, regulator outputs and the lines between…

Richtek marking-code reference in PDF format. Richtek power ICs, including PWM controllers, buck converters, LDOs and load switches, are very common on laptop…

Firmware archive for the board 6050A2541801, project DK10F, compressed as a 2.92 MB RAR.

Service schematic for the Samsung HomeSync GT-B9150, a home media and storage device, provided as a 2.87 MB PDF. The name states no board revision.

Second part of the Nokia N95 schematics, a 2.04 MB PDF; the number in the name implies the full set is split into several files, so locate the remaining parts for…

Circuit diagrams for the Nokia E70, the fold-out keyboard handset, in a 1.80 MB PDF file.

Nokia 3100 circuit schematic in a compact 278 KB PDF. The name holds only the model number, without revision or board code, so confirm the drawing matches your phone.

Schematic for the Toshiba Satellite A135-S2686, built by Compal; the name ends at the LA prefix and does not give the full board number.

Pegatron EIH31 schematic for the Acer Aspire 3750ZG, revision 2.1, delivered as a 2.08 MB-class document of 1.31 MB in PDF form.

OpenBoardView executable for Windows, 3.13 MB, the open-source viewer widely used in laptop and phone repair to open boardview formats such as .brd, .bdv, .bv, .fz and…

BDV BoardView package, a 399 KB RAR containing a viewer program aimed at boardview files, most likely including the .bdv format suggested by the name.

64 KB firmware file for the ASUS K54C board revision 2.1, a size that points to embedded controller or keyboard-controller code rather than the main BIOS.

RAR archive with BIOS firmware for a Sony VAIO EE25FX, presumably the VPCEE25FX, around 1.06 MB compressed.

Datasheet in PDF form for the ICL8069, a low-voltage bandgap voltage reference diode of about 1.2 V, historically made by Intersil.

MAX038 datasheet in PDF, covering the Maxim high-frequency precision function generator chip able to produce sine, square and triangle waveforms.

Component datasheet in PDF form, 346 KB, identified only by the document number 6224 in its name.

Datasheet in PDF form, 246 KB, named only by the document number doc6272, so the file name gives no hint of the exact component.

Compact 64.3 KB PDF application note for the XR2206 function generator chip from Exar. It is intended as a practical reference for how the IC is wired in a working…

Zip archive called cls, about 10.7 MB, whose name reveals nothing about the device, board or contents.

Schematic PDF named only T135, around 768 KB, with no brand listed. It may relate to the Toshiba Satellite T135, but the name alone cannot confirm that, nor any board…

Large 962 KB PDF for the LM324P, the quad operational amplifier in a plastic DIP package, as the P suffix commonly indicates.

PDF for the 2SC1172, 74.4 KB, listed among schematics with no further detail in its name.

Datasheet covering the 2N3055, the classic NPN power transistor in a TO-3 metal case, provided as a 171 KB PDF.

PDF document for the IRFP260 power MOSFET, catalogued under schematics although the name points to a component datasheet.

PDF for the BU4508DX, a small 48.8 KB document filed as a schematic but most likely the part datasheet.

Data sheet for the BC337 NPN general-purpose transistor, 29.8 KB PDF. It should give pinout, outline dimensions, absolute maximum ratings, gain classes and switching…

Part sheet in PDF form, 29.1 KB, for the 2SD2646 transistor, filed in the schematic category. The name supplies only the type number, without brand or revision.

At 312 KB, this PDF for the 2SD2638 is the largest in its series and is probably a full datasheet with curves and outline drawings, though it is filed under schematics.

Small 39.9 KB PDF for the 2SD2474, carrying an _E suffix whose meaning the name does not state; it may reflect a language or edition marker.

Small PDF of 92.1 KB filed under schematics, though its name is simply the part number 2SD1998, so it is almost certainly a component datasheet rather than a board…

PDF of 77.6 KB named 2SD1620 and filed with schematics; the name carries nothing beyond the part number, which points to a component datasheet.

PDF covering the 3SK189, about 178 KB in size and listed in the schematic category, though the name points to a single component datasheet.

Filed under schematics, the 39.8 KB PDF 2SD2441 with an E tag refers by its JIS-style 2SD prefix to an NPN bipolar transistor.

A 111 KB PDF for the 2SD2281, which under the Japanese JIS system is an NPN transistor from the low-frequency 2SD series.

Component documentation for the 2SK2920, a 409 KB PDF filed under schematics in this index but almost certainly a part datasheet.

The 2SK1839 is covered in this 84.9 KB PDF, filed under schematics though the name points to a single semiconductor part.