Troubleshooting chapter 7 in PDF from the service documentation for the Samsung Galaxy SM-A510FD, the dual-SIM variant, 1.25 MB.

Schematic in PDF form for a board carrying part number 91.4CH01.001 with PCB part number 48.4C901.001, revision string 08252 and an SB suffix.

Firmware for the Sony VAIO SVE111B11M on Sony motherboard MBX-272, board version V181, PCB part 1P-0128J00-6011 revision 1.1, provided in a 1.84 MB RAR archive.

Boardview package for the Dell Inspiron 15 5575, built by Compal on the CAL51 platform, covering boards LA-K001P and LA-F121P at revision 1.00.

HP 15-n015st BIOS package for the Core i5 version with NVIDIA graphics, containing both the main BIOS and EC firmware for a 25Q64FV flash chip, which is a 64 Mbit or 8…

The 2SB1674 named here is, under JIS conventions, a PNP bipolar transistor; this 52.6 KB PDF, despite its schematic category, is therefore most likely the datasheet.

This 67.6 KB PDF, sorted under schematics, identifies itself only as 1SS300, with no laptop or board stated.

A 50.7 KB PDF categorised as a schematic, carrying only the short code 120nq and no product, board number or revision.

Named 322CNQ and catalogued as a schematic, this 64.9 KB PDF contains no device or board details in its name.

Schematic set for a board identified as AB540, delivered as a 1.47 MB ZIP archive that, per the name, contains a PDF.

ZIP archive of 1.16 MB labelled m5030, a short name that likely refers to the Acer Aspire 5030 family but states no board number, revision or version.

Embedded controller firmware of 128 KB, labelled as working (OK) but with no brand, model or board number in the name.

Huawei C8813 smartphone service archive in RAR format, about 7.58 MB. The file name does not say what documents are included, so extract it and review the contents…

Small 328 KB RAR archive of firmware for a HuaQin board numbered NB8513. HuaQin is a Chinese ODM that designs and builds notebooks for other brands, so the retail laptop…

PDF datasheet of 238 KB covering the AO4423, a P-channel power MOSFET made by Alpha and Omega Semiconductor in SO-8 form.

Compressed repair material for the Samsung R18 laptop, 981 KB RAR. Only the model appears in the name; the board code, revision and exact contents are unstated, although…

Archive of 1.49 MB for the Dell Latitude D830, referencing the JM7B motherboard design at revision A1A with the 0628 date code.

Revision 2.2 service package for the ECS 661FX SF2 motherboard, stored as a 714 KB RAR archive. No additional details about contents or firmware appear in the name.

Technical document for the Nuvoton NCT6776F Super I/O controller, a 3.75 MB PDF that, despite being catalogued as a schematic, is most likely the chip datasheet.

Datasheet for the Microchip PIC16C72, an 8-bit OTP or EPROM microcontroller with an analog-to-digital converter, supplied as a 1.13 MB PDF.

Datasheet labelled AT89C8252, an Atmel 8051-family microcontroller document of 316 KB; the same size as the AT89S8252 sheet suggests related or identical content, so…

Boardview for the ASRock B450M Steel Legend desktop motherboard, with board code 70-MXB9Y0-A01 and revision 1.01, saved in the .fz format.

Manufacturer datasheet for the 2SK3569, a discrete transistor part number in the Japanese 2SK series, which denotes N-channel field-effect devices.

Small PDF, 33.9 KB, covering the 2SK1036 N-channel field-effect transistor from the JIS 2SK range.

The 2SD1159 transistor is documented in this 77.0 KB PDF, catalogued with schematics but most likely the manufacturer datasheet given its plain part-number name.

PDF document of 94.9 KB for the 2SC5299, a JIS-registered NPN transistor designation. Although catalogued as a schematic, files named after a part number like this are…

PDF documentation, about 100 KB, for the 2SC3749 transistor. Under the JIS numbering convention, 2SC identifies an NPN bipolar device, so the file is most likely a…

The name of this 238 KB PDF consists solely of 2SC3425, a JIS designation for an NPN bipolar transistor.

The 2SA1477 part number names this 135 KB PDF, which is filed as a schematic but should be a component data sheet.

This 109 KB PDF, placed in the schematic category, is named for the 2N6388, a JEDEC-registered discrete semiconductor designation.

This 755 KB PDF is indexed as a schematic and carries only the JEDEC part number 2N5486.

Only the code 47CTQ020 identifies this 129 KB PDF, filed as a schematic without any brand, model or board number.

Datasheet for the ROHM BD28620MUV-E integrated circuit, 1.65 MB PDF, filed with schematics. The E suffix is part of the ordering code, usually indicating packaging.

Compressed BIOS image for a Lenovo ThinkCentre desktop, identified by part number 45R7727 and the L-I946F motherboard.

PDF schematic of LCFC project EG521/EG522, board NM-B451, revision 0.2, UMA version with integrated graphics only.

RAR archive for a Lenovo ThinkPad X1 system board marked LNL-1 MB, Wistron number 10303-3, with 48.4N405.031 as the full board part code.

Service archive for the Acer Aspire Z3770 all-in-one PC, based on Pegatron board IPISB-AG at revision 1.04.

Software archive for the Supra STV-LC40T840WL television, main board JUC7.820.00123957, chassis software version V1L12.

Combined schematic and boardview package for the Xiaomi Redmi 6 Pro in a 5.48 MB ZIP. The boardview lets you click a component or net and see its physical position on…

Zipped boardview for Quanta motherboard DA0V07MBAD1, with the name adding revision D and the project name Cynthia. Quanta uses the DA prefix followed by a project code.