Samsung SM-A207F repair solution document in PDF format, packed in a 3.61 MB RAR archive and indexed as a schematic. SM-A207F is the Galaxy A20s model code.

Small 227 KB RAR archive that, judging by the name, contains a boardview for the ASUS K56CM at board revision 2.0.

ASUS Z97-WS workstation motherboard boardview, revision 1.00, saved as a 232 KB FZ file.

ZIP archive for the ASUS X751LD, mainboard revision 2.0, built around disabling the onboard RAM.

Archive for the Lenovo IdeaPad Y480 tied to the Compal LA-8001P mainboard. LA-xxxxP is Compal's numbering pattern, printed on the PCB, and is the reliable way to confirm…

Dell Inspiron 640M archive associated with the Wistron Bermuda board, 5.68 MB in size. Bermuda is the Wistron project code name for this design; no revision is given…

Asus X550MJ repair guide, a 911 KB PDF. No motherboard revision is included in the name, so look for the board version inside the document.

Schematic PDF shared by the ASUS X407UAR, X407UBR and X407UFR laptops, which are variants built on a common platform.

Datasheet for the BD135 transistor in a 51.0 KB PDF, likely the same family document that also covers related types in the series.

A small 26.9 KB PDF in the schematic category, named only with the part number 2N6519 from the JEDEC 2N registration series.

Handsfree circuit page from the Samsung SM-A05 schematic, a 2.85 MB PDF. It deals with the headset jack: detect line, left and right audio outputs, headset microphone…

RAR archive of 2.07 MB holding the repair guide for the ASUS Z10PA-D8, a dual-socket server motherboard from the Z10 series.

Board layout file for MSI MS-7B24 revision 1.0, delivered as a 1022 KB RAR containing BDV and CAD formats.

Repair guide PDF covering the ASUS X541UA and X541UV at revision 1.0, 995 KB in size. Such guides typically summarise the power-on sequence, key rails and circuit…

PDF repair guide for the ASUS P452LJ laptop, filed with schematics at roughly 1.16 MB. No board number or revision appears in the name, so compare it against the marking…

Gigabyte GA-970A-DS3P schematic for revision 1.01, as a PDF inside a RAR archive. It documents the AM3+ desktop board's circuits, including CPU VRM phases, the chipset…

Samsung SM-T335 tablet schematic, supplied as a complete 10.1 MB PDF set. Use it to trace power rails from the battery and PMIC, follow USB charging and data lines, and…

OPPO A71 PCB point collection compressed as an 810 KB RAR file. Such packs normally hold marked-up photos or diagrams of the logic board showing test points, component…

Archive of voltage datasheets for T-CON and scaler boards, 22.3 MB in RAR format. The name lists no particular model, so expect a mixed reference set covering the supply…

MacBook Pro 13-inch A1278 archive for logic board 820-2565-A, revision A, as a 3.02 MB RAR.

Basic electronics primer in English, a 2.66 MB PDF catalogued with schematics though it is a learning text rather than a circuit for a product. No device is named.

Early engineering schematic, revision R0.1, for the Compal LA-3191P notebook motherboard, compressed into a 1.32 MB RAR archive.

RAR archive of 2.27 MB for Apple board 820-2523, marked as revision C. The listing does not say what is inside, but packages of this size for Apple 820-series numbers…

Samsung G900H troubleshooting guide, the Exynos variant of the Galaxy S5, in a 5.64 MB PDF.

Repair guide for the Asus X751LK laptop, a 1.57 MB PDF. The name does not mention a motherboard revision, so check the guide itself for the version it covers.

Samsung GT-I9300 Galaxy S III troubleshooting document, chapter 08 of the service manual by its name, as a 13.6 MB PDF.

Dell Inspiron 3520 schematic delivered as a PDF, with Caruso15 HR given as the internal project or board name in the file name.

Reference PDF of 218 KB for the 2SC4754, indexed as a schematic but named after a single semiconductor part.

Spanish-language course chapter on basic electronics, provided as an 817 KB PDF and apparently the same content as the numbered topic 2 of the series.

Samsung troubleshooting guide in PDF for the SM-A127F smartphone, the Galaxy A12 model code, delivered as a 2.03 MB RAR.

Power sequence sheet for the Sony MBX-165 board in its MS90 version, supplied as a short PDF.

Short PDF of reference voltages for a Philco main board, with the Portuguese title indicating measured voltages on the principal board.

Circuit diagram for the telephoto camera on the Apple iPhone 11 Pro, contained in a 332 KB RAR.

Samsung SM-T378V tablet schematic, a 10.1 MB PDF described in its title as a complete set.

Redmi 7A schematic from Xiaomi, codename pine, compressed into a 1.39 MB 7z archive. It appears under firmware in the index, yet the file is a set of circuit diagrams…

Repair solution for LCD backlight faults on the Huawei Y6 2019, packed as a small archive of about 200 KB.

Repair guide archive for the Oppo A9 2020 covering no network or weak signal faults, 352 KB in RAR format.

Schematic in PDF form for a device labelled Y9 2019 with the codename jackman, credited to Anibal Garcia in the name.

MSI laptop schematic for mainboard MS-14521 revision 1.0, supplied as a PDF inside a rar archive.

Learning to repair from scratch, a Spanish beginner manual in a 3.93 MB PDF. No device, brand or board is specified, so expect a general introduction to tools…