Circuit schematics for the Xiaomi Mi 8 SE handset, stored as a 4.07 MB RAR archive. Only the model is named, with no board number or hardware revision.

Schematic in PDF for the Gigabyte GA-H81M-D2W motherboard, revision 1.01, apparently based on the Intel H81 chipset; the WG suffix is part of the model code.

Schematics for the Xiaomi Mi 9 SE smartphone, delivered in a compact 981 KB RAR archive. No board revision is given in the name.

Schematic set for the OPPO R7 smartphone, compressed into a 949 KB rar archive. Circuit diagrams like these let a phone technician follow power rails from the PMIC…

Schematics for the OPPO A51W smartphone, supplied as a 1.25 MB rar archive. A technician uses these sheets to see which regulators feed each section, where charging and…

Lenovo A859 smartphone schematic diagram bundled with a service manual, compressed as a 1.85 MB RAR. The filename provides no board number or revision.

Lenovo A668T circuit schematics in a RAR archive of around 619 KB. The name names only the model, leaving board revision and chipset unstated, so check that the drawings…

Schematic diagrams for the original Xiaomi Mi 2 phone, compressed into a 1.87 MB ZIP. The name lists no board number or revision and does not mention the later Mi 2S, so…

Spanish electronics series El mundo de la electronica, issue number 23, provided as a 1.18 MB PDF.

Lenovo G40-70 laptop schematic for LCFC board NM-A361, a 2.70 MB PDF. LCFC, Lenovo's own design and manufacturing arm, uses NM-xxxx numbers for its motherboards.

Schematic diagram for the Xiaomi Redmi 3S smartphone, a 2.73 MB PDF. The (2) in the name suggests a second copy or an alternate version of the document, so compare it…

Schematic of the main logic board for the iPhone 8 Plus, identified in the name by its D21 code, in a 1.91 MB PDF. MLB stands for main logic board.

Inventec Teton2 notebook schematics, revision RA02, in a 790 KB RAR file. The name gives the project codename and revision but no 6050A board number, so check the…

Inventec S-Series 2009 laptop schematic, revision R3A, board 6050A2252701, inside an 811 KB RAR archive.

A 948 KB PDF guide on disabling the protection circuit of LCD backlight inverters, part three of a series, covering boards built around the OZ9966SN inverter controller.

Quanta QK3B laptop motherboard schematic at revision 1A, supplied as a 918 KB PDF. The name does not state the laptop brand or model.

Schematic for the Positivo Premium notebook, based on the Clevo mainboard 6-71-M74S0 with suffix D06A, provided as a 1.18 MB PDF.

Compal LA-2351 schematic set at revision R1B, stored in a 1.22 MB RAR archive. The R1B label indicates a revision after the initial 1.0 production design, so compare it…

Mirrored bottom-layer placement sheet in PDF for the Xiaomi M1 board, labelled as an updated version.

Technical PDF on boosting power supplies, 2.24 MB, filed among schematics. The name points to step-up (boost) converter topology rather than a particular TV or board…

PDF schematic of 3.34 MB for model SM-J730FM, a Samsung model code, though the name itself states no board revision.

Toshiba Satellite L30 laptop schematic based on the Quanta BL1 design, board number DA0BL1MB6E0, supplied as a small 919 KB PDF.

Circuit schematic for the ASUS F5R notebook, revision 2.0, in a 2.89 MB PDF. It is intended for board-level diagnosis: following power rails from the DC jack and…

Circuit diagram for the Samsung NP-R50 notebook in PDF format, about 1.52 MB. The name shows only the model and no board number, so confirm the BA41 code printed on the…

Schematic for the HP Pavilion G4 laptop, based on the Quanta R13 design with motherboard DA0R13MB6E0, supplied as a zipped PDF.

PDF schematic for the Samsung GT-S3650, the Corby feature phone, at 741 KB. The name states no board revision.

Schematic documentation for the Nokia N78, provided as a 679 KB PDF. The drawings help a repair technician trace the battery and charging lines, power management…

Nokia 5120 schematic diagrams in a 432 KB PDF. Only the model name is provided, with no board number or revision.

Schematic diagrams for the Nokia 1220 handset, packed in a 564 KB PDF; no revision is given in the name.

Sony PCG-61611 laptop schematic based on the Quanta NE7 platform, apparently a duplicate or alternate copy given the suffix in the name.

Maxim MAX1540 datasheet, an 838 KB PDF identified only by its part number. Read the opening page for the device function and electrical limits.

Schematic in PDF format for a GTX 750 Ti graphics card, based on the board code P2010-B01, which follows NVIDIA's reference PCB numbering.

Part datasheet in PDF for the MJE13007F, a high-voltage NPN switching transistor. The F suffix usually denotes an isolated fully plastic package, though the name states…

Datasheet PDF for the BD234, only 49.2 KB and indexed as a schematic. The BD234 is a medium-power PNP transistor in a plastic package, commonly paired with a…

A 194 KB PDF describing the 2SD2604A, listed as a schematic but most likely a transistor datasheet.

Compact 29.7 KB PDF for the 2SD2649, placed in the schematic section though the name indicates a component datasheet.

Reference PDF of 40.9 KB for the 2SD1819A, with an E tag in the name that probably denotes an English-language edition, filed under schematics.

A 230 KB PDF for the 2SK2911, filed as a schematic although the bare part number suggests a manufacturer datasheet.

Listed as a schematic, this 246 KB PDF carries the name 2SJ201, a JIS part number for a P-channel FET, so it is best treated as a component datasheet.

Small 53.0 KB PDF for the 2SD1280 with an _E suffix, classified as a schematic in the index.