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…

Circuit schematic for the Gigabyte GA-G41MT-S2P micro-ATX motherboard, revision 1.31, in PDF.

Motherboard schematic for a G31M-S2C board, with R11 most likely meaning revision 1.1, supplied as a PDF.

Apple iPhone SE PCB and schematic document, a compact 554 KB PDF. The name suggests it combines circuit drawings with board layout information, though no board number or…

Schematic in PDF format for the Samsung SM-G130E, a 3.12 MB file with no revision listed in the name.

Second copy of the Huawei S7 schematics, a 1.80 MB PDF whose name differs only by a numbered suffix.

Circuit schematic for the Apple iPad Air logic board, a PDF of about 2.39 MB. It documents power distribution, the power-up sequence, interface lines and component…

ASUS F5N schematic, revision 1.0, a 2.32 MB PDF. The document lays out the laptop mainboard circuitry, helping technicians trace power rails, check the power-up sequence…

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 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 3200 camera phone in a 525 KB PDF. The name carries only the model, so no board revision or product code is stated.

Circuit schematic for the Nokia 6121 mobile phone, supplied as a 3.73 MB PDF. The name gives no board revision or part number, so compare the layout against the phone on…

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

Schematic for the Quanta QL6 motherboard, with QD in the name and the DV2 stage at revision R2A, provided as a 1.35 MB PDF.

IBM ThinkPad A30 circuit schematic, supplied as a PDF of 986 KB. The name states the model only, with no board number, revision or configuration.

Schematic PDF named Z84J, 2.56 MB, with no revision or brand given in the name. The drawing should identify the manufacturer and board code in its title block, which is…

Laptop schematics for the Toshiba Satellite A30, built on Compal's LA-2051 motherboard, provided as a 979 KB PDF.

Laptop schematic marked only with the project code M841 and DVT, the design validation test stage, without brand or board number in the name.

Wistron Huron schematic, revision SD, for the Acer Aspire 5910 laptop, saved as a 1.38 MB PDF.

Revision R1B schematic of the Quanta CT6 laptop motherboard, packaged as a 989 KB PDF. CT6 is a Quanta ODM project code, so the board may be found inside a branded…

Maxim MAX15400 reference document in PDF form, 838 KB, filed under schematics but most likely the manufacturer datasheet for this IC.

Maxim MAX1772 datasheet, a short 358 KB PDF with nothing in the name beyond the part number. Consult the first page for its exact function, ratings and package.

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 covering the ASUS A42J and K42JR notebooks, a 2.30 MB PDF. Both model names appear in the file name, implying a shared mainboard design, but no board number or…

Section 6 of the GT-S7580 and GT-S7582 service documentation, a 273 KB PDF whose Direy label is unclear and may be a truncated chapter name such as disassembly and…

Schematic diagram for the Samsung SGH-E700 mobile phone, a compact 294 KB PDF. The small size suggests a limited set of circuit sheets rather than a full service manual.

Troubleshooting section of the service documentation for the Samsung GT-S7580 Galaxy Trend Plus, supplied as a 3.08 MB PDF; TSHOO is Samsung shorthand for…

Lenovo ThinkPad schematic for board NM-A151 in PDF form, 1.79 MB. The NM- numbering belongs to LCFC, the Lenovo ODM behind many ThinkPad boards.

Schematic set for the HP nx900 laptop, distributed as a 1.01 MB PDF. The file name identifies only the model and provides no board number or revision, so confirm the…

Quanta UT8A motherboard schematic in PDF form, about 1.14 MB. The name gives the Quanta project code UT8A but not the laptop brand or a board revision.

PDF reference, 218 KB, for the LA7286, an IC from the LA series, a prefix associated with Sanyo linear integrated circuits.

A 53.4 KB PDF covering the 2SD2614 transistor, catalogued as a schematic although the name points to a single-part 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.

Component reference for the 5LP02C, a 42.3 KB PDF that the index lists as a schematic. The name carries just the part code, where the LP letters appear to mark a…

PDF of 41.6 KB, catalogued as a schematic and named 3LN02M, which looks like a semiconductor part number with an M suffix rather than a board code.

The 2SD1908 transistor is documented in this 85.8 KB PDF, which the index files as a schematic, although a JIS part number like this normally indicates a datasheet.

A 68.3 KB PDF bearing the name 2SD2324, a Japanese JIS designation for an NPN transistor, since 2SD marks NPN low-frequency devices.

Named only 2sd1897, this 35.6 KB PDF is listed as a schematic, yet the name is a JIS transistor number, so it is very likely a compact datasheet.