Component document in PDF form, 47 KB, named 2PA1774 with a suffix 2 that likely denotes the sheet issue.

This PDF of 71.0 KB is indexed as a schematic for the 2N6520, a JEDEC 2N-series discrete semiconductor number.

Covering the 6A05 to 6A10 series, this 198 KB PDF appears to be a datasheet for a family of 6 A rectifier diodes rather than a device schematic.

Filed as a schematic, this 531 KB PDF carries only the bare number 28040 in its name, with no manufacturer, device model or revision stated.

At only 53.7 KB, this PDF named 85hq is listed as a schematic and carries no brand or board information.

A small PDF of 54 KB, catalogued as a schematic and named only with the short code 75hq.

Only the code 35sgq060 is given for this 47.7 KB PDF, which is categorised as a schematic.

A 41.4 KB PDF named 35sgq045 and filed under schematics, though the name points to a component part code rather than a motherboard.

Indexed as a schematic, 35cgq100 is a 44.1 KB PDF whose name resembles a semiconductor part code rather than a board number; no device, brand or revision is given.

Bearing only the code 35cgq045, this 49 KB PDF sits among schematics but looks like a reference for a single component rather than a board.

At only 23.6 KB, this PDF named 30WQ04FX is probably a brief datasheet or ordering note for a discrete rectifier, despite being indexed as a schematic.

The 78.6 KB PDF 30SLJQ045 is labelled a schematic, yet the name follows the pattern of a rectifier diode part number, pointing to a single-part datasheet.

A small PDF filed as a schematic, named only 30FQ, which reads like a component part number rather than a board or laptop model.

Catalogued as a schematic, this 314 KB PDF carries only the code 22GQ100 in its name, with no laptop brand, board number or revision stated.

Circuit diagram in PDF form for a mainboard coded Z84J, with no manufacturer or model given in the file name.

Schematic document for a Z62HA mainboard, delivered as a 1.15 MB PDF. The name carries no brand, platform or revision information, only the board code with its HA…

PDF schematic for the Sony MBX-163 laptop motherboard, with MS60 in the name, probably the ODM project code tied to this board; the file is 1.04 MB.

PDF schematic, 1.02 MB, whose name points to the Sony VAIO board MBX-247; the trailing hk1 token is not explained by the name and may denote a variant or build.

PDF schematic for the Lenovo ThinkPad X200 laptop, about 1.23 MB. The name gives no motherboard number or revision, so compare the board code on the opening pages with…

Schematic for the Lenovo E255 notebook as a 928 KB PDF. The file name names only the model, so the ODM board number and revision have to be read from the drawings…

Dell N5110 laptop schematic in PDF format, 1.45 MB, a model sold in the Inspiron line. The name gives no board number, revision or ODM.

Compact zip archive of 1.10 MB holding a schematic, named only with the model code x6812 and listed under Tecno and Infinix.

Samsung SM-F700F schematic set, delivered as a 2.06 MB ZIP, the model code belonging to the original Galaxy Z Flip. No board revision appears in the name.

PDF schematic for LCFC board NM-F861, used in a Lenovo laptop. The NM-xxxx numbering belongs to LCFC, the Lenovo and Compal joint venture responsible for many Lenovo…

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.

Topic 4 of a Spanish mobile repair course, explaining how to identify the parts of a smartphone, as a 404 KB PDF identical in size to the unnumbered copy.

Portuguese list of common defects and possible solutions for reported problems, written as a troubleshooting guide.

Schematic archive for the J610F, most likely the Samsung Galaxy J6+ model code, though the brand is not stated in the name.

Electrical part list for the Samsung SM-N985F, delivered as a 1.15 MB PDF. Such a list maps board location designators to Samsung part codes and descriptions, which…

Schematic PDF for the HP EliteBook 840 G3, board 6050A2892401, revision MB-A01, about 1.25 MB.

Samsung SM-A10 charging and data schematic, a 2.25 MB PDF. It covers the USB port, VBUS input protection, the charger circuit and the data lines to the processor.

ASUS desktop motherboard schematic for the P5KPL-AM, with an IN suffix that likely marks a regional variant.

PDF schematic, 2.39 MB, for Wistron project LAR-2 CZ with board number 203088-3. The name gives no brand or laptop model, so identify the machine from the PCB markings.

Schematic in PDF form for Inventec motherboard 6050A3087502, revision MB-A03, 2.75 MB. Inventec's 6050A numbering is common on HP notebook boards, though the name gives…

Schematic in PDF form for a Sony laptop motherboard with the Quanta code DA0HK9MB6D0, revision 1A.

Schematic PDF titled BM5070, 2.45 MB, with no brand, model or revision in the name. BM5070 appears to be a board or project code, so check that the same marking is…

Block diagram and layout document for the Samsung SM-S901U, dated 220203, stored as a 3.41 MB PDF.

NP-Q70 PCB diagram with the unexplained suffix imp, a 1.2 MB schematic PDF identical in size to the plain NP-Q70 file and likely a duplicate.

Samsung Q20 schematic, a 5.24 MB PDF whose name lists the model and a website tag but no board number or revision.

Schematic document for the Samsung P10 notebook in PDF format, 6.94 MB in size; the name shows only the model and a website tag.