Samsung Galaxy S20 schematic diagram for model SM-G780F, an 8.14 MB PDF. Phone schematics like this show power management, charging, display, camera and radio circuits…

Troubleshooting guide in PDF for the Samsung SM-A105FN, the Galaxy A10 model code, contained in a 1.29 MB RAR archive.

Persian-language PDF whose title translates roughly as how to test electronic components.

Short Persian PDF of about 70.4 KB whose title translates as how to test a charging circuit.

First part of a multi-file schematic set for the TV model TH32A410H, a 6.62 MB PDF numbered -1.

Short Spanish PDF course on the oscilloscope, 375 KB, with no device or model associated. It is study material, not a circuit diagram.

Schematic set for the Samsung i9505, the Galaxy S4 LTE model, in a sizeable 29.0 MB ZIP.

Gigabyte GA-H81M-D2V schematic in PDF, revision 1.01, contained in a 699 KB RAR archive.

Laptop schematic in PDF form, 822 KB, labelled G750JW with an RG suffix, which matches the ASUS ROG G750JW gaming notebook naming, though no brand field is given.

Basic electronics course in PDF form attributed to Humphrey Kimathi, 4.45 MB, filed under schematics but in practice a learning text.

The 2SC5171 named in this 169 KB PDF is a JIS-style part number, where the 2SC prefix denotes an NPN bipolar transistor for high-frequency applications, so the content…

Catalogued as a schematic, this 45.8 KB PDF is named after the 2SC5503, a part number in the Japanese 2SC series used for NPN bipolar transistors.

PDF documentation for the 2SC3929 transistor, 54.1 KB, suffixed _E and filed under schematics.

Covering the 2SC5353, this 208 KB PDF sits in the schematic category but, judging by the name, documents a single transistor.

Indexed as a schematic, this 187 KB PDF is named after the 2SC2880, which the JIS 2SC prefix identifies as an NPN bipolar transistor.

The 2SA1592 is covered by this 156 KB PDF, filed as a schematic although the name refers to a single semiconductor.

Small 44.1 KB PDF named after the 2SA1292, a PNP bipolar transistor according to the JIS 2SA designation.

Unisonic Technologies (UTC) edition of the 2N5401 datasheet, a high-voltage PNP small-signal transistor, kept as a 21.0 KB PDF.

Larger 546 KB PDF datasheet covering the 2N5400, a high-voltage PNP small-signal transistor; the size suggests a scanned or multi-part document.

Datasheet-style PDF of 166 KB for the 2N4125, with an RE suffix appended to the part number; the name does not explain it, so treat it as a possible alternate or revised…

Manufacturer data for the 2N2907, a general-purpose PNP small-signal switching transistor, supplied as a 52.8 KB PDF and catalogued with schematics.

Reference sheet for the 1N4004 general purpose rectifier diode, a 68.9 KB PDF in the schematic section. No manufacturer appears in the name.

Indexed as a schematic, this 54.4 KB PDF is named 50HQ, a short series-style code with no laptop model or board number.

PDF with diode mode measurements for the A30, presumably the Samsung Galaxy A30, though the name does not name the brand.

Huawei Honor 6 reference sheet in PDF form, covering the input and output voltages of the phone's circuits, filed under schematics at 1.24 MB.

Schematic archive in PDF for the ASUS FX505DU gaming laptop, board revision 2.0. At 63.9 MB the RAR probably contains a detailed or multi-part document set.

Troubleshooting guide in PDF for the Samsung I9060 handset, with Tshoo being Samsung's usual short form for troubleshooting.

Circuit schematic for the Gigabyte GA-X79-UP4 desktop motherboard, revision 1.01 (R101), in PDF form inside a RAR archive.

Schematic PDF for mainboard 07208-2, a number in the Wistron project numbering pattern, so the laptop brand is not identified by the name.

Schematic PDF named only by the code 00001956E, giving no brand, device or board number.

Schematic sheet in PDF format called RF1, 292 KB, whose name gives no device, manufacturer or board number.

Another Xiaomi Mi 4C schematic document, labelled as part 1 and packed in a 17.8 MB PDF; it may be an alternate edition or the first section of a multi-part set, which…

Filed as a schematic, this 464 KB PDF carries just the name 2SC4322 and should be read as a transistor datasheet.

The 2SC5540 transistor is covered by this 30.9 KB PDF, catalogued as a schematic. By JIS convention the 2SC prefix signifies an NPN bipolar device, so the document is…

A 41.3 KB PDF named 2SC5018 with an additional _E suffix that the name does not explain.

Small 41.6 KB PDF for the 2SC5388, a JIS-numbered NPN bipolar transistor; the file name states only the part number, so package, maker and application are not given.

Short 108 KB PDF datasheet for the 2SC3601, placed in the schematic section of the index.

Reference sheet for the 2N4264, saved as a 264 KB PDF and carrying an RE tag in the file name that is not explained further.

The name identifies only the part 1SS377, so this 69.8 KB PDF is best treated as a diode data sheet even though it is indexed as a schematic.

Component datasheet for the 1N4148 small-signal switching diode, catalogued here under the schematic category but in practice a part reference sheet.