Schematic PDF, 1.14 MB, named t43_2. The trailing 2 may indicate a second part of a split document or a second version, which the name does not clarify.

English PDF titled basic electronics, 583 KB, not tied to any device or board. It is reference and training material rather than a service schematic.

First chapter of a Spanish course on cellular telephony, a 1.95 MB PDF filed under schematics but evidently a training lesson. It names no device or board number.

PDF documentation for the Texas Instruments BQ24735 notebook battery charger controller, 1.48 MB, catalogued as a schematic.

Portuguese training course on motherboard repair, an 8.30 MB PDF. It is study material rather than a schematic of a particular board.

Basic electronics material in Spanish, with the word electronics misspelled in the name.

Schematic file in PDF format, about 5.16 MB, titled BM62-64, which matches the naming of the Microchip BM62 and BM64 Bluetooth audio modules, likely a reference design…

PDF diagram covering the power-on (encendido, Spanish for switching on) circuit of the G532 phone, the Samsung J2 Prime / Grand Prime Plus family.

Quanta ZHD project schematic at revision 8A, in a 2.09 MB PDF that does not name the laptop brand or model.

Repair guide in PDF for ASUS K42SD, K43SD and K43SV laptops, archived as RAR and indexed as a schematic.

Circuit diagram of the Quanta SW6H motherboard, revision 1A, as a 1.09 MB PDF. The name does not specify the graphics variant or the laptop brand, so confirm the SW6H…

Board layout PDF for the Motorola XT1543 (Moto G third generation family), the companion to its electrical schematic; the name spells layout as layoult.

Quanta AX2/AX7 laptop schematic, 982 KB PDF, tied to board number DAOAX2MB6E1, a common spelling of the Quanta DA0AX2MB6E1 marking with the letter O in place of zero.

Schematic for the Lenovo Y510 laptop in PDF format, about 1.26 MB. The name gives no board number or revision, so read the ODM code printed on the motherboard and…

Product specification chapter, part 2 of the Samsung GT-S7580 and GT-S7582 service documentation, as a 567 KB PDF.

Schematic for the HP nx9040 business notebook, packed as a 970 KB PDF. The file name names the model only, without a board number, ODM code or revision, so read the…

The 2SD1804 transistor is the subject of this 158 KB PDF, indexed under schematics though its name indicates a datasheet.

Part 5LN01N is described in this 27.9 KB PDF, placed in the schematic section. The name gives nothing beyond the part code; within this family LN appears to indicate an…

The JIS-style code 2SD2416 plus an E tag names this 56.1 KB PDF, which sits among schematics but most likely covers one NPN bipolar transistor, as the 2SD prefix…

PDF document of 49.5 KB named 2SD1996 followed by an E tag, filed under schematics. The 2SD prefix is the Japanese JIS designation for an NPN bipolar transistor, so this…

Specification document, 405 KB in PDF form, for the 2SK2604 transistor. Japanese JIS part numbering assigns the 2SK prefix to N-channel field-effect transistors; beyond…

PDF document, 145 KB, for the 2SK2316, a part registered under the JIS system where 2SK indicates an N-channel FET.

The 2SK1886 is the part covered by this 96.2 KB PDF, indexed in the schematic section. With a 2SK prefix from the Japanese JIS scheme, the device is an N-channel FET and…

Semiconductor datasheet, 102 KB PDF, for the 2SK1467, judging by the Japanese 2SK prefix that marks N-channel FETs.

A 139 KB PDF titled 2SJ507, placed in the schematic section of the index. The 2SJ prefix belongs to the JIS semiconductor scheme and denotes a P-channel FET, which…

Short PDF of roughly 41.2 KB for the 2SJ289. Nothing in the name besides the part number points to a specific device.

Datasheet-type file for the 2SD1237L, a 143 KB PDF listed under schematics. Per JIS numbering, 2SD identifies an NPN bipolar transistor for low-frequency work; the L…

Here is a 37.0 KB PDF for the 2SD1030, named with an _E suffix that is not explained in the file name.

Component documentation for the 2SC4220, delivered as a 106 KB PDF and filed under schematics.

A 30.2 KB PDF named for the 2SC3915 part. Under Japanese JIS numbering the 2SC prefix denotes an NPN bipolar transistor, so this is most likely its datasheet; no…

English-language edition of the 2SC5379 datasheet, as the _E suffix in the name suggests, supplied as a 44.7 KB PDF.

Datasheet PDF for the 2SC5376F, a variant of the 2SC5376 NPN transistor; the trailing F usually indicates a different package or grade, though the name does not explain…

PDF reference sheet for the 2SC3748, an older-numbered NPN bipolar transistor in the Japanese 2SC series, about 94.5 KB.

Reference PDF of 175 KB for the 2SC2235, a JIS-style designation where 2SC denotes an NPN bipolar transistor.

At 526 KB, this PDF for the 2SC1923 is larger than most single-part sheets in the set, possibly including more curves or package options.

Small 40.2 KB PDF named after the 2SC1756, filed in the schematic category. The JIS-style 2SC designation identifies an NPN bipolar transistor, so expect a concise…

The 2SB621 in this 51.4 KB PDF is a PNP bipolar transistor according to the JIS prefix, so the file, filed under schematics, should be a part datasheet; _E most likely…

Component datasheet for the 2SA1803, provided as a 179 KB PDF and indexed with schematics. The 2SA prefix places it among PNP bipolar transistors under the JIS standard.

Datasheet PDF, 90.4 KB, for the 2SA1702, named only by part number and filed under schematics.

Compact 21.3 KB PDF datasheet for the 2N5210 transistor carrying a Sam tag, most likely a Samsung-issued sheet, though this is not confirmed by the name.