Component documentation for the 42CTQ030, supplied as a 124 KB PDF and indexed as a schematic.

Small 83.6 KB PDF for a part labelled 27c8000i, listed under schematics although the number fits the 27C CMOS EPROM family.

A compact 21.9 KB PDF labelled 15mq040 and classed as a schematic. The small size and the part-number style name suggest a short datasheet for an International Rectifier…

Reference PDF for the 10BQ060 part, size about 85 KB, filed under schematics. Its name follows the numbering of a small surface-mount Schottky rectifier series, where…

Small zip archive listed as a schematic, named only M546B. The name gives no brand, board revision or document details, so the contents have to be checked before use.

Schematic archive for the model code A145F, a small 606 KB zip whose name carries only that identifier.

PDF document covering the Intersil ISL6259 battery charger controller, labelled as charging IC material.

PDF sheet named BQ24728, a Texas Instruments notebook charge controller part number, at 94.3 KB.

Schematic diagram for the Xiaomi Poco M3 smartphone, mainboard code J19S, packed in a RAR archive of about 3 MB.

Yamaha PA 2400 amplifier schematic in a small 194 KB PDF. The name gives no revision or note about modifications, so it may represent the standard circuit, but confirm…

Topic 2 of a Spanish smartphone repair course, covering basic electronics, as an 817 KB PDF that appears to duplicate the unnumbered copy. No device or board is named.

Small schematic archive referencing KALG0 and LA-4494 at revision P02, the format of a Compal laptop design where KALG0 is the platform code.

Schematic for the Huawei Mate 10 Lite smartphone, model code HL1RNEAL00M, delivered as a RAR archive.

Circuit diagram for a power adapter labelled DAG-3004, packed in a small 194 KB RAR archive. The name gives no brand or output rating, so check the label on the brick.

Xiaomi Mi 5s smartphone schematic, delivered as an 826 KB RAR archive. The diagrams help a repair technician follow the PMIC rails, charging path, USB, display and…

Schematic set for the Huawei Y7 Prime 2019 smartphone. These diagrams show power management, charging, battery, display and RF circuit blocks, with component references.

Small 91.1 KB PDF named sn608098, filed as a schematic. The name does not reveal the device; it may be a Texas Instruments component number, though that cannot be…

Schematic in PDF for the Samsung UA19F4000AR, a small LED TV, on chassis U86B, about 12.2 MB.

Schematic diagrams for the Nokia 7210 colour-screen phone, a 4.56 MB PDF. The name provides only the model, with no board number or revision, so confirm the main board…

A 41.4 KB PDF covering the 5HP02C part, indexed under schematics. Only the component code is present in the name, with C most likely denoting the package type.

Part datasheet for the 2SD1782K, an NPN transistor named under the Japanese JIS scheme, with the K suffix indicating a particular variant or package.

Small 33.0 KB PDF for the 3SK144, catalogued as a schematic but named for an individual semiconductor, so it is most likely a datasheet.

Document for the 3SK227 semiconductor, stored as a 30.6 KB PDF and catalogued under schematics.

Part number 2SD2459 names this 41.2 KB PDF, followed by an unexplained E tag; it is catalogued as a schematic.

Filed under schematics, though the file name is simply the JIS part number 2SD1903, so expect a component datasheet in this 131 KB PDF.

Tiny 30.2 KB PDF named 2sk65, a JIS part number that indicates a component datasheet, although it is filed as a schematic.

Covering the 2SK3335, this small PDF (32.6 KB) is a part datasheet placed in the schematic category.

Datasheet-style PDF for the 2SK3018, indexed here under schematics, though the 2SK prefix marks a Japanese JIS-registered N-channel field-effect transistor rather than a…

Brief PDF, about 30.2 KB, for the 2SK2509, a JIS-designated N-channel FET as indicated by its 2SK prefix.

Small 33.8 KB PDF on the 2sk2495, a part number in the JIS N-channel FET series marked by the 2SK prefix.

Only the part number 2SK2221 names this small 55 KB PDF, which is catalogued as a schematic but most likely serves as a component datasheet.

Small 33.4 KB PDF covering the 2SK1406 field-effect transistor from the Japanese 2SK numbering series, which designates N-channel FETs.

Small 35.2 KB PDF identified only by the part number 2SK665, a designation from the Japanese 2SK family of N-channel FETs, so the content is most likely a component…

Brief 24.7 KB PDF for the 2SJ0398, written with a leading zero in the name, which most likely refers to the 2SJ398 P-channel FET in JIS numbering.

Listed in the schematic category, this small 105 KB PDF is in practice a component document for the 2SD1064 part.

A 24.2 KB PDF for part 2SC5287, an NPN transistor by Japanese JIS designation. Though tagged as a schematic, a part-numbered file like this is normally a datasheet…

Small 37.9 KB PDF for the 2SC4715, with an _E suffix in the name whose meaning is not stated, possibly a language or document edition marker.

Component document for the 2SC5201 part number, catalogued as a schematic but almost certainly a semiconductor datasheet given the name and small 115 KB PDF size.

Small 56 KB PDF covering the 2SC4626 part, with an _E suffix that possibly marks an English-language version of the original document.

Small 39.3 KB PDF covering the 2SC4562, with an unexplained _E suffix in the name, listed under schematics.