Service manual for the Samsung SGH-J700 handset, revision 1.0, provided as a 4.47 MB PDF.

Schematic PDF for an Apple MacBook logic board numbered 820-00239, 6.09 MB. Apple uses the 820-xxxxx scheme for its logic boards, and the number is printed on the PCB…

Samsung R18 notebook schematic, a 1.36 MB PDF file. The name carries only the model, with no board number, code name or revision, so treat it as a reference until the…

Schematic for the Samsung NP-M70 notebook in a 4.24 MB PDF. The name states only the model, with no board code name or revision, so the drawing should be checked against…

Schematic diagram in PDF form for the ASUS X407UBR motherboard, revision 1.0. The roughly 9 MB document covers the board circuitry and is used to trace power rails…

Boardview content for the ASUS M3400QA, revision 2.0, exported as a 1.37 MB PDF rather than a native boardview format.

Lenovo Legion Y540 schematic for board NM-C372, revision 2.0, a 2.82 MB PDF. NM-prefixed numbers follow the scheme used by LCFC, Lenovo's Compal joint-venture design…

Schematic for the Dell Inspiron 15-3542 laptop, Wistron Cedar mainboard 13269-1, also carrying the Dell identifier FX3MC, 4.72 MB PDF.

MSI schematics for mainboard MS-14B2 version 10, which also covers sub-board MS-14B21, as a 1.62 MB PDF.

Small 37.9 KB PDF for the 74HC4050, a hex non-inverting buffer from the high-speed CMOS family, often used as a level shifter because its inputs can accept voltages…

Reference PDF for the HM9102D, catalogued as a schematic and sized at 467 KB; the name carries only the part number with no device, board or revision information.

Duplicate copy of the 2SC4517 NPN transistor sheet, a 26.9 KB PDF filed among schematics, with the numbered suffix indicating a second saved instance rather than a new…

Reference sheet in PDF for the IRFP32N50K MOSFET, which the name rates at 500 V and 32 A.

Reference sheet for the 2SD2607 component, delivered as a 51.7 KB PDF and filed under schematics. No brand or variant appears in the name beyond the part number itself.

Component document in PDF for the 2SK2555, filed under schematics although the part number points to a discrete semiconductor rather than a board.

Small 37.0 KB PDF for the 2SB1427 transistor; the name gives only the part number, with no maker or revision.

Small 29.3 KB PDF covering the 2SA1436 transistor. In the Japanese JIS designation system a 2SA number denotes a PNP transistor, nominally a high-frequency type, though…

A 64.4 KB PDF for the 2SA1906, with a 1-2 suffix in the name that may indicate the first of two pages or parts; the exact meaning is not stated.

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

Component sheet in PDF format, 47.7 KB, named for 2PC4081, probably revision 4 of the document.

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

The 1SV266 is the only detail in this file name, and the 59.2 KB PDF is indexed 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.

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.

Indexed as a schematic, the 51.2 KB file 30SCLJQ045 appears to be a single component datasheet for a rectifier, sitting between the 030 and 060 voltage grades in this…

The 71.5 KB PDF called 25L4004 is catalogued as a schematic, yet its name follows the style of a serial memory part number, so it is most likely a chip datasheet.

A 312 KB PDF covering the 24LC21 serial EEPROM, with the -1 suffix probably marking a separate edition or part one of the documentation.

A 329 KB PDF datasheet for the 24AA52 and 24LCS52 serial EEPROMs, small 2 Kbit I2C memories.

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.

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…

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…

Working instruction document number 1304-4324 for a product designated F32, revision 4, as a 3.70 MB PDF.

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 fault-analysis document for the J700, which by naming convention is most likely a Samsung Galaxy J7 handset, although no brand is stated.

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…

Rear 5MP ultrawide camera schematic for the Samsung SM-A23, provided as a 2.79 MB PDF. The drawing covers the ultrawide module connector, its data and control lines and…

Samsung SM-A20S schematic section covering the Wi-Fi, Bluetooth and GPS circuitry, supplied as a 4.63 MB PDF.

Samsung SM-A20S schematic section dedicated to the LCD backlight, 4.62 MB PDF. It covers the backlight driver circuit, its boost coil, diode and capacitors, and the…