Circuit diagram of the Quanta TT9 motherboard at revision R1A, a compact 820 KB PDF and the third upload of this drawing.

Lenovo ThinkPad schematic for board NM-A151 in PDF form, 1.79 MB. The NM- numbering belongs to LCFC, the Lenovo ODM behind many ThinkPad boards.

Schematic in PDF format for a GTX 750 Ti graphics card, based on the board code P2010-B01, which follows NVIDIA's reference PCB numbering.

Component reference for the 5LP02C, a 42.3 KB PDF that the index lists as a schematic. The name carries just the part code, where the LP letters appear to mark a…

A 230 KB PDF for the 2SK2911, filed as a schematic although the bare part number suggests a manufacturer datasheet.

PDF reference, 35.6 KB, for the 2SK2276, a Japanese JIS-registered device where the 2SK prefix indicates an N-channel field-effect transistor.

Small 33.2 KB PDF covering the 2SK1478, written in lowercase in the original name. The 2SK prefix belongs to the Japanese semiconductor designation for N-channel…

The 2SC4030 transistor is documented in this 119 KB PDF, which is listed in the schematic section.

Datasheet for the 2SB1539 PNP transistor as a 40 KB PDF; the _E suffix most likely marks the English edition of the document.

At 41.7 KB, this PDF is labelled with the 2SA1532 part number plus an _E suffix and is indexed as a schematic, though a single-part file like this is normally a…

Component reference for the 2SA1521 transistor, stored as a 30.2 KB PDF and filed under the schematic category.

Small 81.5 KB PDF named after the 2SA1724 part number and filed under schematics. Nothing else in the name identifies a product or circuit board.

Datasheet PDF of 204 KB for the 2N3771, a JEDEC 2N-series transistor, catalogued in the schematic section.

PDF datasheet, 45.5 KB, for the 1N4934 fast recovery rectifier diode from the 1N4933 to 1N4937 family.

Covering the range 1N821 to 1N829, this 41.9 KB PDF is a series datasheet for a family of JEDEC 1N diodes, despite being indexed as a schematic.

PDF listed as a schematic under the name 30ETH06, a code that matches the pattern used for power rectifier diodes rather than any motherboard.

Compact 65.6 KB PDF stored as a schematic and labelled 28LV64A, part of the 28LV64 low-voltage EEPROM naming family, with the A suffix indicating a specific variant.

A compact 77 KB PDF filed as a schematic, named 24WCXX, which refers generically to the Catalyst Semiconductor 24WC series of I2C serial EEPROMs; the name gives no…

A 56.5 KB PDF from the Catalyst 24WC series, naming the 24WC32 and 24WC64, which are 32 Kbit and 64 Kbit two-wire serial EEPROMs; the schematic label aside, this is a…

The Microchip 24LC32A, a 32 Kbit I2C serial EEPROM, is documented in this 586 KB PDF that the index lists as a schematic, though it reads as a datasheet.

Datasheet-type PDF, 394 KB, for the 24LC08B, an 8 Kbit I2C serial EEPROM arranged as four 256-byte blocks.

A 219 KB PDF for the 24C01C, a 1 Kbit (128-byte) serial EEPROM part number using the I2C two-wire bus.

Circuit schematic for a model named T42, supplied as a 1.08 MB PDF; the name carries no manufacturer, board number or revision.

Schematic in PDF for the IBM ThinkPad T61, about 2.21 MB. The name states no board number, revision or graphics option, and T61 boards were made in integrated and…

PDF schematic for the Apple A1181 MacBook, logic board 820-2279 at revision A. Apple's 820-xxxx numbering identifies the specific logic board, so the number printed on…

Portuguese PDF, 88.3 KB, on using a bench power supply (fonte de bancada), apparently converted from another document format. No device or model is referenced.

Portuguese-language PDF listing complete equivalences for SMD transistors, a cross-reference for identifying surface-mount parts by their marking code and finding…

Schematic in PDF for the ASUS U36JC motherboard, revision 2.0, a compact 582 KB file. It documents the power-on sequence, charger and regulator circuits, the main…

Memory card section of the Samsung Galaxy A30s (SM-A30S) schematic, provided as a 4.29 MB PDF document.

Circuit diagram in PDF form for the Lenovo 3000 G550 laptop, about 1.5 MB. The name lists neither the board number nor the revision, so check the title block and compare…

PDF schematic of 3.91 MB for a mainboard labelled NB3029, apparently the WSCH MB variant at version V4 A, as the name states.

Dell 15-3520 schematic for Compal board LA-946P, project code HDL5A, revision 1.0C, supplied as a PDF inside a RAR archive. LA- numbers are Compal project codes.

Schematic diagram set in PDF form for the Gigabyte X570 UD motherboard, revision 1.0A, compressed in a RAR archive.

Complete schematic for the Samsung Galaxy J7 Star, model SM-J737T, in a compact 789 KB PDF marked completo in Spanish.

Schematic set in PDF form for the Quanta LI8G mainboard, number DALI8GMB6D0, packed in a 1.53 MB RAR archive.

Quanta CH1 project schematic, revision 2A, provided as a 970 KB PDF. No laptop brand or model appears in the name, only the Quanta code and revision, so verify the board…

PDF schematic for the Gigabyte Z390 Gaming SLI, revision 1.01, archived as RAR. The diagrams show power delivery, chipset and CPU connections, sequencing signals and…

Schematic of the Quanta BL5S motherboard, revision 1A, provided as a 1.00 MB PDF. BL5S follows Quanta's internal project-code naming; as an ODM, Quanta builds boards…

Foxconn 915A01 desktop motherboard schematic in PDF, a board whose model code suggests the Intel 915 chipset generation, catalogued under ECS.

Power supply schematic for a chip amplifier, provided as a 497 KB PDF with a source tag in the name.