OPPO R1K smartphone schematics, packed in a 932 KB rar file. These diagrams show how the power management chip, battery connector, charging circuit, display and…

Schematic set for the BlackBerry 9700 smartphone, the Bold model, in a 797 KB RAR. The name gives only the model number with no board revision.

Schematic diagrams for the Huawei Nova 3 smartphone, 1.24 MB packed in RAR. No board revision is given in the name.

Schematic in PDF format for the Lenovo board NM-A471, numbered under the LCFC scheme used by Lenovo's in-house ODM.

Schematic PDF titled with the G71 project code, a 6L token most likely referring to a six-layer PCB, and a 121311 date stamp.

RAR archive of 560 KB carrying schematics for the Lenovo S700 handset. The name offers no board number or revision, so it is worth checking the mainboard silkscreen…

Service schematics for the Samsung SM-A217F, the Galaxy A21s, in a 9.69 MB RAR. Samsung service diagrams of this kind usually show the circuit sheets for power…

Schematic PDF whose name is only KL2D, probably a project or board code. The name gives no brand, board number or revision, so open the 979 KB document and read the…

Compal LA-6921P notebook schematic, revision 1.0, delivered as a 2.05 MB RAR archive. The LA numbering points to Compal as the original design manufacturer, while the…

Circuit diagram for the MSI MS-7506 board, compressed in a 1.68 MB RAR archive. MSI marks its motherboards with MS-xxxx numbers, which you can read from the PCB…

Compal schematic for mainboard LA-9869P, revision 1.0, archived as a 1.12 MB RAR. This board is used in the Toshiba Satellite L40D, platform VDKTE.

Equalizer circuit diagram supplied as a 263 KB PDF. The file name only says equalizer and gives no brand, model or board reference, so it cannot be tied to a particular…

Circuit diagram for the Wistron JM31-CP motherboard, revision R1.0, delivered as a 1.68 MB RAR archive.

Schematic for the Quanta EW6 board at revision 1A, 665 KB. The name does not identify the notebook brand or model, so rely on the EW6 marking on the PCB to confirm…

Laptop schematic for Compal board LA-2461 at revision R0.3, stored as a 1.29 MB RAR archive.

Compal LA-1181 schematic, revision R2.0, supplied as a 770 KB RAR archive. It documents an early Compal laptop motherboard, showing how its power rails, regulators and…

Schematic for the Samsung SM-A320F, supplied as a 3.51 MB PDF. The circuit pages cover the power management IC, battery and charging path, display and touch interfaces…

Schematic in PDF for the Gigabyte GA-P55-US3L motherboard, revision 2.02, about 1.9 MB.

DDR2 specification document, a 215 KB PDF identified as TN4703, catalogued under schematics.

PDF schematic labeled only X200, which most likely refers to the ThinkPad X200, though the name gives no board number, revision or manufacturer details.

Schematic for the Lenovo Y410, with the file name stating only the model, without a board number, manufacturer code or revision.

Revision 1.3 schematic of the Pegatron EIH31 board in the Acer Aspire 3750ZG, a 2.08 MB PDF.

Quanta AT6 mainboard schematic, revision R1A, in PDF format at roughly 1.58 MB. The AT6 project code belongs to the Quanta ODM numbering, so the board may sit inside a…

Datasheet-style PDF, 142 KB, for the 74HC595D, the familiar 8-bit serial-in, parallel-out shift register with output latches; the D suffix usually marks the SO package.

Datasheet PDF, 292 KB, for the 2SK1829 transistor. Under JIS naming, 2SK marks an N-channel FET; the file name gives only the part number, with no maker or package…

A 47.1 KB PDF covering the 1T365 transistor, placed in the schematic category of the index.

Named only 93AA46, this 130 KB PDF is indexed as a schematic but is most likely an older standalone datasheet for that 1 Kbit Microwire serial EEPROM.

Filed under schematics, this 357 KB PDF is named after the 25AA640 and 25LC640, which are Microchip SPI serial EEPROMs of 64 Kbit capacity, so it is most likely the…

Filed as a schematic, this 251 KB PDF is the datasheet for the Microchip 24LCS21A, a DDC serial EEPROM designed to store EDID data for displays.

A 133 KB PDF named for the Microchip 24LC174, catalogued under schematics but serving as the datasheet for a 16 Kbit I2C serial EEPROM in the cascadable family.

Microchip 24LC164 datasheet in PDF form, 115 KB, listed as a schematic in this index. The part is a 16 Kbit two-wire serial EEPROM from the cascadable line, so chip…

Datasheet PDF of 161 KB for the Microchip 24LC64B, though the catalogue labels it a schematic.

Filed under schematics at 217 KB, this PDF is the datasheet for the Microchip 24LC41, a dual-port serial EEPROM intended for display EDID storage in monitors.

Datasheet PDF of 286 KB covering the 24AA515, 24LC515 and 24FC515, Microchip serial EEPROMs of 512 Kbit (64 KB) on the I2C bus.

RAR archive of 1.53 MB containing a PDF schematic for Lenovo board NM-A101. The NM-xxxx board numbering is used by LCFC, Lenovo's own design and manufacturing arm.

Another copy of the Compal LA-A992P schematic, a 1.08 MB PDF whose name differs only by a duplicate suffix. It most likely matches the other file of the same size.

Zipped schematic for the Compal LA-A481P notebook board, 1002 KB, which the name says contains a PDF. No brand, model or revision is given.

PDF schematic whose name, KL2D, is only a short project or board code, with no brand, revision or model given.

Apple logic board schematic for 820-2915 at revision A, an uncompressed PDF of 1.99 MB.

Section 3.5 of a Spanish repair course on the ultrasonic cleaning tank, a 395 KB PDF within the workshop equipment chapter. No device model is given.