Schematic in PDF format for the ASUS B75M-A desktop motherboard, an Intel B75 chipset micro-ATX board, stored in a RAR archive.

Schematic in PDF form for the Gigabyte GA-H110M-WW motherboard, revision 1.0, packed into an 851 KB RAR.

Gigabyte GA-B150M-WIND schematic, revision 1.01, in PDF format and archived as a 1.02 MB RAR. This micro-ATX board uses the Intel B150 chipset.

Schematic in PDF for the Gigabyte GA-B150M-SC-SI motherboard, revision 1.1, distributed as a 971 KB RAR.

Schematic of the small sub-board for the Redmi K40 Pro smartphone, a 100 KB PDF. The small board in phones usually carries the USB charging port, microphone and related…

Schematic in PDF form for the ASUS P8H61-M LX3 SI desktop motherboard, packed in a 765 KB RAR.

Datasheet in PDF, about 91 KB, for the 93C66 serial EEPROM, the 4 Kbit member of the widely used 93-series Microwire family; the _3 suffix in the name likely marks a…

A short 147 KB PDF labelled only 93AA76, catalogued as a schematic but most likely an older datasheet for that Microwire serial EEPROM part.

Here is a 323 KB PDF named for the 25AA040, 25LC040 and 25C040, a Microchip family of 4 Kbit SPI serial EEPROMs; despite the schematic label it is a datasheet.

PDF schematic for a board identified as 945M09, a code matching the Foxconn style for an Intel 945 chipset micro-ATX motherboard, catalogued under ECS.

Schematic for a mosque mixer, the Indonesian name Mixer Masjid, model Master Box X6, provided as a 585 KB PDF despite the doubled extension in the original name.

Schematic for the Gigabyte GA-F2A68HM-S1 desktop motherboard, revision 1.1, provided as PDF inside a RAR archive.

Schematic set for the Microsoft Lumia 950 XL, hardware type RM-1085, packed as a 1.67 MB zip.

Gigabyte GA-H61M-DS2 desktop motherboard schematic, revision 4.0, supplied as a 589 KB PDF. The H61M naming points to an Intel H61 chipset micro-ATX board.

Schematics for the Gigabyte GA-G31M-ES2L, an Intel G31 micro-ATX motherboard for LGA775 processors, in a single PDF.

Covering the 25AA320, 25LC320 and 25C320, this 383 KB PDF is listed as a schematic but is in practice the datasheet for a Microchip family of 32 Kbit SPI serial EEPROMs.

NXP document UM10391 in PDF format, 1017 KB. The UM prefix marks an NXP user manual, a reference describing a chip family, its registers, peripherals and pin functions…

A 2.78 MB PDF schematic page dedicated to the SD card section of the Samsung SM-A23. It shows the memory card socket, its data, clock and command lines, card-detect…

Memory card slot section of the Samsung SM-A11 schematic, a PDF of 4.33 MB. The sheet covers the microSD connector, its supply rail, card detect signal and the data and…

Circuit diagrams for revision 1.0 of the Gigabyte B550M DS3H micro-ATX board, delivered as a PDF inside a 1.22 MB RAR archive.

PDF schematic for the Gigabyte GA-H61M-S2PT desktop motherboard, revision 1.0, compressed into a 765 KB RAR archive.

Schematic in PDF form for the Dell OptiPlex 5050 MFF-AF board, the micro form factor variant, about 3.10 MB. A related boardview identifies the board maker as Pegatron.

Apple iPhone 4S schematic in a 1.34 MB PDF. The name gives no board number or revision, so compare the diagram with the logic board you are servicing.

PDF circuit diagram for the Foxconn G31MV mainboard, an Intel G31 chipset micro-ATX model, filed here under the ECS brand.

Schematic in PDF for the G31M-ES2C motherboard, revision 1.12, the Intel G31 micro-ATX design sold under the Gigabyte name.

Schematics for the Gigabyte GA-G33M-DS2R, an Intel G33 chipset micro-ATX motherboard with onboard graphics and LGA775 support, in one PDF.

Memory card slot schematic for the Samsung SM-A21s, provided as a 3.81 MB PDF. It documents the microSD reader circuit, typically the slot supply, data and clock lines…

PDF schematic for a sub board, labelled A015 and marked ORG, which typically indicates an original rather than redrawn document.

Schematic section in PDF for the handsfree, meaning the headset or wired earphone jack circuit, from an unnamed sectioned set of roughly 4.77 MB pages.

Gigabyte GA-H61M-DS2 motherboard schematic, revision 2.01, supplied in PDF format. The H61 in the name indicates the Intel H61 chipset, used with LGA1155 processors on…

Circuit schematic for the ASUS Pro Q470M-C business-class micro-ATX motherboard based on the Intel Q470 chipset, in PDF form packed into a 1.22 MB RAR file.

Gigabyte GA-B85M-D3V desktop motherboard schematic in PDF, compressed as RAR, for revision R20 as the name suggests.

Schematic in PDF format for the ECS H61MXL-K motherboard, about 1.13 MB. The model name points to an Intel H61 chipset micro-ATX platform, though no revision is given in…

Schematic for the ASUS H110M-E micro-ATX motherboard on the Intel H110 chipset, packaged as a PDF inside a RAR file of 1.58 MB.

PDF schematic for the Gigabyte GA-H61M-S2P-R3 board in revision 3.02, packed in a RAR of around 639 KB. It belongs to the Intel H61 chipset family of micro-ATX boards.

Circuit diagram in PDF form for the Gigabyte GA-P55M-UD2, apparently covering PCB revision 1.0B, delivered as a 1.16 MB RAR archive.

Gigabyte GA-P55A-UD3 schematic, apparently for revision 1.0B, supplied as a PDF in a 1.22 MB RAR archive.

Schematic diagram for the Gigabyte GA-H110M-S2P micro-ATX motherboard, provided as a PDF in a 1.92 MB ZIP; no board revision is stated in the name.

Compact 544 KB RAR archive with schematics for the Lenovo TD80T phone. The file name carries no board number or revision details, so check what is printed on the…

Circuit diagram for the Biostar P4M8P-M7A desktop motherboard, supplied as a PDF with no revision given in the file name.