Handsfree and headset audio section of the Samsung Galaxy A12 (SM-A12) schematic, 3.39 MB PDF.

PDF schematic for the GC-RP64LED revision 1.0, apparently a duplicate copy of the same 182 KB document.

Compilation of service mode access codes for LED televisions, 936 KB PDF, with no single brand named.

Listed in the schematic category, this 139 KB PDF named 27c020 is in fact best read as a datasheet for a 27C-series CMOS EPROM.

Filed among schematics, this 91.7 KB PDF is named 2764 with nothing else to identify brand or board.

A 135 KB PDF for the part 27c512, placed in the schematic category but in practice a datasheet for a member of the widely used 27C CMOS EPROM family.

Schematic in PDF for the GC-RP64LED at revision 1.0, a compact file of about 182 KB. The GC prefix appears on Gigabyte add-on products, but the name does not state the…

Datasheet PDF of 117 KB for the 24C02C, a 2 Kbit (256-byte) serial EEPROM accessed over the two-wire I2C interface.

A 119 KB PDF tagged as a schematic and named 27256b, the b suffix suggesting a revised variant of a 27256 part.

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.

PDF document of 126 KB for a part labelled 23c256. The 23C prefix is typically used for mask-programmed ROMs, with the number pointing to a 256 Kbit size, although the…

PDF component document of 164 KB for the 23c010 part. Within the common 23C naming scheme this denotes a mask ROM, with 010 typically standing for 1 Mbit, though the…

Intel SPI Programming Guide in PDF form, 913 KB, catalogued under schematics although it is a reference document rather than a board diagram.

Very short 20.1 KB PDF for the part 27C256-12A, catalogued as a schematic. The number belongs to the 27C EPROM family, and the -12 suffix normally reflects the…

Short PDF of 76.2 KB covering the 24C16, a 16 Kbit (2 KB) serial EEPROM accessed over the two-wire I2C bus.

Spanish PDF, 474 KB, titled CDMA and FSK and numbered 5, apparently a chapter in a communications course.

Topic 8 of a Spanish mobile repair course, covering backup, root and recovery on smartphones, supplied as a 306 KB PDF. No specific device is named.

A 77.2 KB PDF named 23c040h, a variant of the 23C040 part with an added H suffix whose meaning is not stated in the name and must be read from the document.

Circuit schematic for the Xiaomi Mi 8 Lite, codename platina, packed into a 2.57 MB 7z archive. Unpack it to access the drawings.

Quanta CT3 mainboard schematic at revision R2A, delivered as a 1.16 MB PDF document. Opening it in a PDF reader gives access to the rail map, regulator circuits…

Small 29.8 KB PDF titled as a Mitashi service code document, filed among schematics, for products of the Indian brand Mitashi.

Schematic for the Xiaomi Mi Max phablet, codename hydrogen, packed in a 1.61 MB 7-Zip archive. Extract it to access the diagram pages.

Duplicate of the Spanish lesson on CDMA and FSK, numbered 5 and 474 KB in PDF format. It covers code division multiple access and frequency shift keying, two key…

Circuit diagram for the Gigabyte GA-Z87X-UD3H motherboard at revision 1.1, packaged as PDF in a 1.17 MB RAR archive.

Version 1.0 service schematic for the Sony MEX-BT5100 car stereo with Bluetooth, delivered as a 6.42 MB PDF.

Electrical schematic for the Orange Pi PC Plus, revision 1.1, as a 228 KB PDF. It documents the power supply circuits, SoC pinout, memory, onboard storage, Wi-Fi…

Small 73.4 KB PDF for the Sony KD-43XH8005 television, referencing part number 1-002-850-31 and YS9S049HNG01, and labelled EMMC.

PDF compilation of service menu access codes for LCD and LED televisions, apparently collected from a Soft4LED source, about 203 KB.

Product specification document for the Samsung SM-G780G, the Galaxy S20 FE, part of its service manual set, as a 1.92 MB PDF.

Service manual for the LED TV SKP30HH-ZFA, a 6.05 MB PDF that also covers the MTC-S08 chassis shared by the SKP and SKQ model groups.