Technical Mriganka 2.1 amplifier design using the TDA7379 and TDA7377 power amplifier ICs, a 206 KB PDF.

Charging and USB data section of the Samsung SM-A11 schematic, saved as a 4.34 MB PDF. It covers the USB connector, overvoltage protection, charger IC, battery connector…

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

PDF circuit diagram for the ThinkPad T400 built on the MALIBU-3 motherboard, an external SDV-stage release, version 142 dated 0928, covering the ICH9 chipset variant.

Reference PDF, 181 KB, for the KA2923, an IC from the KA prefix series; the name contains only the part number and does not state its function, so that must be read from…

Charging and data circuit schematic for the Samsung SM-A23, a 2.78 MB PDF. It covers the USB port path, the charger IC, overvoltage protection, data lines and the…

Schematic diagram for the Xiaomi Mi 10S smartphone, packed as a RAR archive of around 1.16 MB.

Circuit diagrams for the Huawei Honor 9 Lite smartphone, stored as a PDF in a 693 KB RAR.

PDF document named after the BQ25601, a Texas Instruments single-cell lithium-ion battery charger IC used in phones and other portable devices.

PDF document filed under schematics for the KA2818 part, a 104 KB file whose name gives only the part number with no device or revision details.

Schematic for the Samsung Galaxy Ace NXT, model SM-G313H, in a PDF file of roughly 2.10 MB.

Schematic of the Xiaomi Mi Note 10 smartphone, packed as a 1.31 MB PDF document. Repair technicians use phone schematics to follow power from the battery and charger IC…

Datasheet-style PDF for the 2SD1827, size 135 KB, filed under the schematic category. The part number follows the Japanese JIS system, where 2SD identifies an NPN…

Component distribution map for a Xiaomi Redmi phone, as the Chinese title indicates, provided as a 6.29 MB PDF.

PDF of the top-side silkscreen for board NMA931R10, the LCFC NM-A931 board at revision 1.0 by the naming pattern.

PDF document named TDA2824, a designation used for a dual low-voltage audio power amplifier IC.

2.1 amplifier schematic built around the TDA7294, by Technical Mriganka, in a 219 KB PDF.

Modified 2.1 channel amplifier schematic, a 90.6 KB PDF; the title does not say which original design was altered or which ICs are used.

Datasheet for the ROHM BD9285F, 1.08 MB PDF. The F suffix in ROHM naming denotes an SOP package.

Schematic PDF for the Samsung SM-E700H, the Galaxy E7 dual-SIM model. At 12.8 MB it likely contains detailed circuit pages for power management, charging, display…

BA1404 reference PDF, 140 KB, for the ROHM FM stereo transmitter IC often used in small hobby and consumer FM transmitter circuits.

The 2SC4944 is the only detail carried by this 259 KB PDF, catalogued as a schematic. Since 2SC is the JIS/JEITA prefix for NPN bipolar transistors, the document should…

A 115 KB PDF for the 2SC3643. In Japanese JIS numbering the 2SC prefix denotes an NPN bipolar transistor, and the bare name suggests a manufacturer datasheet instead of…

Only the part number 2SC3332 appears in the name of this 115 KB PDF, which is labelled a schematic but is most likely a transistor datasheet.

Schematic of a 2.1 channel amplifier based on the TDA2030A, from Technical Mriganka, in a 416 KB PDF.

Electrical part list for the Samsung SM-A750FN, a Galaxy A7 2018 variant code, provided as a 393 KB PDF.

Short 310 KB PDF listed as a schematic and identified only by the code 00001772A, so no device, maker or board number can be read from the name.

Datasheet-style PDF, 217 KB, for the 2SC3668 transistor; the name supplies no other details.

Short Spanish PDF on schematic nomenclature, 21.2 KB, not tied to any device. It likely explains the designator prefixes and symbols used in diagrams, such as R for…

PDF document named after TAS5614LA, a Texas Instruments Class-D audio power amplifier IC used in audio equipment.

Large 44.5 MB PDF catalogued as a schematic, its Persian file name roughly meaning mobile repairer.

2.1 amplifier schematic attributed to Amiru, a compact 98.7 KB PDF. The name gives no details about the ICs or power level, so the diagram itself must be read for…

Document for the BA7075, a ROHM integrated circuit, provided as a 158 KB PDF and filed as a schematic.

Covering the 2SC5320, this 124 KB PDF is indexed as a schematic but is almost certainly a datasheet for a single transistor.

Reference PDF for the BQ24753A, a Texas Instruments charge controller part number commonly found on laptop motherboards, filed here at 2.06 MB.

English-language component location map for the Apple 820-01814 logic board, a 2.70 MB PDF.

PDF document covering the BQ24726, a Texas Instruments SMBus-controlled notebook battery charger IC.

2.1 channel hi-fi audio amplifier circuit by Technical Mriganka, a 164 KB PDF. The title does not name the amplifier ICs or output devices, so identify them from the…

Component placement drawing for Apple logic board 820-01055, a 228 KB PDF. Placement sheets map reference designators to physical locations, so you can find a capacitor…