The SD card reader, game card slot, and headphone jack—previously separate components—are now grouped onto a single, uniquely shaped board often compared to an electric guitar.
For those performing micro-soldering or board-level repairs, the following resources are commonly used by technicians to compensate for the lack of official schematics: Schematic Nintendo Switch Oled
If you are looking for schematics to repair or mod your console, the consensus among the repair community is as follows: Official Availability: The SD card reader, game card slot, and
The system retains the standard 4310 mAh (16 Wh) lithium-ion battery (HAC-003), which is glued to the housing but remains accessible once the shield plate is removed. Audio and Display Interconnects The SD card reader
That said, for interoperability (like the creators of the RP2040-based modchips) is legally protected in many jurisdictions—but sharing the resulting schematic often isn't.