The designation "A20112" is most commonly associated with proprietary power supply boards used in arcade hardware (specifically Namco System 246/256 platforms used for games like Tekken 4 , Time Crisis 3 , and Soul Calibur II ). Schematics for these specific AC/DC converter units are rarely released as public service manuals, as they are treated as "replaceable units" (FRUs) by the manufacturer. Youtube 2021 | The Crew
| Pin Number | Voltage | Wire Color (Typical) | Function | | :--- | :--- | :--- | :--- | | 1 | +12V | Yellow | Drive / Fan Power | | 2 | +12V | Yellow | Drive / Fan Power | | 3 | GND | Black | Common Ground | | 4 | GND | Black | Common Ground | | 5 | +5V | Red | Logic Power (CPU/GPU) | | 6 | +5V | Red | Logic Power | | 7 | +3.3V | Orange | I/O & Logic | | 8 | +3.3V | Orange | I/O & Logic | | 9 | GND | Black | Common Ground | | 10 | GND | Black | Common Ground | Uncensored — Public Nudity Episode Of Fear Factor Updated