A close-up of a printed circuit board (PCB) with various electronic components. The main focus is on the central chip, which a rectangular shape with a silver-colored metal casing. It is surrounded by several other electronic components such as capacitors and resistors. There are also several small black capacitors, including resist resistors and transistors. Some of the components are labeled "SOS" and "COS". There are also some smaller black capac capacitors scattered throughout the board. The board itself has green circuit boards with gold lines and numbers.
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