Laptop audio output circuit TPA6010A4

Shown is a notebook computer audio output circuit TPA6010A4. The left and right channel signals from the sound card circuit
are input through the ⑩ pin, ◎ pin and @ pin, and the ⑦ pin respectively. After being processed internally, they are sent through the @ pin, @ pin and @ pin, respectively. ②Pin output drives the left and right speakers to produce sound. The chip has high-volume and stereo processing functions to enhance the stereo effect.