The Part Number is SA-DA8.
This post describes for the semiconductor SA-DA8, SADA8.
The function of this semiconductor is AV Control Stereo Receiver.
The manufacturer of this part is Panasonic, Matsushita.
See the preview image and the PDF file for more information
Selecting fine audio equipment such as the unit you’ve just purchased is only the start of your musical enjoyment. Now it’s time to consider how you can maximize the fun and excitement your equipment offers. Sound can be deceiving. Over time you hearing “comfort level” adapts to higher volumes of sound. So what sounds “normal” can actually be loud and harmful to you hearing.
Other data sheets within the file : SA-DX1040, SADX1040