hi, i was wondering if someone can help me i am trying to make a carstereo board a modification, that has a tda7388 chip for the audio amplifier section, but i am trying to make it work separatly as a audio amplifier for another audio input, so what pins in the chip shuold i actívate and how, so that i can apply another audio source and use it as amplifier, i will be very pleased if someone can help me

 

Have you tried the datasheet?

http://www.st.com/web/en/resource/technical/document/datasheet/CD00179160.pdf