Car radio application using class AB Audio Power Amplifier usually has TDA7360 inside it. It is a 22W bridge or stereo audio ampwith features such as minimum external components, high output power, fixed gain, clipping detector and etc.
2. C2 for input decoupling (CH2)3is 0.22 uF
3. C3 for supply voltage rejection filtering capacitor.
4. C4 for 22uF standby ON/OFF delay
5. C5 minimal 220uF for standby-pass
6. 100 nF for C6 with its ability to supply by-pass
7. 2200 uF for the C7 of Output decoupling CH2
The TDA7360 bridge/stereo audio amplifier datasheet in pdf filetype may give you complete explanation.
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