AIWA NSX-S111 music center.What’s inside,the electrical circuit

I got the AIWA NSX-S111 music center.In this article I will show its schematic diagram and show the boards.On the main board there is a low frequency amplifier and a radio receiver

Electrical diagram of the main board

The output stage of the low-frequency amplifier is made on four transistors 2sb1616 and 2sd2478.

Control board and circuit.The control is performed on the M38B59MFH-P113FP processor