FM ANTENNA AUDIO CONTROL VR301 POWER AMPLIFIER IC201 R-CH SP L-CH SP FUNCTION SELECTOR SW 302 MUTING CIRCUIT Q207 Q208 POWER SWITCH AND SHORT CIRCUIT PROTECTION Q201 Q202 Q206 MCU CD SERVO SYSTEM IC701 IR SENSOR IC702 IC703 MAIN SUPPLY Q203 Q204 Q205 AC IN DC 7.5V