| 摘要 |
PURPOSE:To obtain reproduced sound automatically and correctly by detecting a selectively set sound reproducing device without having a sound source loaded and driving another sound reproducing device unnecessary to load a sound source. CONSTITUTION:In either case that a compact disk player 24 is discriminated not selected(NO), a cassette tape recorder 25 is discriminated not being loaded a cassette tape(NO), or a compact disk player 24 is discriminated not being loaded with a compact disk(NO), a microprocessor 21 generates a selection signal to switch a selection circuit 27 so that the reproduction signal from a radio receiver 26 is guided to an amplifier 28 and then drives the radio receiver 26. Therefore, if a sound source is not loaded in the sound reproducing device selected by a user, a reproduced sound is automatically obtained. |
