| 摘要 |
An automatic power supply system for an acoustic apparatus having at least a cassette deck box and an audio box connected thereto, the deck box including an automatic power supply circuit and a tape/radio selector switch. A power source +B is supplied to the automatic power supply circuit or a relay control circuit of the audio box through the selector switch. The power source +B is further supplied to an audio amplifier through a relay which is adapted to be energized or deenergized by the relay control circuit. |
