| 摘要 |
PURPOSE:To obtain the video signal and the voice signal of a ground broadcasting and a satellite broadcasting just selecting a station by switching automatically the descrambled video and voice signal corresponding to the state of a selecting means only when receiving the satellite broadcasting. CONSTITUTION:At the state of the power-on of an external input selecting switch 10, when a BS channel is selected and a BS receiving mode signal becomes a high level, changeover switches 15, 16 and 17 are automatically switched to external input terminals 13, 14L and 14R side, and the video signal and voice signal descrambled by an external descramber 18 are inputted in a recording part through an E-E circuit. On the other hand, when selecting the channel of the ground broadcasting such as a VHF broadcasting, the BS receiving mode signal becomes a low level, and the changeover switches 15, 16 and 17 are not switched to the external input terminals 13, 14L and 14R side regardless of the state of the external input selecting switch 10. |
