| 摘要 |
A system includes a DVD recorder capable of recording and playing back video data using an HDD, a TV receiver capable of displaying TV broadcasts or effecting display based on the video data played back by the DVD recorder, and an HDMI interface that integrates the function of the two devices, i.e. the TV receiver and DVD recorder. The DVD recorder is powered on in step with the power-on of the TV receiver via the HDMI interface, enabling video data to be supplied from the DVD recorder to the TV receiver. When powered on, the DVD recorder maintains the magnetic disk of the HDD in rotation while the magnetic head is held above the surface of the magnetic disk. The magnetic head is retracted off of the surface of the magnetic disk upon elapse of a predetermined standby time in the absence of instructions regarding recording or playback. HDD malfunctions due to penetration of dust etc. in the gap between the magnetic head and magnetic disk when the magnetic head is held above the surface of the rotating magnetic disk for an extended period of time can be reduced using a simple configuration.
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