摘要 |
Even when an audio component is mounted on a non-flat portion such as a level difference portion or a bumpy portion, the audio component is stably fixed so as to improve sound quality without requiring a space for improving the sound quality, such as an exhaust chamber, and without increasing the cost. For this purpose, when a mounting rear face area of the audio component covers the non-flat portion on a substrate on which the audio component is mounted, the audio component is fixed on the substrate with a strength retaining member in the shape of a thin sheet provided therebetween for cancelling a level difference against a rear face of the audio component in the non-flat, portion.
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