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原帖由: Xavier Gisbert Beguer ,

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You should give more information.

Try diagnosing the most obvious part. Set the volume up and make sure that the remote controller does not transmit signal to the TV. If you can, unplug the battery or make sure that no IR points to the TV (you can make sure it's not receiving a signal by pressing another button). If the sound goes down anyway, the remote is not to blame.

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