Yamaha YAS-207 オーナーマニュアル

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Refer to the table below when the unit does not function properly. If the problem you are experiencing is not listed below or if the instructions 
below do not help, turn off the unit, disconnect the power cables of the center unit and subwoofer, and contact the nearest authorized Yamaha 
dealer or service center.
First, check the following:
1 The power cables of the center unit, subwoofer, TV and playback devices (such as BD/DVD players) are connected to AC wall outlet 

2 The center unit, subwoofer, TV and playback devices (such as BD/DVD players) are turned on.
3 The connectors of each cable are securely inserted into jacks on each device.

When the auto power standby function is enabled, the unit 
automatically turns off in any of the following situations:
- No operations have been performed for 8 hours
- BLUETOOTH or HDMI is selected as the input source, 

but no audio has been input to the unit or no operations 
have been performed with the unit for more than 20 
minutes.

Turn on the unit again. If the auto power standby function is not 
used, disable the function (p. 35).

The protection circuitry has been activated. (The 

DD /

DTS indicator on the center unit flashes.)

After confirming that all connections are made properly, turn on 
the unit again. If the power still turns off frequently, unplug the 
power cable from the AC wall outlet and contact the nearest 
authorized Yamaha dealer or service center.

The Bluetooth connection was terminated by a Bluetooth 
device with the unit’s Bluetooth standby function enabled.

Disable the Bluetooth standby function (p. 33).

The protection circuitry has been activated three times 
consecutively. (If you try to turn on the power in this 
condition, the 

DD / DTS indicator on the center unit will 

flash.)

To protect the product, the power cannot be turned on. Unplug 
the power cable from the AC wall outlet and contact the nearest 
authorized Yamaha dealer or service center.