GX-10DB- Troubleshooting

Resetting the unit                                                                         
Turn on the unit. While pressing down the POWER/INPUT switch on the rear panel, press and hold the Mute button on the remote controller.
The LED Source Indicator turns off, and turns on again. Then resetting is complete.

Failure judgment: The LED Source Indicator lights up in red, and the unit does not turn on.                                                     

The protection circuit may be functioning.
According to the following procedure, restart the unit, and reconnect the cable.
1. Remove the AC adapter from the unit, and wait at least 10 minutes.
2. Remove the speaker cable connecting the right and left speakers, and reconnect it.
3. Reconnect the AC adapter.
4. Press the ON/STANDBY button, and check if the unit turns on.　
When the unit does not turn on or the LED lights up in red again, the unit may be malfunctioning.

Failure judgment: No sound is reproduced from the right or left speaker.

– When the external device has been connected to this unit with an analog cable, contact failure or disconnection of the cable may have occurred. Reconnect the cable or replace the cable with another one to see how it works.
When the external device has been connected to this unit with a digital cable, check the audio output setting of the external device.

Failure judgment: Pairing with a BLUETOOTH-supported device cannot be established.

According to the following procedure, delete the information of the BLUETOOTH-supported device, and perform pairing again.
1. Turn on the unit, and press and hold the BLUETOOTH button on the remote controller at least 10 seconds.
Pressing and holding the button for 10 seconds or longer will delete the information of the BLUETOOTH supported device stored in the unit.
2. Open the setting screen of the BLUETOOTH-supported device (smartphone, PC, etc.), and delete the information of this unit (device name) that has been registered.
       *For more information, refer to the instruction manual of the BLUETOOTH-                        supported device.
Repairing                                                                                     
1. Turn on the unit, and press the BLUETOOTH button on the remote controller.
2. Confirm that the LED Source Indicator blinks in blue. Then operate the BLUETOOTH-        supported device, and perform pairing again.
3. When the pairing is successful and the LED Source Indicator lights up, play music, etc.      to check if the sound is reproduced.

Failure judgment: No sound is reproduced from PC.               
When the PC is connected using a USB cable
According to the following procedure, confirm the PC settings.
1. While this unit is connected, right-click the speaker symbol at the bottom right of the      PC screen, and select "Sound setting".
2. Select "Output" - "Choose where to play sound" and set this unit.
If no sound is reproduced even after the setting is complete, or if this unit is not displayed on the setting screen, change the connection location of the USB terminal, and see how it works. If no sound is reproduced even after the connection location is changed, the unit may be malfunctioning.

Failure judgment: No sound is reproduced from TV.                 
Check if the digital audio output setting of the TV is set to "PCM".
This unit supports PCM signals. It does not support Dolby Digital or AAC.