Sound Issues
Please check the items below.
There is a delay between the picture and sound.
There is a delay between the picture and sound.
- Press
button on your remote control and select 
Settings > Display & Sound > Sound > Digital Audio Output > Digital Audio Delay. Set the value to 0. - Press button on your remote control and select Settings > Display & Sound > Sound > TV Sound Effect > Lip Sync. Adjust the value as you desire.
- Check the signal information. If the signal is weak or poor, a delay between the picture and sound may occur but it is not a malfunction.
Note:
- Options may not be applicable depending on your model/country/region and the Audio Output you select. Please refer to the specific product.
Sound is distorted or cuts out momentarily.
- Some electrical appliances may affect the console. If you turn off the appliance and the interference disappears, it proves that the appliance does affect the picture performance. Please move it further away from your console.
- Make sure that the connection cable or the cable connector is not damaged.
- If you use an external audio output device, make sure that the audio cable is connected to the correct audio output connector on the external device. Place the device as close as possible to the console without any obstacles between them.
- Check the signal Information. A weak or poor signal may cause sound distortion, but it is not a malfunction.
Volume cannot be changed or it changes on its own.
- Press the power button on the console to check if the console responds. If there is no response, the console may not be normally working. If the console responds, press the remote control to check if it can control the console. If not, please check the remote control. For specific information please refer to Troubleshooting > Remote Control Issues in this manual.
- Check if is turned on at > Settings > Display & Sound > Sound > TV Sound Effect.
- When connecting an external speaker via HDMI, first check the cable connection, then press button on your remote control and select Settings > Channels & Inputs > External Inputs, set to .
- Insufficient console memory causes a lag when you change the volume. Please clear cache.
- If you have just turned on the console, there may exist a delay after you press the volume up/down button on the remote control. Please wait a while for the console to start up fully.
- If the problem persists, restart your Console.