Keywords：HT4186, 4186, TV speaker, LG, Samsung
While using TV digital audio out(optical) , you may need to change TV Sound Out setting. Otherwise, there is no sound coming from TV.
Take LG TV as example 1:
Go to the TV’s Home>Settings (Gear Icon)>Advanced/All Settings (Gray circle with 3dots)>Sound>Sound Out
Then select "External Speaker"
Take Samsung TV as sample 2:
- Press Home on your Smart Remote, to access the Home Screen.
- Navigate to Settings > Sound.
- Select Sound Output.
- Select Audio Out/Optical