Samsung UE75TU7020KXXU E-Manual page 171

Check the volume on the screen. If a number for the TV volume is not displayed, select
Sound Output. Then, select
Settings
Check the volume on the screen. If a number for the TV volume is not displayed, select
Sound Output. Then, select
Check the volume on the screen. If a number for the TV volume is not displayed, select
Sound Output. Then, select
Audio Out/Optical
TV Speaker.
TV Speaker.
Sound
Sound
TV Speaker.
TV Speaker
Sound Output
Sound Output
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Settings
Settings
TV Speaker
Settings
Sound
Sound
Sound