LG 55UB820T Service Manual page 86

Standard Repair Process Detail Technical Manual
Error
Established
C. Audio error_No audio/Normal video
2014.02.05
symptom
date
LCD TV
Revised
Content A20
Checking method in menu when there is no audio
date
<XXUB83/820X-XX>
Checking method
1. Press the Setting button on the remote controller
2. Select the Sound function of the Menu
3. Select the Sound Out
4. Select TV Speaker
A20