LG 77EG9700 Service Manual page 136

Standard Repair Process Detail Technical Manual
symptom
OLED TV
Content
<ALL MODELS>
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
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Only for training and service purposes
Error
C. Audio error_No audio/Normal video
Checking method in menu when there is no audio
Established
date
Revised
date
A20
2014.02.05
A20
LGE Internal Use Only