LG 65UM6900PUA Service Manual page 63

Standard Repair Process Detail Technical Manual
symptom
Content
<ALL MODELS>
Checking method
1. Press the Setting button on the remote control
2. Select the Sound function of the Menu
3. Select the Sound Out
4. Select TV Speaker
Error
C. Audio error_No audio/Normal video
Checking method in menu when there is no audio
Established
date
Revised
date
A21
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A21