Read LG 55GA7900-UA (CHASSIS:LA37G) Service Manual online
Checking method
1. Press the menu button on the remote controller
2. Select the Settings -> Picture & Sound -> Sound adjustment -> Sound setting
3. Select TV Speaker from Off to On
Standard Repair Process Detail Technical Manual
Checking method in menu when there is no audio
C. Audio error_No audio/Normal video
A24
Established
date
Revised
date
Error
symptom
Content
LCD TV
A24
2011. 12 .14
<GA64/7900>
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