LG 42LB55 series - Audio Error;No Audio;Normal Video; Checking Method in Menu When There Is no Audio

Checking order
1. Press the MENU button on the remote controller
2. Select the AUDIO function of the Menu
3. Select TV Speaker Check
Standard Repair Process Detail Technical Manual
Checking method in menu when there is no audio
C. Audio error_No audio/Normal video
<ALL MODELS>
A15
Established
date
Revised
date
Error
symptom
Content
LCD TV
2012. 01 .14
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