Read LG 42LW5400 (CHASSIS:LB01U) Service Manual online
Checking method
1. Press the MENU button on the remote controller
2. Select the AUDIO function of the Menu
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
<ALL MODELS>
A24
Established
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Revised
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Error
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Content
LCD TV
A24