LG 43LF5900 - Page 48

No audio
Screen normal
Check user
menu >
Speaker off
Off
N
Y
Cancel OFF
Check A13V of Power
Board
Normal
voltage
Y
N
Replace Power Board and repair parts
Check Speaker
disconnection
N
Y
Connect Speaker to Main cable
Replace MAIN Board
End
C. Audio error
No audio/ Normal video
☞A24
☞A25
Disconnection
Established
date
Revised date
8/13
Error
symptom
Standard Repair Process
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