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No audio
Screen normal
Screen normal
Check user
menu >
Speaker off
menu >
Speaker off
Off
N
Y
Cancel OFF
Check audio B+
24V of Power
Board
24V of Power
Board
Normal
voltage
voltage
Y
N
Replace Power Board and repair parts
Check
Speaker
disconnection
Speaker
disconnection
N
Y
Replace Speaker
Replace MAIN Board
End
C. Audio error
No audio/ Normal video
☞A24
☞A25
Disconnection
Established
date
Revised date
9/14
LCD TV
Error
symptom
Standard Repair Process
9
2010. 12 .14
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