C. Audio error
No audio/ Normal video
Established
date
Revised date
8/13
LCD TV
Error
symptom
Standard Repair Process
2013. 11 .30
2014. 02 .04
No audio
Screen normal
Check user
menu >
Speaker off
Off
N
Y
Check audio B+ 24V
of Power Board
Normal
voltage
Y
N
☞
A24
☞
A25
Cancel OFF
Replace Power Board and repair parts
Check Speaker
disconnection
N
Y
Connect Speaker to Main cable
Replace MAIN Board
End
Disconnection
Connect Speaker to Main cable
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Summary of Contents for 50LB6500
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