No audio
Screen normal
Check user
menu item
Speaker off
Off
N
Y
Cancel OFF and describe
Check audio
B+24V of Power
Board
Normal
voltage
N
Y
Replace Power
Board and
repair parts
Check
Speaker
disconnection
N
Y
Replace Speaker
Replace MAIN Board
End
Established
date
Electronics 6-3
Standard Repair Process
Revised date
2008. 2 . 1
LCD TV
C. Audio error
No audio/Normal video
8/13
☞
165
☞
166
Disconnection
Error
symptom
Use Sound
Test Menu
Normal
Sound
Y
N
Check Input Signal
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Only for training and service purposes
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Summary of Contents for 47LV370S-ZB
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