LG 32LV355T Service Manual page 59

Standard Repair Process
Error
LCD TV
symptom
☞A24
Check user
No audio
menu >
Screen normal
Speaker off
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Only for training and service purposes
C. Audio error
No audio/ Normal video
☞A25
Check audio B+
N
Off 20V or 24V of
Power Board
Y
Cancel OFF Replace Power Board and repair parts
Check
Disconnection
Speaker
disconnection
Y
Replace Speaker
8
Established
2010. 2 .19
date
Revised date
Y
Normal
voltage
N
N
Replace MAIN Board End
8/13
LGE Internal Use Only