LG 32SE3B-BE Service Manual page 45

Standard Repair Process
Error
Signage Monitor
symptom
No audio
Screen normal
Copyright ⓒ 2015 LG Electronics. Inc. All right reserved.
Only for training and service purposes
C. Audio error
No audio/ Normal video
☞A24
Check user
menu >
Off
Speaker Out
Y
Cancel OFF
Check Speaker
disconnection
☞A25
Check 13.2V of
N
Power Board
(Pin no. 7/8
Replace Power Board and repair parts
N
Disconnection
Y
Replace Speaker
16
Established
2014.06.10
date
Revised date
Y
Normal
voltage
N
Replace MAIN Board End
8/13
LGE Internal Use Only