LG 43SM5KD Service Manual

No audio
Screen normal
Check user
menu >
Speaker Out
Off
N
Y
Cancel OFF
Check 13.2V of
Power Board
(Pin no. 7/8
Normal
voltage
Y
N
Replace Power Board and repair parts
Check Speaker
disconnection
N
Y
Replace Speaker
Replace MAIN Board
End
C. Audio error
No audio/ Normal video
☞A13 ☞A14
Disconnection
Established
date
Revised date
6/11
Error
symptom
Standard Repair Process
6
Monitor Signage
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LG 43SM5KD Specifications

General

Brand	LG
Model	43SM5KD
Category	Digital Signage
Language	English