LG 43LJ55 -U Series Service Manual page 32

Contents of Standard Repair Process Detail Technical Manual
No. Error symptom
16
B. Power error_ No power
17
B. Power error_Off when on, off
18
while viewing
19
C. Audio error_ No audio/Normal
video
20
21
D. Function error
22
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Content
Check front display LED
Check power input Voltage & ST-BY 3.5V
POWER OFF MODE checking method
Checking method in menu when there is
no audio
Voltage and speaker checking method
when there is no audio
Remote control operation checking
method
Wifi operation checking method
Continued from previous page
Page Remarks
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LGE Internal Use Only