LG 43LJ55 -U Series Service Manual page 27

Standard Repair Process
D. Function error Established
Error
date
symptom
Wifi operating checking
Revised date
12/16
3.Wifi operating error
☞A4
☞A24
Check the
Wi-Fi Mac value
N
Check the Wifi wafer
Normal Replace
N
INSTART menu
is "NG"?
Voltage?
1pin
Main B/D
Y
☞A24 Y
Close
Check & Repair
Wifi cable
connection
☞A4
Wi-Fi Mac value
N
is "NG"?
Close
Y
Change the Wifi
assy
12
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