LG 55UB820T Service Manual page 64

Standard Repair Process
D. Function error Established
2013.01.31
Error
date
LCD TV
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
Y
☞A24
Close
Check & Repair
Wifi cable
connection
☞A4
Wi-Fi Mac value
N
is "NG"?
Close
Y
Change the Wifi
assy
12