Read LG 55EM970V-ZA (CHASSIS:ED23E) Service Manual online
Checking order
1, 2. Check Wifi cable condition between Wifi assy & Main board.
3. Check the 5V on the terminal 1.
Standard Repair Process Detail Technical Manual
Wifi operation checking method
A29
Established
date
Revised
date
Error
symptom
Content
OLED TV
A29
P4301
1
VDD
2
DM
3
DP
4
GND
②
③
2013. 01 .26
①
<55EM970 V>
D. Function error