Read LG 55GA7900-UA (CHASSIS:LA37G) Service Manual online
Checking order
1, 2. Check Wifi cable condition between Wifi assy & Main board.
3. Check the 3.3V on the terminal 1.
3. Check the 3.3V on the terminal 1.
Standard Repair Process Detail Technical Manual
Wifi operation checking method
A29
Established
date
Revised
date
Error
symptom
Content
LCD TV
A29
2011. 12 .14
D. Function error
P4100
1
3.5V_WOL
2
3.3V
3
WIFI_DM
4
M_RTS
5
WIFI_DP
6
RX
7
GND
8
TX
9
WOL
10
RESET
11
GND
12
CTS
①
②
③
<GA64/7900>
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