LG 42GA6400-UD Service Manual page 115

Standard Repair Process Detail Technical Manual
symptom
LCD TV
Content
<GA64/7900>
Checking order
1, 2. Check Wifi cable condition between Wifi assy & Main board.
3. Check the 3.3V on the terminal 1.
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Only for training and service purposes
Error
D. Function error
Wifi operation checking method
① ②
A29
Established
2011. 12 .14
date
Revised
date
1
③
2
3
4
5
6
7
8
9
10
11
12
A29
P4100
3.5V_WOL
3.3V
WIFI_DM
M_RTS
WIFI_DP
RX
GND
TX
WOL
RESET
GND
CTS
LGE Internal Use Only