LG 49LJ55 Series - WiFi Operation Verification

Standard Repair Process Detail Technical Manual
Wifi operation checking method
D. Function error
A23
Established
date
Revised
date
Error
symptom
Content
A23
②
③
Checking order
1.Check IR/Wifi cable condition between Wifi assy & Main board.
2.Check the 3.5V on the terminal
Checking order to check WiFi
① Wifi Assy Front
② Wifi Assy Rear
WiFi AC only Model
P4001
1 +3.4V_WIFI
2 WIFI_DM
3 WIFI_DP
4 GND
5 WOL/WIFI_POWER_ON
6 +3.4V_WIFI
7 NC
8 GND
9 NC
10 NC
11 GND
12 GND
13 NC
14 NC
15 NC
16 I2C_SDA_EYE
17 I2C_SCL_EYE
18 GND
19 IR
20 LED_R
21 GND
22 +3.4V_ST
23 KEY2
24 KEY1
25 GND
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