LG 43UF640 Series Service Manual page 51

Standard Repair Process Detail Technical Manual
symptom
Content
① Wifi Front
Wifi Rear
Checking order to check motion remote/wifi
Checking order
1.Check Wifi cable condition between Wifi assy & Main board.
2.Check the 3.3V on the terminal 12
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Only for training and service purposes
Error
D. Function error
Remote control operation checking method
②
Established
date
Revised
date
A23/A24
A23/A24
1 GND
2 +3.3V
3 WiFi_RESET
4 WiFi_DM
5 GND
6 WiFi_DP
7 EYE_SDA
8 GND
9 EYE_SCL
③
10 KEY2
11 IR
12 3.3V_STBY
13 LED_R
14 GND
LGE Internal Use Only