LG 79UF9500 Service Manual page 107

Standard Repair Process Detail Technical Manual
Error symptom
Content
<79UF77/95>
① Wifi & BT Front
Wifi & BT Rear
Checking order to check motion remote/wifi
Checking order
1.Check BT/Wifi cable condition between BT/Wifi assy & Main board.
2.Check the 3.5V on the terminal 16
D. Function error
Remote controller operation checking method
②
A23/A24
Established
date
Revised
date
1 GND
2 +3.5V WOL
3 BT_RESET
4 USB_DM
5 NC
6 USB_DP
7 WOL
8 GND
9 SDA
10 GND
11 SCL
12 KEY1
13 GND
14 KEY2
③
15 IR
16 +3.5V_ST
17 LED_R
18 GND
A22