LG 65UP7700PUB Service Manual page 78

Standard Repair Process Detail Technical Manual
symptom
Content
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.( Check ① and ②)
2. Check the 3.5V on the terminal 22. (③)
Error
D. Function error
Remote control operation checking method
< Below 75inch_UP75/71 >
②
< Below 75inch_ NANO7*,UP8*,UP77 >
A23
Established
date
Revised
date
Pin
1
2
3
4
5
③
6
7 WIFI_Suspend/Resume
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
* Depending on models
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Only for training and service purposes.
A23
Pin name
VCC
USB_DM
USB_DP
GND
WOL/WIFI_ON
VCC
GND
Combo_Reset
BT_WAKEUP_HOST
GND
VCC
EYE_SDA
EYE_SCL
GND
IR
LED_R
GND
VCC
KEY2
MIC_DATA
MIC_CLK