LG 75NANO90UNA Service Manual page 73

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.
2.Check the 3.5V on the terminal 1 pin
Error
D. Function error
Magic Remote/WiFi operation checking method
②
Established
date
Revised
date
A15
Pin Pin name
1 +3.5V_WIFI
2 WIFI_DM
3 WIFI_DP
4
5 WOL/WIFI_PWR_ON
6 +3.5V_WIFI
7
8
9 COMBO_RESET_JACK
10 BT_WAKE_UP_HOST
11
12 +3.5V_WIFI
13 No Connection
14 No Connection
15 No Connection
③
16 EYE_SDA
17 EYE_SCL
18
19
20
21
22 +3.5V_ST
23
24 MIC_DATA
25 MIC_CLK
Copyright © 2020 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
A15
GND
RESET
GND
GND
GND
IR
LED_R
GND
KEY2