LG OLED55B9PTA Service Manual page 70

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 19
Error
D. Function error
Motion Remote operation checking method
②
A14
Established
date
Revised
date
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
③
19
20
21
22
23
24
25
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Only for training and service purposes
A14
Pin name
LED_R
GND
IR
3.5V_ST
GND
GND
EYE_SCL
KEY2
EYE_SDA
KEY1
n.c
GND
3.5V_WIFI
GND
COMBO_RESET_JA
CK
BT_WAKEUP_HOST
WOL/WIFI_POWER_
ON
GND
3.5V_WIFI
WIFI_DP
WIFI_SUSPEND/RE
SUME_JACK
WIFI_DM
GND
3.5V_WiIFI
GND