LG 50UL3G Service Manual page 53

Standard Repair Process Detail Technical Manual
symptom
Monitor Signage
Content
<ALL MODELS>
① Wifi & BT Front
Checking order
1.Check BT/Wifi cable condition between BT/Wifi assy & Main board.
2.Check the 3.5V on the terminal 22
Error
D. Function error_ No response in remote control,
key error
Remote control operation checking method
②
A18
Established
date
Revised
date
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
③
15
16
17
18
19
20
21
22
23
24
25
Copyright ⓒ 2020 LG Electronics Inc. All rights reserved.
Only training and service purposes.
A18
Pin name
+3.5V_WIFI
WIFI_DM_JACK
WIFI_DP_JACK
GND
WOL/WIFI_POWER_ON_JACK
+3.5V_WIFI
WIFI_SUSPEND/RESUME_JACK
GND
COMBO_RESET_JACK
BT_WAKEUP_HOST_JACK
GND
NC
NC
NC
EYE_SDA_JACK
EYE_SCL_JACK
GND
IR_JACK
LED_R_JACK
GND
+3.5V_ST
KEY2_JACK
KEY1_JACK
GND