Table Of Contents; +3.5V_Wifi; Gnd - LG OLED77G2 A Series Service Manual

Standard Repair Process Detail Technical Manual
symptom
Content
① IR & EYE Sensor
Motion
Checking order to check remote control
Checking order
1. Check IR cable condition between IR & Main board.
2. Check the Main standby 3.5V on the terminal.
3. AS checking the IR LED light, the power is ON condition, an Analog Tester needle
should move slowly, otherwise, it's defective.
Error
D. Function error
Remote control operation checking method
IR
Eye
LED
Voice
Recognition
MIC
Established
Revised
②
A13
date
date
Pin
1
2
3
4 BT_WAKEUP_HOST
5 WOL/WIFI_POWER_ON
6
7
8
9 WIFI_SUSPEND/RESUME
10
11
12
13
14
15
16
③
17
18
19
20
21
22 WOV_PDM0_DATAIN
23
24 WOV_PDM_CLKOUT
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Only for training and service purposes.
A13
Pin name
+3.5V_WIFI
GND
COMBO_RESET

GND

+3.5V_WIFI

WIFI_DP
WIFI_DM
GND
+3.5V_WIFI
No Connection
GND
LED_R
GND
IR
+3.5V_ST
GND
KEY2
EYE_SCL
EYE_SDA