LG OLED77G3 Series - Page 73

Standard Repair Process Detail Technical Manual
A24
Established
date
Revised
date
Error
symptom
Content
TV
D. Function error
Standard Repair Process Detail Technical Manual
Motion Remote operation checking method
Established
date
Revised
date
Error
symptom
Content
TV
A23
D. Function error
Standard Repair Process Detail Technical Manual
D. Function error
Error symptom
Content A17
Checking order to check motion sensor
① IR PCBA Front
③
Pin Pin name
1 +3.5V_WIFI
2 GND
3 COMBO_RESET
4 BT_WAKEUP_HOST
5 WOL/WIFI_POWER_ON
6 GND
7 +3.5V_WIFI
8 WIFI_DP
9 WIFI_SUSPEND/RESUME
10 WIFI_DM
11
GND
12 +3.5V_WIFI
13
NC
14 GND
15 LED_R
16 GND
17 IR
18 +3.5V_ST
19 GND
20 KEY2
21 EYE_SCL
22 WOV_PDM0_DATAIN
23 EYE_SDA
24 WOV_PDM_CLKOUT
Check Motion Sensor Operation
② IR PCBA Rear
Motion Sensor
IR PCBA
Connector
A17
Established
date
Revised
date
Checking order
1. Check the cable connection between the main board and the IR PCBA.
2. Check Terminal no.18 Voltage => 3.5V
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