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Standard Repair Process Detail Technical Manual
Standard Repair Process Detail Technical Manual
Standard Repair Process Detail Technical Manual
Error symptom
symptom
symptom
TV
TV
Content
Content
Content
① IR PCBA Front
② IR PCBA Rear
Checking order to check motion sensor
Checking order
1. Check the cable connection between the main board and the IR PCBA.
2. Check Terminal no.18 Voltage => 3.5V
Error
Error
D. Function error
D. Function error
Check Motion Sensor Operation
Motion Remote operation checking method
Motion Sensor
IR PCBA
Connector
D. Function error
A17
Established
Established
Established
date
date
date
Revised
Revised
Revised
date
date
date
Pin
③
1
2
3
4
5
6
7
8
9
WIFI_SUSPEND/RESUME
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Copyright © 2023 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
A23
A24
A17
Pin name
+3.5V_WIFI
GND
COMBO_RESET
BT_WAKEUP_HOST
WOL/WIFI_POWER_ON
GND
+3.5V_WIFI
WIFI_DP
WIFI_DM
GND
+3.5V_WIFI
NC
GND
LED_R
GND
IR
+3.5V_ST
GND
KEY2
EYE_SCL
WOV_PDM0_DATAIN
EYE_SDA
WOV_PDM_CLKOUT
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