LG OLED48C1PUB Service Manual page 71

Standard Repair Process Detail Technical Manual
symptom
Content
IR & EYE Sensor
IR
LED
Checking order to check remote control
Checking order
1. Check IR cable condition between IR & Main board.( Check picture number① and ②)
2. Check the Main standby 3.5V on the terminal (③)
3. AS checking the Pre-Amp(IR LED light) , the power is in ON condition, an Analog Tester
needle should move slowly, otherwise, it's defective.
Error
D. Function error
Remote control operation checking method
Eye
①
②
A13
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
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A13
Pin name
+3.5V_WIFI
WIFI_DM
WIFI_DP
GND
WOL/WIFI_PWR_ON
+3.5V_WIFI
RESET
GND
BT_WAKE_UP_DEVICE
BT_WAKE_UP_HOST
GND
No Connection
No Connection
No Connection
No Connection
EYE_SDA
EYE_SCL
GND
IR
LED_R
GND
3.5V
KEY2
NC
GND