LG 65SK8000PUB Service Manual page 73

Standard Repair Process Detail Technical Manual Standard Repair Process Detail Technical Manual
Error symptom
symptom
TV
Content
Content
① IR & EYE Sensor
IR
LED
Checking order to check remote control
Checking order
1, 2. Check IR cable condition between IR & Main board.
3. Check the st-by 3.5V on the terminal 4
Error
D. Function error
C. Audio error_No audio/Normal video
Voltage and speaker checking method
Remote control operation checking method
when there is no audio
③
Eye
Established
date
Revised
date
②
A14
Pin Pin name
1 +3.5V_WIFI
2 WIFI_DM
3 WIFI_DP
4
5 WOL/WIFI_PWR_ON
6 +3.5V_WIFI
7
8
9 BT_WAKE_UP_DEVICE
10 BT_WAKE_UP_HOST
11
12 No Connection
13 No Connection
14 No Connection
15 No Connection
16 EYE_SDA
17 EYE_SCL
18
19
20
21
22
23
24
25
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A14 A21
GND
RESET
GND
GND
GND
IR
LED_R
GND
3.5V
KEY2
KEY1
GND