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LG OLED55B9PTA User Manual

LG OLED55B9PTA
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Standard Repair Process Detail Technical Manual
Remote control operation checking method
D. Function error
A13
Established
date
Revised
date
Error
symptom
Content
A13
1. Check IR cable condition between IR & Main board.( Check picture number and ).
2. Check the standby 3.5V on the terminal 4 pin ().
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.
IR & EYE Sensor
Eye
LED
IR
Checking order to check remote control
C8 Series
E8 Series
Eye
LED
IR
Pin Pin name
1 LED_R
2 GND
3 IR
4 3.5V_ST
5 GND
6 GND
7 EYE_SCL
8 KEY2
9 EYE_SDA
10 KEY1
11 n.c
12 GND
13 3.5V_WIFI
14 GND
15
COMBO_RESET_JA
CK
16 BT_WAKEUP_HOST
17
WOL/WIFI_POWER_
ON
18 GND
19 3.5V_WIFI
20 WIFI_DP
21
WIFI_SUSPEND/RE
SUME_JACK
22 WIFI_DM
23 GND
24 3.5V_WiIFI
25 GND
Copyright © 2019 LG Electronics. Inc. All rights reserved.
Only for training and service purposes

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LG OLED55B9PTA Specifications

General IconGeneral
BrandLG
ModelOLED55B9PTA
CategoryOLED TV
LanguageEnglish

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