LG OLED77B3 Series User Manual

Error symptom
Content
Established
date
Revised
date
A14
Standard Repair Process Detail Technical Manual
A14
Checking order
1. Check BT/Wifi cable condition between BT/Wifi assy & Main board.
2. Terminal Pin 1, Pin 6, Pin12, Check 3.5V Power. (No. ③)
③
Pin Pin name
1 3.5V_WIFI
2 WIFI_DM
3 WIFI_DP
4 GND
5 WOL/WIFI_POWER_ON
6 3.5V_WIFI
7 WIFI_SUSPEND/RESUME
8 GND
9 COMBO_RESET
10 BT_WAKEUP_HOST
11 GND
12 3.5V_WIFI
13
N/C
14 N/C
15 N/C
16 EYE_SDA
17 EYE_SCL
18 GND
19 IR
20 LED_R
21 GND
22 +3.5V_ST
23 KEY2
24 WOV_PDM0_DATAIN
25 WOV_PDM_CLKOUT
Motion Remote operation checking method
D. Function error
① Wifi & BT Front
Wifi & BT Rear
②
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LG OLED77B3 Series Specifications

General

Brand	LG
Model	OLED77B3 Series
Category	OLED TV
Language	English