LG OLED55BX L Series Service Manual page 39

Contents of Standard Repair Process Detail Technical Manual
No. Error symptom
10
B. Power error_ No power
11
B. Power error_Off when on, off
12
while viewing
13
C. Audio error_ No audio/Normal video
14
15
D. Function error
16
17
18
E. Etc
19
Content
Check front display LED
Check power input Voltage & ST-BY 3.5V
POWER OFF MODE checking method
Checking method in menu when there is no
audio
Voltage and speaker checking method when
there is no audio
Remote control operation checking method
Motion Remote operation checking method
Wifi operation checking method
How to use the Service remote control
Check items after Main B/D replacement
Continued from previous page
Page Remarks
A8
A9
A10
A11
A12
A13
A14
A14
A15-A17
A18
Copyright © 2020 LG Electronics. Inc. All rights reserved.
Only for training and service purposes.