LG OLED55B9PTA Service Manual page 46

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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
16
D. Function error
17
18
19
E. Etc
20
21
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
Adjustment Test pattern
Update Download Guide
Continued from previous page
Page
Remarks
A8
A9
A10
A11
A12
A13
A14
A14
A15-A17
A18
A19
A20
Copyright © 2019 LG Electronics. Inc. All rights reserved.
Only for training and service purposes

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