No. Error symptom Content Page Remarks
10
B. Power error_ No power
Check Power Indicator A9
11 Check power input Voltage & ST-BY 3.5V A10
12
B. Power error_Off when on, off
while viewing
POWER OFF MODE checking method A12
13
C. Audio error_ No audio/Normal
video
Checking method in menu when there is no audio A13
14
Voltage and speaker checking method when there
is no audio
A14
15
D. Function error
Remote control operation checking method A15
16 Wi-Fi/Motion Remote operation checking method A16
17
E. Etc
How to use the Service remote control A17-A19
18 Check items after Main B/D replacement A20
19
How to use JIG
(Power B/D Diagnostic Smart Jig Multi Gender)
A21
Continued from previous page
Contents of Standard Repair Process Detail Technical Manual
Copyright © 2019 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
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