Table of Contents
Advertisement
Contents of Standard Repair Process Detail Technical Manual
No.
Error symptom
9
B. Power error_ No power
10
B. Power error_Off
11
(When on/off, while viewing)
12
C. Audio error_ No audio/Normal
video
13
14
D. Function error
15
16
17
E. Etc
18
19
F. WIFI/RF
Content
Check front display LED(Power Indicator)
Check power input Voltage & ST-BY
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
Magic Remote/WiFi operation checking method
How to use the Service remote control
Check items after Main B/D replacement
Adjustment Test pattern - ADJ Key
How to check WIFI/RF
Continued from previous page
Page
Remarks
A8
A9
A11
A12
A13
A14
A15
A16-A18
A19
A20
A21
Copyright © 2023 LG Electronics. Inc. All rights reserved.
Only for training and service purposes.
Advertisement
Table of Contents
