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LG 24LJ480U Service Manual page 29

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Contents of Standard Repair Process Detail Technical Manual
* First of all, Check whether there is SVC Bulletin in GSCS System for these model.
No.
Error symptom
1
2
A. Video error_ No video/Normal audio
3
4
5
A. Video error_ No video/Video lag/stop
6
7
8
A. Video error_Color error
9
10
11
A. Video error_Vertical/Horizontal bar,
12
residual image, light spot
13
14
15
<Appendix>
16
Defected Type caused by T-Con/ Inverter/
Module
17
18
Content
Check LCD back light with naked eye
LED driver B+ measuring method
Check White Balance value
Power voltage measuring method
TUNER input signal strength checking method
Version checking method
Connection diagram
Check Link Cable (LVDS) reconnection condition
Adjustment Test pattern - ADJ Key
Connection diagram
Check Link Cable reconnection condition
Adjustment Test pattern - ADJ Key
Exchange T-Con Board (1)
Exchange T-Con Board (2)
Exchange LED driver Board (PSU)
Exchange Module itself (1)
Exchange Module itself (2)
Page
Remarks
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A8
A8
A9
A10
A-1/5
A-2/5
A-3/5
A-4/5
A-5/5
Copyright © 2017 LG Electronics Inc. All rights reserved.
Only training and service purposes.

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