Table of Contents
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Contents of LCD TV Standard Repair Process Detail Technical Manual
No.
Error symptom
1
2
A. Video error_ No video/Normal audio
3
4
6
A. Video error_ No video/Video lag/stop
7
9
11
A. Video error_Color error
12
13
A. Video error_Vertical/Horizontal bar,
14
residual image, light spot
15
16
17
<Appendix>
18
Defected Type caused by Main/ Inverter/
Module
19
20
Copyright © 2014 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Content
Check LCD back light with naked eye
LED driver B+ 24V measuring method
Check White Balance value
Power Board voltage measuring method
TUNER input signal strength checking method
LCD-TV Version checking method
LCD TV connection diagram
Check Link Cable (LVDS) reconnection
condition
Adjustment Test pattern - ADJ Key
LCD TV connection diagram
Check Link Cable (LVDS) reconnection
condition
Adjustment Test pattern - ADJ Key
Exchange Main Board or EPI Cable
Exchange Main Board or EPI Cable
Exchange LED driver Board (PSU)
Exchange Module itself (1)
Exchange Module itself (2)
Page
Remarks
A1
A2
A3
A4
A6
A7
A8
A10
A12
A8
A10
A11
A12
A-
1/5
A-
2/5
A-
3/5
A-
4/5
A-
5/5
LGE Internal Use Only
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