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LG 42LX320C Service Manual page 46

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Contents of LCD TV Standard Repair Process
No.
Error symptom (High category)
1
2
3
A. Video error
4
5
6
B. Power error
7
8
C. Audio error
9
10
D. Function error
11
12
E. Noise
13
F. Exterior error
* First of all, Check whether there is SVC Bulletin in GCSC System for these model.
Copyright
2015 LG Electronics Inc. All rights reserved.
Only for training and service purposes
Error symptom (Mid category)
No video/Normal audio
No video/No audio
Tuning fail, Picture broken/ Freezing
Color error
Vertical/Horizontal bar, residual image, light
spot, external device color error
No power
Off when on, off while viewing, power auto
on/off
No audio/Normal video
Wrecked audio/discontinuation/noise
Remote control & Local switch checking
External device recognition error
Circuit noise, mechanical noise
Exterior defect
Page
Remarks
1
2
3, 4
5
6
7
8
9
10
11
12
13
14
LGE Internal Use Only

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