LG 42LN5700 - Contents of LCD TV Standard Repair Process

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