LG Electronics 42LS679C-ZC Flat Panel Television User Manual


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