Contents Of Lcd Tv Standard Repair Process - LG 42LN5700 Service Manual

Contents of LCD TV Standard Repair Process

No. Error symptom (High category)
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2
3
A. Video error
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5
6
B. Power error
7
8
C. Audio error
9
10
D. Function error
11
12 E. Noise
13 F. Exterior error
14 APPENDIX
First of all, Check whether there is SVC Bulletin in GCSC System for these model.
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Only for training and service purposes
Error symptom (Mid category)
No video/Normal audio
No video/No audio
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
Power Off History
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Page Remarks
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LGE Internal Use Only