LG OLED55B6 Series Service Manual page 42

Contents of Standard Repair Process
No. Error symptom (High category)
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A. Video error
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B. Power error
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C. Audio error
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D. Function error
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14 E. Noise
15 F. Exterior error
First of all, Check whether there is SVC Bulletin in GSCS 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
MR15R operating checking
Wifi operating checking
External device recognition error
Circuit noise, mechanical noise
Exterior defect
Page Remarks
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LGE Internal Use Only