LG 43LF5900 Service Manual page 55

Standard Repair Process Detail Technical Manual
symptom
Content
<ALL MODELS>
Entry method
1. Press the ADJ button on the remote controller for adjustment.
2. Enter into White Balance of item 10.
3. After recording the R, G, B (GAIN, Cut) value of Color Temp (Cool/Medium/Warm),
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Only for training and service purposes
Error
A. Video error_No video/Normal audio
Check White Balance value
re-enter the value after replacing the MAIN BOARD.
Established
date
Revised
date
A4
LGE Internal Use Only