LG 49LF620V Service Manual page 81

Standard Repair Process Detail Technical Manual
Error symptom
Content
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Only for training and service purposes
A. Video error_No video/Normal audio
Check White Balance value
Entry method
1. Press the ADJ button on the remote controller for adjustment.
2. Enter into White Balance of item 9.
3. After recording the R, G, B (GAIN, Cut) value of Color Temp (Cool/Medium/Warm),
re-enter the value after replacing the MAIN BOARD.
Established
date
Revised
date
A3
LGE Internal Use Only