LG 49LF620V Service Manual page 41

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
Power Board to LED back light Voltage
1. Measure DC Voltage applying to LED backlight from Power Board.
2. Output DC Voltage from Power Board -> supply to LED backlight.
Check Pin contacting statement and connection statement.
Established
date
Revised
date
A2
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