LG 49UB8500-UA Service Manual page 107

Standard Repair Process Detail Technical Manual
LCD TV
<ALL MODELS>
Checking method:
1. Check the signal strength or check whether the screen is normal when the external device is connected.
2. After measuring each voltage from power supply, finally replace the MAIN BOARD.
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Only for training and service purposes
Error
A. Video error_Video error, video lag/stop
symptom
TUNER checking part TUNER checking part
Content Content
g g p pp y, y p
A5
Established
2014.02.14
date
Revised
date
A5 A5
LGE Internal Use Only