LG 55LM960Y Service Manual page 101

Standard Repair Process Detail Technical Manual
symptom
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.
Copyright © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Error
A. Video error_Video error, video lag/stop
TUNER checking part
Content
Established
2010. 12 .14
date
Revised
date
A9
LGE Internal Use Only