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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.
Copyright ⓒ 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Error
A. Video error_Video error, video lag/stop
symptom
TUNER checking part
Content
Established
date
Revised
date
A9
2010. 12 .14
A9
ⓒ LG Electronics. Inc.2009
LGE Internal Use Only
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