LG 50LN54 Series Service Manual page 57

Standard Repair Process Detail Technical Manual
symptom
LCD TV
Content
<ALL MODELS>
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
Error
A. Video error_No video/Normal audio
Inverter B+ 24V measuring method
Measure DC
93.2~118.5V
Output 93.2~118.5V from Power Board -> supply to Module.
Check Pin contacting statement and connection statement.
applying to Module from Power Board.
Established
2013. 01 .09
date
Revised
date
A2
LGE Internal Use Only