60LN57XX, 60LN5758, 60LN575S, 60LN575V, 60LN578V (CHASSIS:LD33B) - LG TV Service Manual (repair manual). Page 80

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Standard Repair Process Detail Technical Manual 
LCD TV connection diagram (1) 
A. Video error _Vertical/Horizontal bar, residual 
image, light spot 
 
As the part connecting to the external input, check the screen condition by signal 
 A8 
Established  
date  
Revised  
date  
Error 
symptom 
Content 
LCD  TV 
<ALL MODELS> 
2012. 12 .06 
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