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42LN54XX, 42LN540S, 42LN540V, 42LN541V, 42LN542V (CHASSIS:LD31B, LD36B) - LG TV Service Manual (repair manual). Page 64

Read LG 42LN54XX / 42LN540S / 42LN540V / 42LN541V / 42LN542V (CHASSIS:LD31B / LD36B) Service Manual online

Standard Repair Process Detail Technical Manual 
Adjustment Test pattern - ADJ Key 
A. Video error_Color error 
 
You can view 6 types of patterns using the ADJ Key 
 
Checking item : 1. Defective pixel    2. Residual image    3. MODULE error (ADD-BAR,SCAN BAR..) 
                           4.Video error (Classification of MODULE or Main-B/D!) 
 A10 
Established  
date  
Revised  
date  
Error 
symptom 
Content 
LCD  TV 
2013. 01 .09 
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