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42LE5400, 42LE5700, 42LE5750 - LG TV Service Manual (repair manual). Page 11

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              - 11 -                                                         
 
   
 
 
ADJUSTMENT INSTRUCTION 
 
 
1.  Software version up. 
 
1.1.  USB DOWNLOAD 
 
1) Press “Menu” Key and select “OK” key after focusing “SETUP” item 
   
 
 
2) Press Numeric Keys like following sequences : 1 – 2 – 4 – 7 – 5 
 
3) Factory menu will be displayed 
   
 
 
4) press “OK” key after focusing “
USB Check
” item, then “USB Check” item value will be   
changed to “
TRUE
” 
   
 
 
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