LG 55LA86 Series Service Manual page 106

Standard Repair Process
Error
LCD TV
symptom
Check CI CAM status
Check status of CI+ Key in the
Read Y
In-start menu
Information?
N
Check damage of CI slot pin
Or damage of CI CAM
Close
Old version of CI+ 1.2 CAM
 Check SVC Bulletin
G. CI+ Competibility Error
Check defect CI slot pin
Check it's worked CI+ 1.2 or 1.3
Setting  Antenna  CI information
is not worked at the TV that is supported CI+ 1.3
Exterior defect
Y
Is there Check
CAM S/W
CI+ key?
Version
N
Replace
Main B/D
Or
Download
CI+ Key
Established
2012. 12 .06
date
Revised date
N
SVC Check
Wired, Wifi status
Bulletin?
(Cable / sub Assy)
Y
CAM S/W Upgrade
By OTA
N
Normal
Picture?
Y
Close
Replace
Main B/D