LG 60LN57 Series Service Manual page 73

Standard Repair Process
Error
LCD TV
symptom
Check Network status
Check Network connection
Case1 WiFi .
Normal Y
- Check AP status
Signal?
Case2 Wired
- Check ethernet Port
N
Check connection
with AP or internet
(WiFi = AP)
(Wired = ethernet
port)
Close
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Only for training and service purposes
G. Network Error
Check Wired ethernet cable connection
Check whether AP has a probelm or not.
Setting  Network  Networ Status
Try to new network connection
(match with AP and ether setting)
Exterior defect
☞ A7
Y
Normal Check
S/W Version
setting?
N
N
Normal
Picture?
Y
Close
33 / 88
Established
2012. 12 .06
date
Revised date
N
SVC Check
Wired, Wifi status
Bulletin?
(Cable / sub Assy)
Y
S/W Upgrade
N
Normal
Picture?
Y
Close
Replace
Main B/D
LGE Internal Use Only