LG BD390 Service Manual page 72

6. NO CONNECTION WHEN YOU TRY TO OPERATE NETWORk
CONENTS (BD390)
When you connect You-tube , BD-live or Netflix, the "no connection " message appears.
6-1. Solution
Replace JK403 on main board.
6-2. How to troubleshoot (Countermeasure)
1) Please check the Ethernet Jack (JK403) on your eye.
2) If there is no soldering problem, replace JK403.
3) After changing it, if the set is still NG, check MPEG IC(IC201). Refer to item 5-7.
6-3. Service hint (Any picture / Remark)
< Main board bottom view >
COMPONENT REPAIR GUIDE
JK403
< Main board top view >
3-59