LG BD390 Service Manual page 68

When you turn on your BD-P, it will display "Hello" or "Please wait" message continuously on
front panel, and it will not boot-up normally.
5-5. IC402
5-5-1. Solution
Replace IC402 on main board.
5-5-2. How to troubleshoot (Countermeasure)
1) Please check the IC402 on your eyes.
2) Check the /CE signal of #9 pin of IC402. (R488)
First, If the /CE signal is not operating normally during booting, try to change IC402.
3) After changing it, if the set is still not booting,
check MPEG IC(IC201) or DDR IC. Refer to items 5-7 & 5-6.
5-5-3. Service hint (Any picture / Remark)
COMPONENT REPAIR GUIDE
< Main board top view >
EBI_nCS0
3-55