LG BD390 Service Manual page 70

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.
5-7. IC201
5-7-1. Solution
Replace IC201 on main board.
5-7-2. How to troubleshoot (Countermeasure)
1) Please Check 1.2V of CA723.
Please Check 1.8V of CA714.
Please Check 3.3V of CN701 pin #1.
2) If it doesn't work even only one and IC706,IC704, IC153 are no problem,
IC201(MPEG) must be changed.
3) After changing it, if the set is still NG, check main board. Refer to item 5-8.
5-7-3. Service hint (Any picture / Remark)
COMPONENT REPAIR GUIDE
< Main board top view >
3-57
IC201