No Booting When You Turn The Unit On, No Message Or "Hello" On Front Panel - LG BD530 Service Manual

ONE POINT REPAIR INSTRUCTION
3. NO BOOTING WHEN YOU TURN THE UNIT ON, NO MESSAGE OR
"HELLO" ON FRONT PANEL
When you turn on your set, it will blank / no message or hello front panel, and it will
not boot-up.
3-1. IC203 (No 3.3 VA)
3-1-1. Solution
Replace IC203 on main board.
3-1-2. How to troubleshoot (Countermeasure)
1) Please check 5.1 VA of IC203 pin2 (VIN).
2) If 5.1 VA is abnormal, follow the stage 2-1 case1 at the previous page.
3) If 5.1 VA is OK, but 3.3 VA is abnormal at the IC203 pin1(VOUT), replace IC203.
3-1-3. Service hint (Any picture / Remark)
< Main board bottom view >
3-32