LG LAS751M - If the Set Doesnt Booting When You Turn on the Set (Led Does Not Turn On)

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ONE POINT REPAIR GUIDE
5. IF THE SET DOESN’T BOOTING WHEN YOU TURN ON THE SET. (LED DOES NOT TURN ON)
5-1. IC302 (NO 3.3 VA)
5-1-1. Solution
Replace IC302 on MAIN board.
5-1-2. How to troubleshoot (Countermeasure)
1) Please, check 3.7 VA of IC302 pin3 (VIN).
2) If 3.7 VA is abnormal, follow the stage 4-1 (IC309).
 If 3.7 VA is OK, please replace IC302.
5-1-3. Service hint (Any picture / Remark)
< MAIN board top view >
IC302
IC302