If Not Booting When You Turn On The Set (Ic800) - LG NP8340BM0 Service Manual

6. IF NOT BOOTING WHEN YOU TURN ON THE SET.
6-1. IC800 (NO 3.3 V)
6-1-1. Solution
Replace IC800 on MAIN board.
6-1-2. How to troubleshoot (Countermeasure)
1) Please Check 19 VA of IC800 Pin2 (VIN)
2) If 19 VA is abnormal, follow the stage 1-1 at the previous page.
3) If 19 VA is OK, but 3.3 V is abnormal at the IC800 (Pin7) replace IC800.
4) When you followed above step but it doesn't work, check the around parts (L800, L801, L811, R829,
R830, R841, R834, R838, R839, R806).
6-1-3. Service hint (Any picture / Remark)
ONE POINT REPAIR GUIDE
IC800 IC800
< Main board top view >
3-7