2-7
ONE POINT REPAIR GUIDE
6. IF THE SET DOESN’T BOOTING WHEN YOU TURN ON THE SET.
6-1. IC304 (NO D_3.3V)
6-1-1. Solution
Replace IC304 on MAIN board.
6-1-2. How to troubleshoot (Countermeasure)
1) Please, check D_3.3V of IC304 pin6 (VOUT).
2) If D_3.3V is abnormal, follow the stage 4-1 (IC309).
3) If 3.7 VA is OK, please check R326.
If it is not high state, follow the stage 9-1 (IC100).
6-1-3. Service hint (Any picture / Remark)
< MAIN board top view >
IC304
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