2-6
ONE POINT REPAIR GUIDE
5. IF THE SET DOESN’T BOOTING WHEN YOU TURN ON THE SET.
5-1. IC302 (NO D_3.3V)
5-1-1. Solution
Replace IC302 on MAIN board.
5-1-2. How to troubleshoot (Countermeasure)
1) Please, check D_3.3V of IC302 pin6 (VOUT).
2) If D_3.3V is abnormal, follow the stage 4-1 (IC309).
3) If 3.4 VA is OK, please check R326.
If it is not high state, follow the stage 8-1 (IC100).
5-1-3. Service hint (Any picture / Remark)
< MAIN board top view >
IC302
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