3-7
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ONE POINT REPAIR GUIDE
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)
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