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)
IC800
IC800
Содержание NP8340
Страница 8: ...1 7 7 Press Update button 8 Download result display OK if start download ...
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Страница 41: ...3 22 3 MPEG IC501 MT8506 XTAL 27 MHz 6 IC501 MT8506 WE IC501 MT8506 CLK 7 8 6 7 8 ...
Страница 42: ...3 23 MPEG IC501 MT8506 CAS 9 IC501 MT8506 BA0 10 9 10 ...
Страница 54: ...3 46 3 45 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
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