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dell N4030 (PU4603 5v & 3.3v reg.) getting hot!

Troubleshooting Laptops & Notebooks - Badcaps Forums - www.badcaps.net
hello everyone,

i got dell N4030 that have an power issue. I've notice the PU4603 5v & 3.3v regulator is getting hot.

i check mosfets around and caps no short.

i have tried to replaced it but it stilll getting hot too. so i guess something else making it hot. but i need ur help guys.

here i write down volts reading of PU4603 RT8205B

1. 0v

2. 0v

3. 1.9v

4. 1.9v

5. 0v

6. 0v

7. .4v

8. 3.4v

9. 04.6v

10. .4v

11. .4v

12. 0v

13. 07.9v

14. 3.2v

15. 0v

16. 19v

17. 04.9v

18. 0v

19. 0v

20. 0v

21. 0v

22. 04.5v

23. 04.5v

24. 0v

tnx in advance..
Date: Apr 21, 2017   


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