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Diagnosing failure of charger

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fixit7:
This phone charger failed and I would like to diagnose why it failed.

It was running quite warm before it failed.

https://www.dropbox.com/s/7d9hztgdfp9znr3/CellPhoneCharger1.JPG?dl=0

https://www.dropbox.com/s/0cmemsca888ttv2/CellPhoneCharger2.JPG?dl=0

https://www.dropbox.com/s/lhomejqgem4wffw/CellPhoneCharger3.JPG?dl=0

The one pic looks like some component melted and spread that yellowish-brown residue.

That yellowish plastic board with components on it....is that a cost saving item?

It looks pretty cheap.

Achu:
I think its a resistor burned due to heating.
SMD components are not that common in regular spare parts stores.you could try online.

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