Need a diagram for a Ryobi BCL14181H charger to try and identiy

Diode is marked D1 , condenser C3 , IC1 in circuit board

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Is the marking totally unreadable on the top of the IC?

I think you need some schematics on this, but judging from this picture, i think you need to use IPA to clean up those oxidation.

R3 and R4 SMD looks bad, i will change those if i know the values.

Check for the IC if it is shorted too.

update, something interesting based on a search from past,

Why doesn't my charger work?

please read more

It is bad, hard to arrange components for replacement. Solution I found a new

Some of the components seem to be damaged

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