Where can I buy replacement chips for my iPad logic board

I have taken apart my iPad and found two chips missing I can't find there names on the internet anyone know a place on where I can by replacement chips btw the chips are located near the power ic.

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Louis Greenleaf, there is no way to determine what components you are looking for, unless we can see where they are. Post a couple of images with your question Adding images to an existing question

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The two chips missing are L8104 and C8104

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