replacement 7" a13 tablet main board

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Hi,

Does anyone know of a Shenzhen or similar site of where I can purchase a cheapo replacement 7" a13 tablet main board only, from.

My daughter's el cheapo was zapped due to them using the wrong power supply, so I was looking to see if I could transplant a new one?

This is what has happened


This is how I believe it should look(got this photo online elsewhere)


Thanks...

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Here is another photo I found.

Can someone tell this computer novice what the actual part is, or what to look for? Thanks

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OK...seems no knowledge here.

Can anyone suggest a particular forum on the web that could possibly assist me?

Thanks..

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Thought I would ask one more time again, as this site is so highly regarded when reading other android sites.

I have googled/searched for lots of hours, all to no avail, and I know you would all probably ask "Why bother?

Although I tend to agree, it just seems a waste to throw away a kid's tablet for the sake of a few lousy resisters/caps/or whatever.

It looks like there is a wealth of knowledge available for anyone willing to play with the software/firmware of android devices, but little on actual bits n pieces that make them up, or how to increase ram etc, or fix things in them?

Ho hum I suppose...

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Bump...would there be any electronics sites that would know?