Can anyone identify CP 2139D chip??

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Can anyone identify CP 2139D chip??

Hi all,

does anybody knows what kinda chip this is, it seems that there is no datasheet for it.

We bought e-scooter like this http://yuanerick.en.ecplaza.net/14.jpg ,
and it has x-500 controller (it is written on it on a sticker) and inside
it has chip http://company.dianyuan.com/upload/biz/2007/10/02/1191325553-51145.JPG
like that.

Thing doesn't work, so I am interested to get new one and repair device, but because
I don't know what went wrong I would change few parts like chip and capacitors that
look like they don't work.And if it doesn't help, I could try changing few more parts.

tnx in advance.

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