U2 replaced , battery drain cured but now no charge .

Hi , i changed the u2 on my 5 s which solved the battery drain but now its not charging .

It was charging before i changed the u2 .

Did i do something wrong ?

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3 Soluções

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check Q2 5v charging voltage. (U2) the TriStar is not a charging IC it switches power between ppvcc main and ppvcc batt

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100% your issue

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Thank you , i scraped the under fill off the Q2 chip and it seemed to be cracked in half ! , replaced it and all working again ..

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Your welcome

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If your phone is not charging, then U2 is probably not installed correctly. Perhaps some of the balls are shorted along the E75 lines which communicate with the Lightning cable.

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Hi , I will try again with another chip .

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Hi , I have put another chip on but still have the same symptoms , and no i tunes connection .

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Hello,

could you pls give me a guide to change that u2.

I have the same problem with my battery. I have a iPhone 6. But i do not find any instrcution.

thx a lot.

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The original question from Mark has been answered and problem looks resolved. Your issue on an iPhone 6 may be similar or totally different. I would suggest beginning your own independent question listing your device and symptoms to begin a new line of answers directed towards your issue(s). I'll keep an eye out for it and try to help you :)

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markparnell1972 será eternamente grato(a).
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