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Appleの2世代目のiPad AirでWi-Fiモデルのみを対象をしています。モデル番号はA1566です。

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iPad Charges For A Second Then Stops Continuously

Hello I have iPad A1566 air 2 came from a customer with not turning on. When I tried it I saw that my power suply goes up to 2.40 amp for a second and goes back to 0.00 again. Changed the U2 but still same. Can it be the carging port? But when I plugged the battery out it goes up to 0.10 and back to 0 continuously too.

I have measured the voltage of 5V it is pulsing between 5.1V to 5.2 V continuously too. But I guessed thats not normal too. So thats why I have been suspicious of charging port.

And when I trigger the power button amp goes up to around 0.167 and goes back to 0.00 always too.

Any ideas will be perfect. Thank you

Emre

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hello there,

this is the textbook behavior of damage by introducing incorrect polarity. If you haven't made a mistake yourself, someone has already tried to fix it. As you can see, it failed. You will have to replace the SMC if the diagnostics confirm it. Read about the N-type and P-type mosfets, this should be enough guidance to successfully proceed with this repair.

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Hello @tojaert ,

thank you for your answer but is there any possibility to talk a bit easier words as I am normally Turkish and sometimes it gets hard for me to understand what you mean

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bu, yanlış kutuplama getirerek hasarın ders kitabı davranışıdır. Kendiniz bir hata yapmadıysanız, birisi zaten düzeltmeye çalışmıştır. Gördüğünüz gibi başarısız oldu. Tanılama bunu onaylarsa, SMC'yi değiştirmeniz gerekecektir. N-tipi ve P-tipi mosfetler hakkında bilgi edinin, bu onarıma başarılı bir şekilde devam etmek için yeterli rehberlik olmalıdır.

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I think SMC is the big power is that right?

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Aydoğan Emre GÖKTEPE さん、ありがとうございました！
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