Apple iPhone 5s는 2013년 9월 10일에 발표되었습니다. 수리는 이전 모델과 유사하며 스크류 드라이버 및 비집는 도구가 필요합니다. GSM 또는 CDMA / 16, 32, 또는 64GB / 은색, 금색 및 스페이스 그레이.

3839 질문 전체 보기

Trying to repair a 5s - Running into issues with diagnostics

Hello, I am trying to repair a 5s for a customer.

The phone does not turn on They have been to an iphone repair facility previously who mentioned that it needed a u2 replacement

My diagnostics attempt.

* The battery was dead,

* I charged the battery and connected the 4 terminals as shown in the picture and the battery

* I pressed the power button for about 30 seconds

* The phone did not turn on and became very hot and 2 generic locations on the board

Is there any other way I can diagnose the board or make the iphone turn on ?

Thanks

Image Link http://i.imgur.com/l0D97dQ.jpg

해당 질문 답변하기 저도 같은 문제를 겪고 있습니다

좋은 질문 입니까?

점수 1
의견 추가하세요

US$100 이상 또는 Pro Tech Toolkit을 포함한 모든 주문의 배송은 무료입니다!

상점 둘러보기

1개의 답변

가장 유용한 답변

What you're describing is a U2 (Tristar) chip issue. If you replaced the charging port and put in a good battery and the phone doesn't turn on or charge then the U2 chip needs to be replaced which is underneath the shielding were it gets very hot that you mentioned in your picture. It requires a skilled person that knows microsoldering to replace the chip. I hope this helps you answer your question.

해당 답변은 도움이 되었습니까?

점수 2

댓글:

I read somewhere that the bad U2 prevents the phone from charging.

Will it also prevent the phone from turning on when connected to a charged battery ?

의 답변

Yes. I just got a iPhone 6 that the customer stated would not turn on or charge. Checked charging port it was good. Checked battery and it was bad, But after replacing the battery it would intermittently charge at times and the battery quickly died. Replaced the U2 chip and now the phone is working perfectly with new battery.

의 답변

의견 추가하세요

귀하의 답변을 추가하십시오

g2k3 가/이 대단히 고마워 할 것입니다.
조회 통계:

지난 24시간: 0

지난 7일: 0

지난 30일: 1

전체 시간: 78