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6s와 유사한 하드웨어 사양의 4-inch iPhone은 2016년 3월에 출시되었습니다. 16/64GB 저장 옵션 및 은색, 스페이스 그레이, 금색 또는 로즈 골드로 제공됩니다. 모델 A1662 및 A1723.

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iPhone SE not powering up

iPhone SE A1662

Power button no response. Power button feels good.

Attach cable from PC using iTunes to iPhone no response

Battery voltage low and was replaced

Screen removed and tested okay

Water mark shows a slight discoloration

No corrosion on connectors

Battery to logic board connector pins look okay, and ground is okay.

Draws 15ma when turned on and then 11ma.

Any assistance would be appreciated. Also looking for iPhone service manual test points on the logic board, thanks.

Edit 5/18/2021:

Measured 500ma draw after cleaning battery leads.

Someone has been in here before me.

Extra epoxy added.

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One part of a wire broken off from connector the end was terrible soldier job.

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답변되었습니다! 답변 보기 저도 같은 문제를 겪고 있습니다

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A USB ammeter is not much good for diagnosing a phone that will not boot. You really need a DCPS with a squid. There are no service manuals for the iPhone you will need to find the schematics and a board view if you want to start checking power pails.

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