Short on caps near pmic

Question

iPhone 6s Plus

2015년 9월 25일 출시. Model A1687/A1634. 수리는 이전 모델과 유사하며 스크류 드라이버 및 비집는 도구가 필요합니다. GSM 또는 CDMA / 6, 64, 또는 128GB / 은색, 금색, 스페이스 그레이 및 로즈 골드로 제공하였습니다.

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dylanrichter44 @dylanrichter44

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게시일: 2018년 6월 29일

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Short on caps near pmic

Hi again I'm really stuck with this one I have replaced Tigris Ic mosfet ic tristar ic I'm unsure if it's fixed the shutdown issue yet but in addition to that I have released its going through power like nothing one hour YouTube video used about 30% so I looked at big pmic and found caps c2016 c2013 c2017 c2020 c2014 c2015 c2019 and c2021 all to be shorted can anyone help with this issue as I'm sick all I can think of it replace the pmic and no sines of water damage or corrosion gave it a ultrasonic bath

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Minho @refectio

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Those caps are on the PP_GPU line and it is a very low resistance line, typically in the 10-20 Ohm range. Most meters will "beep" when set to continuity mode with that kind of resistance. So unless you are measuring <1 Ohm, I would say the readings are normal.

You don't really say what the original issue/problem was so I will just say that if you have fast battery drain, try a known-good battery first and then remove all peripherals and test them individually. If the drain occurs even with just the logic board (with a known-good battery and Lightning port), then you need to measure all of the PMIC & BB PMU lines.

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So it's actually all the caps on that line my error I was wondering if 1 cap was burned out and acting as a wire to ground can this do that and the original issue was that it would kill new battery's as in new battery will only last a month before it's completely dead and not even a good phone can charge will die at about 50% and by the end of that day the battery is so drained it will boot loop but comes good with a good battery works fine for another month I have found that c2018 is a lot hotter than the rest and has a darker colour with a mark on pmic around it

dylanrichter44 의 2018년 6월 29일

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So it's actually all the caps on that line my error I was wondering if 1 cap was burned out and acting as a wire to ground can this do that and the original issue was that it would kill new battery's as in new battery will only last a month before it's completely dead and not even a good phone can charge will die at about 50% and by the end of that day the battery is so drained it will boot loop but comes good with a good battery works fine for another month I have found that c2018 is a lot hotter than the rest and has a darker colour with a mark on pmic around it — dylanrichter44

iPhone 6s Plus

Short on caps near pmic

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