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iPhoneの第4代目で、修理はそのままパーツを直接交換するだけです。しかし、正面ガラスとLCDはセットで交換する必要があります。容量はGSM / 8,、16m32 GB / モデル番号 A1332 /本体カラーは黒と白色

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How much is the voltage of each pad on iPhone 4 battey

my iphone does not charge i want

to measure each prong of battery terminal

in iphone 4.how can test and measure the

battery terminal. how much the voltage

of 4 prongse have to be?

thanks

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iPhoneのバッテリーキット

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iPhoneのバッテリーキット

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tushmanluuu, you only measure the outside contacts. You should expect to get at 4.6 V or better on there.

Additional Information

Not sure if this is the jumper diagram you were looking for.

Block Image

Here is the diagram for which connector does what:

Block Image

Block Image

If it is not charging, check the USB power fuses and the USB power IC (that can only be done through either reballing or replacing the BGA IC)

Block Image

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how can use jumper for battery connector

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I am a little confused about the jumper. What type of jumpers are you looking for?

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i mean when battery is diconnected

measure the voltage of terminal pads

to see if conections are fine .i know there

is + and - pads but whitch one is witch

i 've seid i have charging and rebooting

problem ,i think maybe ther is other faulty

parts like power ic ,fuse etc.

thanks for answering.

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Hope the added diagram will help further. Thank you for accepting my answer.

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I have the two middle contacts missing on the logic board.

If I use jumper leads can you tell me what the components are that are under the heat shield?

How tolerant are they to heat.

Thanks

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Dave1961, if you post an image of the components in question, I might be able to find that information. With any logic board repair, you should only heat the board twice, once to desolder and once to resolder. It does require experience and good tools to solder properly.

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there are 2 gold coloured circles behind 2 and 3, you can just bridge between the battery connector and the gold coloured pads, it will do the same as using jumper cables to the board. if you look very closely there is a track on the board from the original pad and the gold coloured pads

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tushmanluuu さん、ありがとうございました!
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