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Fourth generation iPhone. Repair is straightforward, but the front glass and LCD must be replaced as a unit. GSM / 8, 16, or 32 GB capacity / Model A1332 / Black and White. This page aims to help users troubleshoot, fix, and seek help for the iPhone 4.

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Problem with dock connector (Possible short circuit)

hi, my name is julio and i need help with my iPhone 4.

So my iPhone keeps in loop apple logo but just if it connected to a computer or a ac power adaptor. If i remove the cable the iPhone goes down. I try replacement of battery but nothing helps. I think the problem is with dock battery connector because i search a little and i found this image:

IMAGE

So i pick up the multimeter and i check the continuity. I note that The last pin and the first pin are on short circuit. I think that the first pin is ground ant the last is vs (red wire) so make sense the power problems but i don't know how to fix this short circuit.

I'm asking for help to solve this guys.

Thanks a lot.

Answer this question I have this problem too

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Try cleaning dock connector with isopropyl and toothbrush first. Then if that fails replace dock connector

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3 Comments:

I think the problem isnt with Dock ... I just test continuity there.. I think that maybe should be a capacitor caused by water drain because the water marker apparently shoes positive ...

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i strongly recommend you at least try a dock replacement. 5 minute job and only a few £$

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ok, i try like you said replace the dock and still the same ...

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julioficabem will be eternally grateful.
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