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  1. #1
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    Oct 2012
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    Thumbs up Iphone 4 power management IC getting hot when LCD plugged ! - looking for solution of iphone hardware



    Hi all,


    Ive another problem Along with my Iphone 4 32Go...


    There was some oxydation on LCD connector and some of capacitors.

    Ive cleaned everything and check every ways, everything looks fine.


    When I plug the iphone on my computer, power management IC is getting hot very quickly.


    So I disconnected the lcd and plug it again and then itunes starts normally and can see my phone on my computer, but no display (of course).



    What could make short from the display Along without the connector ?


    Thanks a lot !!!

  2. #2
    Junior Member
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    Oct 2012
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    1,807

    Thumbs up Iphone 4 power management IC getting hot when LCD plugged ! - looking for solution of iphone hardware

    You have short on one of the capacitors near lcd connector, look on forum for Wites solutions, and thank Wites. title=smile

  3. #3
    Junior Member
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    Oct 2012
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    Thumbs up Iphone 4 power management IC getting hot when LCD plugged ! - looking for solution of iphone hardware

    I already looked the witess solution Along with the ways, the filters and the caps.

    But i think its all right title=frown


    Isnt there any possible problems anywhere ?


    Anyway many thanks for your reply.

  4. #4
    Junior Member
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    Oct 2012
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    Thumbs up Iphone 4 power management IC getting hot when LCD plugged ! - looking for solution of iphone hardware

    You want to remove that jumper you made in other post.

  5. #5
    Junior Member
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    Oct 2012
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    1,751

    Thumbs up Iphone 4 power management IC getting hot when LCD plugged ! - looking for solution of iphone hardware

    If I remove this jumper the iphone wouldnt start anymore title=frown


    I didnt found where to find a better 3,7V.


    [edit]: I ve cut the jumper and the iphone still sync well Along with itunes but when i connect the LCD again, it s heating strongly title=frown

  6. #6
    Junior Member
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    Oct 2012
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    1,705

    Thumbs up Iphone 4 power management IC getting hot when LCD plugged ! - looking for solution of iphone hardware

    Are you sure lcd connector has no short capacitors?

 

 

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