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30 April 2012

iPhone 3gs Power I.C. replacement (Process How To...) good 100% done

01:50 - By SR RAFIQUE 0

Case:

iPhone 3gs fast drained batt and getting hot if it charge...


Cause:

Mainboard shorted


Solution:

Change Power Management IC...

Here's the way how to replace IC:

Preparing for reballing leads... I'm using heat resistant tape way of resoldering...


Mounting on solder plate...



Put solder paste (lead)...


Make sure lead paste must evenly distributed to holes...


Apply low heat and lead gradually melting...



After reballs from plate must reheat IC for even and fine lead settling...



Mounting to MB, heat must controled to prevent IC/MB spoiled...


Here's new IC mounted perfectly and beside is the shorted IC...


After assemble and plug in charge... It works but still lowbatt... (noticed at photo only 5 percent batt charged and the DATE when phone was dead)


Here's after how many minutes charge is 50 percent and for documentation compare IMEI on phone and the written IMEI on reciept and the problem written...

About the Author

Any-flash file free need say call and add me also ----------------------------- my_yahoo= srrafique88@yahoo.com Gmail= srrafique88@gmail.com . Follow me @sr_pure
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