Quote:
Originally Posted by dinushan
iPhone kadunama hadanna barida
mage laga 3gs ekak thiyenawa
eke power IC eka heat weawa
4n eka onn wenne na
haana thanak ehema dannawada
help
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හදන්න බැරි කමක් නැ.. සමාවෙන්න මන ලංකාවේ හදන තැන ගෙන දන්නේ නැ.. සහෝ ගේ phone එකේ මව් පුවරුව short. power ic එක මාරු කරන්න වෙනව...
all credits goes to maui_1856
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)