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iphone ගැන ඕනේ දෙයක්...
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<blockquote data-quote="Meva" data-source="post: 11822379" data-attributes="member: 387843"><p>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... </p><p></p><p><span style="font-size: 18px"><span style="color: Red">all credits goes to maui_1856</span></span></p><p></p><p>iPhone 3gs fast drained batt and getting hot if it charge...</p><p> </p><p> </p><p>Cause:</p><p> </p><p>Mainboard shorted</p><p> </p><p> </p><p>Solution:</p><p> </p><p>Change Power Management IC...</p><p> </p><p>Here's the way how to replace IC:</p><p> <img src="http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP3-1.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p>Preparing for reballing leads... I'm using heat resistant tape way of resoldering...</p><p> </p><p> <img src="http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP4.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p>Mounting on solder plate...</p><p> </p><p> </p><p> <img src="http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP5.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p>Put solder paste (lead)...</p><p> </p><p> <img src="http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP6.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p>Make sure lead paste must evenly distributed to holes...</p><p> </p><p> <img src="http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP7.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p>Apply low heat and lead gradually melting...</p><p> </p><p> </p><p> <img src="http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP8.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p>After reballs from plate must reheat IC for even and fine lead settling...</p><p> </p><p> </p><p> <img src="http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP9.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p>Mounting to MB, heat must controled to prevent IC/MB spoiled...</p><p> </p><p> <img src="http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP10.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p>Here's new IC mounted perfectly and beside is the shorted IC...</p><p> </p><p> <img src="http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP11.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p>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)</p></blockquote><p></p>
[QUOTE="Meva, post: 11822379, member: 387843"] 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... [SIZE=5][COLOR=Red]all credits goes to maui_1856[/COLOR][/SIZE] 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: [IMG]http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP3-1.jpg[/IMG] Preparing for reballing leads... I'm using heat resistant tape way of resoldering... [IMG]http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP4.jpg[/IMG] Mounting on solder plate... [IMG]http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP5.jpg[/IMG] Put solder paste (lead)... [IMG]http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP6.jpg[/IMG] Make sure lead paste must evenly distributed to holes... [IMG]http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP7.jpg[/IMG] Apply low heat and lead gradually melting... [IMG]http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP8.jpg[/IMG] After reballs from plate must reheat IC for even and fine lead settling... [IMG]http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP9.jpg[/IMG] Mounting to MB, heat must controled to prevent IC/MB spoiled... [IMG]http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP10.jpg[/IMG] Here's new IC mounted perfectly and beside is the shorted IC... [IMG]http://i206.photobucket.com/albums/bb161/maui_1856/3gsNP11.jpg[/IMG] 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) [/QUOTE]
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