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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone, iPad, iPod Hardware Repair
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iPhone, iPad, iPod Hardware Repair Hardware Repair discussions for iPhone, iPod , iPad & Apple Products, help, guides.

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Old 09-06-2011, 02:52   #256 (permalink)
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Hi any one help me with WIFI in 3G i totally hurt iphone without Wifi Please
Wifi is disabled but bluetooth is working fine please
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Old 09-06-2011, 08:44   #257 (permalink)
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Quote:
Originally Posted by solai_4 View Post
Hi any one help me with WIFI in 3G i totally hurt iphone without Wifi Please
Wifi is disabled but bluetooth is working fine please
If you tried to restore firmware & not solved go here http://forum.gsmhosting.com/vbb/f631...34/index2.html
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Old 09-07-2011, 04:09   #258 (permalink)
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hi guys! My iphone 3GS just keep draining battery, although it was off, i've change the battery but the problem's still persist.
May be it's shorted somewhere, can you show me how to check?
Any help would be appreciated..
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Old 09-07-2011, 04:45   #259 (permalink)
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Quote:
Originally Posted by exit_exit2050 View Post
no my bro charging voltage over hogaee

charging ic hit hotee he

any bade help
bro use only english language to make ur reply easy to undestand others
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Old 09-07-2011, 04:47   #260 (permalink)
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Originally Posted by rexter View Post
no its still the same charging on usb and home charger but not connecting on itunes
bro u try with change flex cable of charging unit?
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Old 09-08-2011, 15:19   #261 (permalink)
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iphone 2 G no service
pls help iphone 2G no servic
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Old 09-08-2011, 15:59   #262 (permalink)
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Quote:
Originally Posted by kiddee View Post
hi guys! My iphone 3GS just keep draining battery, although it was off, i've change the battery but the problem's still persist.
May be it's shorted somewhere, can you show me how to check?
Any help would be appreciated..
Insert a charged battery check what is heating,where heats there is short.
Or with a multimeter check battery connector if not shorting.
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Old 09-10-2011, 10:35   #263 (permalink)
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iphone 3gs watered - power up with wall charger only but in recovery mode (apple and then itune connected, no backlight).
I cleaned with alcohool and dried, i see the lcd connector two pins corroded (believe that's the reason for no back-light)
I tried to restore with itune, but error 1611 - iphone restart but return in recovery all the times.
Pls help
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Old 09-10-2011, 12:31   #264 (permalink)
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where is U30 on the motherboard?
thx
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Old 09-10-2011, 13:03   #265 (permalink)
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Originally Posted by bmarcello View Post
where is U30 on the motherboard?
thx
Here photo,but why you need?
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Old 09-10-2011, 13:45   #266 (permalink)
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Thought was the ic broken... thanks, but i think it is not the issue.
I followed ur wise suggestion, I connected the motherboard to a power supply (jumpered two wires to the motherborad battery test point).
Providing power, the other side of the mother board becomes hot and Vcc does not go above 1.7 volt! -> clear issue.
Seems it is the U31_RF, I am removing the metal shield...
Any suggestion?
Thx
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Old 09-10-2011, 14:03   #267 (permalink)
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It's L15_RF that is hot, really hot...
What can I do?
Thx
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Old 09-10-2011, 14:42   #268 (permalink)
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I took a pic of the area.
The arrow shows the coil becoming hot, while the oval seems missing something? Attached the power supply picture too.
Thx for suggestions

how to attach pic to this forum???
Last edited by bmarcello; 09-10-2011 at 14:48.
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Old 09-10-2011, 14:56   #269 (permalink)
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not able to upload pictures...
ImageShack® - Online Photo and Video Hosting
ImageShack® - Online Photo and Video Hosting
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Old 09-10-2011, 15:35   #270 (permalink)
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Quote:
Originally Posted by bmarcello View Post
Remove L15 & check if something else is heating,if you have this kind of coil replace it.In oval marked is missing capacitor.
L15 is for bt/wifi.
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