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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone 4 / iPhone 4S

iPhone 4 / iPhone 4S iPhone 4 / 4S

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Old 01-08-2010, 19:39   #1 (permalink)
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Exclamation iPhone 3G only turns on with charger connected!!


Hello guys,

I have a iPhone 3G that only turns on (but don't start at all) with the charger connected. I've changed the battery for a new one and its the same thing. And better than that, I've changed his mother-board, for another one. Well, this mother-board in another chassis(and everything new) doesn't work either without charger connected, and a good board on the chassis of damaged iPhone worked fine! So, I concluded that the problem is on Board!

With charger, iPhone turns on, appears the Apple logo but nothing else, he doesn't really starts. And I'm sure it isn't a SW or FW problem. It is for sure a HW problem.

Anyone have an idea of what is the problem?

Regards,

SoSimple
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Old 01-09-2010, 16:22   #2 (permalink)
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Any solution?

Regards,

SoSimple
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Old 01-09-2010, 23:22   #3 (permalink)
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Red face Above same problem, can any one help us!

Above same problem, also I'm facing can any one help us!
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Old 01-09-2010, 23:43   #4 (permalink)
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Quote:
Originally Posted by SoSimple View Post
Hello guys,

I have a iPhone 3G that only turns on (but don't start at all) with the charger connected. I've changed the battery for a new one and its the same thing. And better than that, I've changed his mother-board, for another one. Well, this mother-board in another chassis(and everything new) doesn't work either without charger connected, and a good board on the chassis of damaged iPhone worked fine! So, I concluded that the problem is on Board!

With charger, iPhone turns on, appears the Apple logo but nothing else, he doesn't really starts. And I'm sure it isn't a SW or FW problem. It is for sure a HW problem.

Anyone have an idea of what is the problem?

Regards,

SoSimple

do a reflow of ic' s
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Old 01-10-2010, 02:00   #5 (permalink)
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Quote:
Originally Posted by GSMman187 View Post
do a reflow of ic' s
I've done already, didn't solved.

Regards,

SoSimple
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Old 01-10-2010, 02:19   #6 (permalink)
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sir try to change battery.....
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Old 01-10-2010, 11:08   #7 (permalink)
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Plug it into the pc and if necessary reboot the pc.
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Old 01-10-2010, 22:11   #8 (permalink)
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Quote:
Originally Posted by GSMman187 View Post
do a reflow of ic' s
How do you do a reflow my friend? I got a 2G is doing the same thing, it will not turn on by pressing the power button, it only turn on when you connect the charger to it, then you can disconnect the charger and every thing works fine as long as you don't turn it off, but you can press the power button and slide to turn it off, any ideas?

Regards

Last edited by dcg28052; 01-10-2010 at 22:17.
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Old 01-19-2010, 01:07   #9 (permalink)
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Quote:
Originally Posted by dcg28052 View Post
How do you do a reflow my friend? I got a 2G is doing the same thing, it will not turn on by pressing the power button, it only turn on when you connect the charger to it, then you can disconnect the charger and every thing works fine as long as you don't turn it off, but you can press the power button and slide to turn it off, any ideas?

Regards
reflow mean heat intergrated circuits with hot air machine
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Old 01-19-2010, 01:17   #10 (permalink)
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Switch ic.........MR GSMman187
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Old 01-19-2010, 01:20   #11 (permalink)
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Originally Posted by nickvanexel View Post
Switch ic.........MR GSMman187
hahah yea that too if reflow dont work,


how are ya man... ?
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Old 01-22-2010, 07:47   #12 (permalink)
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hahah yea that too if reflow dont work,


how are ya man... ?
What IC by the way? Don't you have a scheme?

Regards
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Old 01-22-2010, 07:47   #13 (permalink)
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Does anyone have a service manual for iPhone 3G? I need to check layers...

Regards
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Old 01-22-2010, 14:25   #14 (permalink)
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remove your screen protector and see if the problem still persists.
Cheers!
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Old 01-22-2010, 14:49   #15 (permalink)
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Originally Posted by systemrun View Post
remove your screen protector and see if the problem still persists.
Cheers!
It doesn't have screen protector or anything like that... Thanks anyway dude!

Regards
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