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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

iPhone, iPad, iPod Hardware Repair Hardware Repair discussions for iPhone, iPod , iPad & Apple Products, help, guides.

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Old 07-27-2017, 20:54   #16 (permalink)
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Hi, did anyone resolve this issue? I also changed on couple ipads air 1 1610A1 charging dock and battery but the issue remains. Any solutions?
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Old 08-19-2017, 19:33   #17 (permalink)
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any solutions for ipad mini only charging when off
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Old 03-27-2018, 00:10   #18 (permalink)
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Same issue. Charges when off. Soon as it boots it stops charging.

Anyone figure this out?
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Old 03-28-2018, 11:27   #19 (permalink)
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Having this problem also here from ipad mini 2/4/air1 and air2 after change u2 or flex /new battery still not charging after 1-3% (depending on model)
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Old 03-30-2018, 20:19   #20 (permalink)
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I’ve had this happen on every single one I’ve gotten and I’m led to believe it’s the main power ic. But they’re an expensive part so I’m just going to piss all over these stupid iPads
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Old 03-31-2018, 18:43   #21 (permalink)
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that's the U2 issue
i got few like that, replacing the U2 is not easy as it's too close to nand. so put kapton tape and even a small aluminium radiator used for microcotrollers or cpu, and try to clean all that ****ty glue under the chip, then try to clean all the old solder and try again
some chinese refurbished U2 IC's, and especially the 1610U1 IC's are bad. i got 75% failure on one delivery from Aliexpress once ..
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Old 03-31-2018, 18:44   #22 (permalink)
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Quote:
Originally Posted by haddar View Post
that's the U2 issue
i got few like that, replacing the U2 is not easy as it's too close to nand. so put kapton tape and even a small aluminium radiator used for microcotrollers or cpu, and try to clean all that ****ty glue under the chip, then try to clean all the old solder and try again
some chinese refurbished U2 IC's, and especially the 1610U1 IC's are bad. i got 75% failure on one delivery from Aliexpress once ..


For me I tried u2 many times and always same issue
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Old 03-31-2018, 18:48   #23 (permalink)
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i fixed one like that recently. it was laying in my shop for almost a year after i lost hope to fix it because like you, i tried many different U2 chips. i just tried a new U2 IC, and got it to work as it should. no draining, no charging issues ..
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Old 04-19-2018, 17:37   #24 (permalink)
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This should help you .

https://dgpcrepairs.wixsite.com/ipho...g/date/2017-10



Sent from my X98 Plus 3G using Tapatalk
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Old 05-31-2018, 14:05   #25 (permalink)
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I had the same problem. Ipad Air not charging when powered on. 0.02a Not even charging symbol. But will charge when powered off.

I got 5v on caps from usb to Tristar. So I changed Tristar with 1610A3.. didnt help. Then i took a 1610A1.. didnt help. Other battery didnt help.

In my case the solution was to change the docking flex. After that the ipad was chagring pefectly.

So dont get fooled if you have 5v on the caps neer your Tristar. Your docking flex can still be defect!
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Old 05-31-2018, 18:13   #26 (permalink)
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Did you replaced Tristar? get a ic chip from microsolderingparts dot com
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Old 06-01-2018, 12:04   #27 (permalink)
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Quote:
Originally Posted by HDccam View Post
I had the same problem. Ipad Air not charging when powered on. 0.02a Not even charging symbol. But will charge when powered off.

I got 5v on caps from usb to Tristar. So I changed Tristar with 1610A3.. didnt help. Then i took a 1610A1.. didnt help. Other battery didnt help.

In my case the solution was to change the docking flex. After that the ipad was chagring pefectly.

So dont get fooled if you have 5v on the caps neer your Tristar. Your docking flex can still be defect!


Thanks. Wonder how the docking flex gets damaged preventing charging when powered on
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