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Iphone 8 plus Not charging after USB PORT slightly wet.  

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PAULRICK MONTREUIL
(@paulrickmontreuil)
Eminent Member Customer
Joined: 11 months ago
Posts: 43
15/02/2020 8:50 pm  

I got this iphone 8 plus today  it's only charging wirelessly , not recognizing any USB , so i ran a tristar test on it and it came that ACC1 failed , as well as one time tristar , so i managed to replace tristar 4 times , i changed tigris and still with the same failure and not recognizing any USB cable any help would be highly appreciated.


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Mike
 Mike
(@admin)
Owner Admin
Joined: 5 years ago
Posts: 507
16/02/2020 12:36 am  

ACC1 is usually a battery issue, so try a new battery first.  Second, diode mode the pins on the battery connector to see what you get.  Is there no amp draw on the ammeter?


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PAULRICK MONTREUIL
(@paulrickmontreuil)
Eminent Member Customer
Joined: 11 months ago
Posts: 43
16/02/2020 2:03 pm  

I did try a new battery and that did not make any differences, its not drawing any amps at all , 

 

I ran a diode mode test on all the pins and i found pin #31 which is the PP_HYDRA ACC1 CONN  Line has a significant low value instead of 0.366  , I only get 0.64

I also got low voltages on PP_HYDRA ACC2 CONN normal value is 0.367 and i got 0.337 , Mike the other question that i have , would it happen that my chips are bad or the iphone 8 and plus mechanism is different? 


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Mike
 Mike
(@admin)
Owner Admin
Joined: 5 years ago
Posts: 507
03/03/2020 8:12 am  

From my experience, it's always Tigris 2 and not hydra that is the problem with the iphone 8/8+.  My symptoms are tristar tester passes, no amp draw on usb ammeter, and low amp draw on the dc power supply.  There are no other symptoms.


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PAULRICK MONTREUIL
(@paulrickmontreuil)
Eminent Member Customer
Joined: 11 months ago
Posts: 43
03/03/2020 8:19 pm  

I got it fixed , but i got another one that tristar is ok but not charging , I will run some test on the connector pins to see why .Mike i am trying to watch the last video the iphone X  but  i can't find it .


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