PREMIUM iPad Air 2 No response sa Charger

intoy

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iPad Air 2 No response sa Charger basically dead unit

Troubleshoot procedure:
Charging Flex - Connect charger and Remove L3657 then voltage test sa PPVBUS_E75_USB_CONN if present ang 5.2v
pag Present ang 5.2v meaning goods.
USB IC | U2 IC | U3500 - Connect charger and Ibalik ang L3657 then alisin ang u2 ic pag may 5.2v sa PPVBUS_E75_USB_CONN meaning U2 ic ang problema

Solution:
Kumuha ako ng U2 ic sa iPhone 5s at viola nag charge na at eventually nag turn on na ang unit.

1712131264593.png





Remove shield para mas madali kumilos

1.JPG


iPhone5s donor board
2.JPG


U2 ic on the go
3.JPG


Charging na
4.JPG


Buhay na
5.JPG
 
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