When you boot up the device, there will be a horizontal dotted line on the screen—please check the image below.
![IMG20160429180129_meitu_3.jpg]()
After some time, take a look at the next picture.
![IMG20160429115546_meitu_2.jpg]()
The display looks good, the logic is stable, but the issue is likely on the motherboard. Please check the motherboard circuit.
After some time, take a look at the next picture.
The display looks good, the logic is stable, but the issue is likely on the motherboard. Please check the motherboard circuit.
Check U8: the voltage is unstable at 0.9V (normal should be 1.2V). U7 and U8 are not working properly. CA12, CA14, CA16, and CA19 seem to be in good condition.
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