Phantom 3 Advanced, gimbal top board problem

Joined
Jul 18, 2021
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Lyon, France
Hello,

After looking for a solution on this website, I decided to post my problem.

My problem is with my gimbal top board P01069.10 of my Phantom 3 advanced.

the LED stay off when I turn on the drone.

The voltages on the board are OK exept : 1V2, VCC3V3 and VCC1V8 who stay at 0V (maybe only for phantom 3 pro?)

When I use Putty on U0_T and GND, I can see "Cortex Boot-Up success" in loop.

From what I saw on this website, the problem would come from Ambarella chip.

Can you help me to resolve this problem?

Thinks.
 

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