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Flipsky 6.6 no green/red led only blue

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vic1234
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Joined: 2022-02-16 19:25
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Flipsky 6.6 no green/red led only blue

Hi 

I have flipsky 6.6 

I replaced 3 of the current sense amplifiers (AD8418)

Because they were shorted

But when I powered on the board there was no green or red led only blue one is on

Then I tried to flash the stm still doesn't worked 

Adn after that I soldered new stm32f405

Flashed the firmware through stlink 

And still non of the led light up or flashesh during boot 

Also the USB is not working and no can on this side of the board 

 

What alse I can check? 

I checked the 5v and 3.3v they are OK