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ENDER 3 V2 HS


Aai
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 Aai
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Hi all,

Can you help me please?

I was offered an ENDER 3 V2 printer in January, and it just broke down: no more display on the screen. ? 

After calling the after-sales service, a screen is sent to me for 10 € (under warranty)..... ? 

I tried to dig a bit, and I noticed that there was no connection with the micro in USB ....
In addition, the led near the USB driver never flashes.

The drivers are well installed and the PC detects a com port.
With a com spy, I am viewing the pc to the printer frames but I have no responses from the printer. ?

If anyone knows the troubleshooting of these cards or tips to check the hard, I'm interested.

I think when I have received the screen (6 weeks between guaranteed declaration and x week shipping + transport), they will ask me for another 10 € or other to send the card.

NB: the card is an ENDER 4.2.2., I am taker of the electrical diagrams, PCB or other to troubleshoot.

Thank you ? 

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kevin
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@aai Hi friend,  the led near the USB driver never flashes? Is it light on? If not, that means there is no power input to your mainboard.

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Aai
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 Aai
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Thks for you return!

I have tested fuse and power supply, seem ok

It is for this I search a schematics for try to find where is the problem.

Where can I test all power please.

 

Regards

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Aai
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 Aai
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I have tested AMS117, and on input I have 5.00 and on pin2 M(Midle) 3.3V

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kevin
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@aai Have you found the issue?

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Aai
 Aai
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@kevin

Not at this time.

I have keep it at my job, and we check it.

We think there is no boot start in ST because all supply are ok.

What can we do?

I don't find schematics and wher can I find full software? Is it possible to make an image of ship programmed? How ( I have J-LINK)

 

Regards

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kevin
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@aai https://forums.creality3dofficial.com/community/ender-3-series/ender-3-pro-board-v4-2-2-rx-tx/#post-6025 Are you finding schematics? In fact, these are not able to be shared.

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