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POST No. 2407246
This openCR board
2019-01-08 15:57:11 Allie

ROBOTIS

http://en.robotis.com/service/forum_view.php?bbs_no=2407225&page=2&save_sca=&sca=&save_stx=&stx=&sfl=


This openCR board, can not identify the USB port, can not refresh the bootloader, the customer will send the openCR back, after our technical testing, it seems that 3.3V and ground short circuit, there is no way to locate the specific components. What should we do next? This may also require professional testing by your company.


2019-01-08 15:57:11
Allie
2019-01-15 02:18:08 Will Son

Hi Allie,


If 3.3V pin and GND are shorted, please request repair service as it seems like the board had been electrically damaged.

When power is shorted, it could damage related components and power IC.

Thank you.

2019-01-15 02:18:08
willson
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