Author Topic: USB connection problem with JDM-020 and JDM-030  (Read 1615 times)

Offline kaitsu

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USB connection problem with JDM-020 and JDM-030
« on: April 15, 2022, 11:12:20 AM »
Hello everyone, I have the same problem on 2 different controllers JDM-020 and JDM-030. The controllers are not recognized by USB cable. They charge the battery correctly and I can connect them in bluetooth but impossible by cable. I changed the USB pcbs with new ones. I couldn't find any threads with this problem. Do you know what component can cause this failure? Thank you very much

Offline jarod666

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Re: USB connection problem with JDM-020 and JDM-030
« Reply #1 on: January 21, 2023, 01:14:08 PM »
Hi there, I have exactly same problem with my JDM-030 controller. Did you find solution ?

Offline RDC

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Re: USB connection problem with JDM-020 and JDM-030
« Reply #2 on: January 22, 2023, 06:32:02 PM »
Remove the TVS Diode protection chip for the USB data lines and see if they work then. On the -020, it's on the top side of the motherboard, small 5 pin chip just above the left stick. On the -030, it's on the bottom side of the motherboard, 5 pin chip just below the connector that goes to the USB/LED board.
Screwing up is one of the best learning tools, so long as the only thing you're not learning is how to screw up.

Offline Worf

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Re: USB connection problem with JDM-020 and JDM-030
« Reply #3 on: January 24, 2023, 08:04:21 AM »
Remove the TVS Diode protection chip for the USB data lines and see if they work then. On the -020, it's on the top side of the motherboard, small 5 pin chip just above the left stick. On the -030, it's on the bottom side of the motherboard, 5 pin chip just below the connector that goes to the USB/LED board.

Hi, same for the JDM-040? I have one that does charge and have +3v on data lines but still not detected via usb. On pc windows detects an unknown device.
« Last Edit: January 24, 2023, 08:06:43 AM by Worf »

Offline RDC

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Re: USB connection problem with JDM-020 and JDM-030
« Reply #4 on: January 24, 2023, 12:51:07 PM »
It's worth a try, if it doesn't work you can always put it right back on. It's in the same place as the -030, just under the connector there.

Also note, the -030 has another 5 pin protection chip on the USB/LED board, could be that one is bad versus the one on the motherboard.
Screwing up is one of the best learning tools, so long as the only thing you're not learning is how to screw up.

Offline Worf

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Re: USB connection problem with JDM-020 and JDM-030
« Reply #5 on: November 04, 2023, 03:22:32 PM »
Remove the TVS Diode protection chip for the USB data lines and see if they work then. On the -020, it's on the top side of the motherboard, small 5 pin chip just above the left stick. On the -030, it's on the bottom side of the motherboard, 5 pin chip just below the connector that goes to the USB/LED board.

Hi.

TVS Diode chip (motherboard side) removed on JDM-030 and it's working again, thanks for the suggestion. Now we need the replacement part, do you have buy link or the part model/name?.

 

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