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Sense-U AI 2.5K PTZカメラは、赤ちゃんの呼吸の動きを監視しながら、どこからでも鮮明な2.5K(2560x1440)HD映像をストリーミングでき、従来のカメラ以上の安心感を提供します。

Damaged USB-C port

I used a too strong power supply on vacation and the device stopped working completely after a few days. The device smelled a bit burned, so I opened it up. I couldn't find any obvious damage but, after reaching the USB-C port, I did see a small burned area in the base, right under the USB-C port.

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The USB-C port itself looks good.

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What is the best way to identify the source of the problem? Can I test the USB-C port and is the part easily replacable?

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Hello, @adrian89324

  1. If the port was easy to access and remove, then yes, there are most likely replacements for it.
  2. Use a multimeter, check if all points on the USB-C port do have power, otherwise, replace.
  3. If you don't want to immediately replace the port, then check the power plug connecting with a multimeter to check and see if anything fishy is going on, or check for any pieces of metal touching parts that it shouldn't.

Let us know if you find anything out!

T

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The device seems to get power, since the infrared LEDs are turning on after plugging it to a power brick with 5V 1.0A (5W). However, the reset-button does not bring the device back into pairing mode. Is it still plausible, that the USB-C port is damaged, or does this hint to a defect control chip or anything alike?

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@adrian89324 Thanks for the update, is there any damage to the reset button? I would try to replace that before replacing the control chip, which will require soldering, if you know how to solder.

Also to add, there seems to be no PDF's available whatsoever for your camera, so we may be going in blind with your device.

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@adrian89324 the plastic housing where the port lives shows burn marks. That means it got really hot. You do need to remove the board and de-solder the port since the USB-C connectors have contacts on the bottom of the connector as well. Then check the traces, solder pads etc. No, there is not an easy way to measure a common USB - C port but you could always get an inexpensive USB-C test board and use that to check your port. Something like this (Just an examples and not an endorsement for the seller). Could be overkill for your board since all it seems to be doing is supply power and no data lines. You will most likely notice any damage when you unsolder it.

You also need to measure the voltage on the power connector (Red/Black) cable and see what you get consistently. Looks like there should be 5V 1A on those. Use a multimeter and measure the voltage. Red most likely + and Black - Take a close up picture of the board so that we can see the components on it.

Hopefully its just a burned and shortened connector. Rule that out first otherwise you will always have doubt. You need to find a known-well place to start your troubleshooting.

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Adrian さん、ありがとうございました!
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