AdalmPluto repair - USB Chip - USB3320

Hello,
short description why it was necessary to replace the USB Chip:
An OM has send that Pluto to me after he attached 12V via USB to it. After that accident it stopped working. It was dead. No communication, no RX, no TX.

After testing and replacing some smaller parts, all was pointing to the USB3320. So here we are.

The Video is a non-edited recording of my Trinocular Microscope. Sorry that the resolution is only 720p, a setting in OBS with which I´m recording was set to rescale.

The Pluto itself was preheated to 150°C. The HotAir was 250°C and little too much airflow. While my vacuum Pickup was configured for bigger BGAs I decided to use my Tweezers....

The transparent fluid I´m attaching is industry standard Flux, thanks to Michael for the gift, and it´s doing its magic perfect.

The "New" Chip was desoldered from a donated Pluto was other problems, so I was sure that its USB Chip must still work and I can tell you, all works perfect again now and the OM is very happy. The donated USB3320 was presoldered with 180°C solder and the rest you see in the video.

If you have a damaged Pluto, please contact me. Hopefully I can also repair it but if not, it could be a donation for someones elses, too. Could be called Ham Spirit to donate it instead of throwing it away.

Thanks for following and don´t forget to hit the bell :)

Please write in the comments what you like to see. I do have many recordings but don´t wanna "spam" everything onto the channel.

vy 73
Sandor
DM4DS

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