How to remove this epoxy like glue?

Hi,

Anybody has ideas on how to remove this black, epoxy like(?) glue? (see pictures)

I tried heating it with hot air tool, but didn’t make any difference. It surrounds the cables, and worse, keeps the PCB in the case.

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The material is called potting. Its used to protect the wires and/or connections.

What are you trying to do?

da

Take out the pcb, find the TDO line, as it is not routed to the SWD connector, but to a via, and from there maybe the other side.

da

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