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Soldering underneath chips

Step 2Solder the top and bottom of the thermal via

Solder the top and bottom of the thermal via
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  • solder top.jpg
  • solder bottom.jpg
Now solder the top and bottom of the poked through wires.....try to use as little as possible on the top, where the chip will be installed to make the next step easier.

Trim the top wires as close as possible to the PCB without destroying any trackwork. Leave about 2-3mm of wire poking out from the bottom though.....you need to be able to connect the heat from the soldering iron to something when it comes time to attach the chip.
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Author:rgbphil
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