Guide: (extract the Partvalues from the Schematic on the last page in this document). not nice- but what can we do ?

BOM tip:

LED holder 3x

https://www.tme.eu/de/details/rtf-5010/fassungen/kingbright-electronic/

Jacks:

https://www.tme.eu/de/details/acjm-mv-2s/klinken-steckverbinder/amphenol/

LED must be a 2pol red-green 5mm LED