https://pitonoff.ru/product/shema-noutbuka-lenovo-ideapad-330-15igm/(IGM, page 45/60, low right, KB Backlight Connector) https://pitonoff.ru/product/shema-noutbuka-lenovo-ideapad-330-15arr/(ARR, page 41/53, middle right, KB Backlight Connector...