HISENSE H55M3300 LED BAR SET HI SENSE_55_HD550DU-B52_10X7_3030C_V0_20151012 S6. FOR HISENSE MODEL H55M3300. Replacing the backlight on 55” is too much risk of damaging the screen. THIS IS NO DIY JOB, THE LED PANEL WILL HAVE TO BE TAKEN APART TO CHANGE THIS ITEM.