Removal wis very easy. Just a view screws. You need to pull off teh grille first (just move upwards). Did it once to clean it. No idea about costs -> call your dealer.
BeoVision 8-40 / BeoVision 8-32 / Beovision 6-26 / BeoSound 3200 / BeoSound 1 / BeoLab 3 / Beolab 6000 / Beolab 2000 / Beoport / Beomedia 1 / 3* Beo4 /BeoCom 5 with VOIP