Hi i had my screens broke on my rear projection tv ive got the new ones they are easy to fit i am having a few problems what way do thesreens fit ie the fressnel screendoes this go first and do the ridges face towards me or to the mirror and same for the lenticular screen soes this go on last and is it the frosty side that faces me? after fitting them will any ajustments need to be made? the model is SP50L6HDX thanks for any help