you have a bad dmd module and it cost around $750-$800
Happend, because a bad soldering
connections in that module. Lines will come on and off. Probably 1 day
will stay on. For last 2-3 years im seen that only on hlm and hln
happens on other models. but, i never seen that.
not that hard to replace that module. You have to remove 2 screws from
left side and 1 screw from bottom righ side of module and 4 of them
from around dlp unit unpulg all cables ( i think
3 cables ) that it. Same way install new one in.
but you will need to adjust a module position to get picture
to fill whole screen.