my hd sagem freeview box isw not working?

does any1 know any1 who fixes hd freeview boxes, i have a sagem digital terrestrail tv receiver/recorder with hard disk and double tuner, its a sagem 6400t/6700t. i spilt a drop of water on it n now it stopped working n i can,t afford 2 buy a new 1 cos i,m on benefits but if any1 knows any1 who has the same box n is willing 2 sell theirs at a reasonable price
or knows any1 who can fix mine then pls send me a pm n quote a price pls, thanx