scrambled

[stellar32]

I have pansat 2500a. I am looking at 119 & 110 sat. I review channels and they come in fine and everything seems ok. Today I try to get channels and alot do not come in . Message says ":-):-):-):-):-):-):-):-):-) or bad signal". I checked sig and quality is 90% strength is 65%. My set up is as follows: I have 3 dual LNBs(from direct TV sytem) going into 2 disq from there I go into a 3x4 switch then connect to my 2500a.

Whats my problem?