Problematic x70 home theater

It's been 2 years since I bought Sony x70 theater from bradlows I had experienced the 2 speakers going on and off more especially with TV always one is off one is on although I liked it because only 2 speakers and less cables but I'm now stucked with the incorporative system and ************* even though with numerous attempts with bradlows but yet failed nothing seems to be real same problem more and more???