Proton MM2701VT 27" TV "coby television turns itself" Questions

my coby rc 057 television keeps turning off and on by itself test the main switch for faulty, and replace it .God bless you

coby rc 057...when I turn the volume up the volume keeps turning back down all by itself. How can I fix this? I bought a new universal remote and I am still having the same problem. your button for ...