Turns on and goes right back off. When trying to turn our TV on either by the on/off button or

Question

When trying to turn our TV on either by the on/off button or remote, it sounds like it's coming on and then goes right back off. TV RCA / VIDEOPLUSGOLD / GEMSTAR //when i try to turn it on it sounds like it,,but then it just turn right off,,can u please help me with this problem,let me know when u find a solution,thank u. [e-mail]