sony kp51ws510 not convergence any ideas

My sony is showing menu just fine and channel number and no signal but there is only sound for the first 2 seconds that you change a channel and then nothing screen seems to be divided in half sometimes you can make outn faces but mostly just colored lines going right to left and then back front timer is blinking 5 times have tried all seven video ports and nothing works on any of them tried unplugging and letting tv reset itself no other ideas please please help dawn