sony tv kp-43ht20 is blinking 6 times only

my sony tv is not working is off and it won't turn on with the front tv button.  I don't have the original remote and the only thing is doing, the front light is blinking 6 times.  Can anybody help me how to fix it.  I tried to find the remote on the internet, they want $80.00, repair man want $150.00 just to look at it, Help me thank you.