How to fix the power button on a hitachi 52 inch projection tv?

it turns on then turns right off how do i fix it?How to fix the power button on a hitachi 52 inch projection tv?
Firstly, hold the Menu and Input for a few seconds. You may need to do a hard reset to clear all settings.





If this doesn't bring up the analog picture, there can be 2 reasons (components to test %26amp; replace):


1. Problems with the flyback transformer


2. Problems with the convergence circuit.





In most modern-day projection TV's the problem can be rectified by replacing the flyback transformer.