convergence problem, now no pitcute

I only had a convergence problem , now I have more!. I removed the Convergence PWB, and Replaced BOTH IC804 and IC805 with two STK392-150's. Now, when I plugged the TV in, the "power" button would go on "blue light" but, no picture, no sound. The "blue" power button is not workable; the only way to turn the TV off is to unplug. Thanks for the help.

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