Television and Home Theater

I can turn on the TV, but after that it won't respond to any buttons on the remote or on the pannel. Then if I try to shut it off, it won't, until about 15 seconds later when it just shuts off itself. I tried pressing the system reset button, but it doesn't work.

Can anyone help me fix my Mitsubishi Model WS 55513. I am having the blinking green light problem that seems to be so common.   If someone could send me the instructions to replace the CAPS in the DM module,  it would be greatly appreciated.

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Originally, I had a convergence problem with red on the bottom and top. I recently replace the STK392-120 ICs and the convergence was nearly aligned. As I was fine tuning the level of intesity on the 3 colors I noticed the 3 colors stop showing a picture. All the CRTs are on, but no piture in any input. Do you thing the 2 ICs I just replaced went bad, or do I have another problem?