I have an HCN653w Samsung rear projection TV that is not turning on. The house power turned off twice while the TV was being watched and then the TV did not turn on. When I push the TV on button, the TV attempts to turn on for about 5 seconds. I hear some clicking of some switches and a little bit of sound with no video just before it turns itself off again. It repeats the same sequence over and over again until I turn the TV off. The TV is 5 years old and has no warrenty. I have the service manual for an HCN653WX which includes the schematics. I am not sure what the X is for but the schematics seem to follow the HCN653W. So far, I have replaced both convergence chips and the vertical output IC and it is still doing the same thing. Does anybody have any suggestions on what to do next?
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1/23/09 at 8:28pm