You have either a bad ballast or a bad DMD Board. First remove the lamp from the televison and power the television on. When you turn it on you should hear a buzz and if you look in the back of the televison you should see a spark (this will not damage your television). If you dont hear the buzz or see a spark than your ballast which powers on the lamp is bad. If you hear the buzz and see a spark than your ballast is good and the DMD board needs replacing which will cost around $500-$850 depending on where you take it to be fixed. If you do the repair yourself then you must also know how to access the service menu and also know which engine you have and also be ready to tackle adjusting the picture which will require two people or your picture will not be square or centered. DMD boards usually run around $300.00
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