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Sorry about your TV. I would replace the color wheel. This is a common problem in samsung. I see that you say it is turning, but if it does't get to the speed it need to be. The TV will turn off. There is a sensor on the color wheel to make sure it speed is right.
I replace one to two and week that is either coming on and shutting down or not coming on at all.
Hello........I think you were on the right track with the lamp and the ballast........the colorwheel is not a big culprit on these newer models.......yes on the older ones.
First I want to besure you are using a genuine samsung lamp exact part number and the exact ballst new from the factory. If you have purchased the parts otherwise,you may have a part that was returned. Please recheck your steps and be sure all connections were made upon replace ment. On the ballast..........there is a small fine connector wich goes to the DMD (big silver module) be sure wires are connected on both ends and the cable is ok. The next suspect in my opinion if all this is ok would be the DMD board,but I have repaired every one so far with the exact lamp and ballast..........good luck..............Jim pls be sure the lamp door is closed and the internal switch is closed ........you may have to check or remount that black plastic besel
which came off for acessing the lamp