I replaced the lamp and the picture looks great. After five days, though, it has developed a new problem (that didn't happen before). Now it will just cut off every 5-15 minutes; the power button flashes red, the screen darkens and it goes off as though someone shut it down. I have rebooted the satellite system and changed power strips but it still cuts off after 5-15 minutes. Once I hit the "on" button it comes back with a great picture but doesn't stay on for long. Any advice???
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