Cannot power my apple tv first generation. When I do, I get a bliking amber light that last a few seconds. If I wait a couple of minutes and power the unit again, the same thing happens.  Is this an indication that there is something wrong with the power supply, or can it be something else that I should replace?

My problem with my apple tv first generation is that it will not power up. When I do, an amber I get am amber light that blinks a couple of times and then shuts down. If I wait a couple of minutes and power it up again, the same thing happens. Is this an indication that the power supply needs to be replace or could it be something else?