Video Signal Dropped when running slideshow screensaver

When I run the screensaver slideshow, the pictures display fine, but I loose the video signal from the mac mini after about 10 minutes. When this happens, I simply move the mouse and the signal comes back and I'm at the desktop.
The mac mini is connected to my Sharp Aquious LCD TV via the DVI port. The resolution is set to 1024 x 768 @ 60Hz.
Any ideas about what might be causing this or how to fix it?

Not sure what your application is, but if you are planning on running the screen saver 24/7, that would be a really bad idea. An LCD TV like the Sharp Aquos is backlit with flourescent bulbs that have limited life and running the TV around the clock will consume precious lamp life.

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