The color wheel on my 56" Samsung DLP began to make the tell-tale sounds of failure. In trying to troubleshoot the problem, I couldn't find any videos that captured the "buzz-saw" or "grinding" noises typified by a bad color wheel, so I decided to post my experience. Hopefully this helps someone out with a similar problem! -RaidenDirty
P.S. The following websites (forums) discusses troubleshooting a TV that won't turn on.
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