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Troubleshooting Shutdown Problems

Shutdown problems are defined as what happens when you turn the TV on, and it turns itself back off.  Often, there is a blinking light or some other diagnostic indication.  This occurs because the set's protection circuits have detected some problem and turned it off to prevent damage.  Different manufacturers have different diagnostic codes, so you can use these links to see the page for your particular type of set:

If you have a DLP or an LCD Projection TV, a bad lamp can also cause shutdown.  If your set is one of these types, also check out the lamp symptoms under DLP/LCD Picture Problems.