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Byline: Bill Husted
Mar. 25--QUESTION: You have suggested a backup power supply for projection TVs. Unfortunately I missed seeing the recommended size of the power supply. What do you recommend?
--S. Bingham
ANSWER: When I talked about using an uninterruptible power supply for projection TVs, I didn't discuss a way to determine the correct size. And it can be a little confusing. So I'll tell you how to do that.
But first, just to bring everyone up to speed, I've often recommended the use of a UPS for projection TVs. Here's why: In ordinary operation, when you turn the TV off, a blower runs for a few minutes to let the bulb cool down. ...