Sounds like your projection tubes are getting weak, and need to heat up for awhile before they're running at their optimum, considering their age.
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Yes, it makes the picture clearer
It is truly your opinion if you want HD projection with your TV or not. If you hate fuzzy pictures on your television and have the money to buy the TV, you might get HD projection but if you are happy with just a regular picture than you have no need for the HD TV.
Have you tried adjusting the settings on your tv like the contrast/tint/etc.? It might be a bad picture tube in which case you may need to get a new tv but without more details it's hard to know for sure what's going on.
Picture bowing and bending on a projection TV is usually caused by an out-of-spec power supply voltage that is not providing sufficient voltage for proper screen deflection. Seek qualified service for this unit.
If the picture is "snowy" you have the TV on the wrong station.
the outage probably drained your projection tv out of power, sometimes, it happens, sorry to hear that, projection tv's are rare these days, Happy Christmas!
Does it even turn on? Is it the projection lamp type or a flat panel LCD set? If it's the projection type, you may have a lamp that's finally gone out or a bad ballast unit. The other things that can cause no picture is if you have the wrong input selected on your set via the remote control by which, the TV is looking at an input where's there no signal present. Most TV's though, should display something though, such as, `input 1', `input 2', etc.
The CRT refers to cathode ray tube. This is the oldest of the varous TV types. More recent developments have been projection, plasma, etc.
This happened to me as well. It started after a breaker blew. The way I fixed it was to disconnect the tv from a power source for about a minute, then plugged it back in. Hope that helps!