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Just a shot in the dark- I think your main projection lamp is going bad- If the set is more than a year or 2 old it can happen. Unfortunately they are a little expensive.
How is the brightness level after it warms up??
Lcd tv sets are lit by small glass florescent tubes called cold cathodes and, are powered by: ballasts called inverters... these go out just like your office florescent lighting the parts can be purchased online from electronic parts houses and, are easily replaced
I've been looking into this myself as I've also recently purchased the KDL-40W4000. I was watching a murky old film and was getting a bit of sludgy ghosting but found that by reducing the contrast to 25, setting the backlight on low, colour on neutral and the brightness about 40-60 (and taking ALL advanced noise functions off), this reduced the ghosting considerably.
BUT, this is quite a cool and dark image. If you watch standard TV and films mainly, a variation of the Cinema setting is probably the best overall setting i.e.
backlight: min
contrast: 79
brightness: 50
colour: 53
colour temp: Warm 2 (although Warm 1 is less yellow and still fine)
sharpness: min
noise reduction: off
mpeg nr: off
contrast enhancer: off
colour space: standard
Man, there are a ton of people on here that are having problems with Polaroid LCDs. If your TV is that new, it is definitely going to be covered under warranty and I would call them and tell them what exactly is going on with the TV. Their Customer Service Hotline number is 1-800-605-5364. It's ridiculous that the TV is only a couple months old and already the picture is going out. You would think after spending all that money you would have a TV that would work great for years!! Hope this helps...
Yes, they dim as they age, and you've done well to get 3 years out of one.
Projection TV makers charge an arm and a leg for their replacement
lamps. They make it easy to do but as a result the custom lamp
assy is expensive. The trick is to just buy the bulb for your
model TV from any number of us aftermarket sources at a fraction of the
lamp price and install it in the old lamp yourself. really
easy.
The picture is very dark
it is mostly due to
1 power supply output is low.
2 voltage on crt g2 pin is low.
3 video output supply is low.
4 some components in luminance section might be defective or loose.
5 finally crt getting weak is set is old.
good luck
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