Question about Sony Grand WEGA KF50XBR800 50" Rear Projection HDTV-Ready Television

2 Answers

Color off - tried new (aftermarket) bulb - didnt help.

What dictates the color control on these sets?

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  • billhart Feb 11, 2008

    hmmmm...further research tells me that this is an LCD Projection TV which means a Light Engine, and NOT a Color Wheel. Does that make sense?

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2 Answers

Folks I have the KF-50XBR800 now for 5 yrs. It seems now the TV takes almost 2 to 4 mins to come on when I press the power button. I have replaced the lamp but no change. Also the color seem a little dull. Is this normal

Posted on Mar 28, 2008

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  • 8,617 Answers

Color wheel controls the color on the XBR 800

Posted on Feb 10, 2008

  • Sonny Berry
    Sonny Berry Feb 11, 2008

    light engine has a color wheel those are the ony sets that do.

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There is extra coloring? it kind of looks like one of those live action movies that they go over and make look cartoony, does that make sense? all major colors are have extra color in them and it isnt a...


Check the manufacturers suggestion on bulb replacement, if you are using an aftermarket brand, this could be the source of your issue. Good Luck

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CONTRAST ADJUSTMENT


it is best to shut the color level to the lowest setting then try t balance the screens to achieve the best black and white picture. then turn up your color level. Your brightness level should also be set to 50 % then when you adjust for the best B&W picture. You will have better color and brightness when you reset your color and brightness levels.

I am further looking into ur problem..

Goodluck..

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The colors are not sharp any more and they all blend in together, its either too much red or too much green or blue what can be the problem?


manual convergence should fix the problem if it does not the set most likely either has a bulb burnt out or a bulbs power / focus needs to be adjusted by taking off the panel and finding a 6 screw control panel

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should look like that 3 screws in a row on top of another three screws each of thees control the power and focus of each color this is a somewhat delicate process and is a huge pain on larger tvs that you cannot completely see the picture or color while you are directly under in front of it so I had my gf come in the room and sit across to let me know which color was doing what if you dont have someone you will need to check after each adjustment

now the diagnostic
as i said each screw controls a colors power and focus the focus is used if you see an outline of a color around pictures if everyone looks like a dead jedi with a blue aura around them the blue focus needs to be adjusted and so on for each color if you skies or blue screens seem feint your blue power probably needs to be turned up and so on for each color

if through the course of this you can see the bulbs and notice one is out your probably looking at dealing with the color issue until the time you can purchase a new tv as the cost of the bulb and the technician needed to install it as they are wired to a circuit board and requires technical knowledge and tools


hope this helped
Robb

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Color is off and there a light blue line through out the screen


manual convergence should fix the problem if it does not the set most likely either has a bulb burnt out or a bulbs power / focus needs to be adjusted by taking off the panel and finding a 6 screw control panel

...
...

should look like that 3 screws in a row on top of another three screws each of thees control the power and focus of each color this is a somewhat delicate process and is a huge pain on larger tvs that you cannot completely see the picture or color while you are directly under in front of it so I had my gf come in the room and sit across to let me know which color was doing what if you dont have someone you will need to check after each adjustment

now the diagnostic
as i said each screw controls a colors power and focus the focus is used if you see an outline of a color around pictures if everyone looks like a dead jedi with a blue aura around them the blue focus needs to be adjusted and so on for each color if you skies or blue screens seem feint your blue power probably needs to be turned up and so on for each color

if through the course of this you can see the bulbs and notice one is out your probably looking at dealing with the color issue until the time you can purchase a new tv as the cost of the bulb and the technician needed to install it as they are wired to a circuit board and requires technical knowledge and tools


hope this helped
Robb

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