Question about Sony KP-57WV600 57" Rear Projection HDTV-Ready Television

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Blue screen on my sony kp 57wv600

My big screen has started to blue, it would work for awhile and has gotten to the point where it's blue all the time !!

I don't have alot of money right now and would like to fix this problem if possible ??

I'm very capeable to work on it I just don't know where to start ??
any help would be greatly appreciated !

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Convergence ic needs to be replaced to make it clear.

Posted on Nov 26, 2008

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>>Front shot of the television. Their are two screw holes on the front of the unit near the edge of each side right next to the speaker grille.
>>Close up shot of the screw hold. It is covered by a plastic cover that has two tabs holding it in. Carefully pry them out with your flat head screwdriver. Do not apply too much pressure or you can break the tabs off. Once the covers are removed, unscrew the two screws with a Philips screwdriver.
>>To remove the cover, pull from the bottom of the front case and rotate towards you. Once you rotate it out, the top will disconnect and come loose. Do not pull it off, as there are cords attached. (see picture) Loosen the cables attached with the twist ties and set the front cover to the left side.
With the speaker grille and cover removed, you now need to remove the wood panel to expose the inner electronics on your Sony HD TV. To do this, remove the four Philips head screws from the panel. Then, pulling from the right, rotate the panel off and the electronics will be exposed.
>>This is a picture of the inner electronics of your Sony Rear-Projection High Definition television. The little black box towards the front of the unit is where we will concentrate our time as it is the control for the voltage & convergence adjustment.
>>When focused in on the controls, you want to concentrate on the bottom row for the voltage / ray gun projection adjustment. The colors are labeled below and from left to right are blue, green, and red. Choose the one that needs to be adjusted and turn ever so slightly with your Philips screwdriver to remove the lines. In my case, the red just needed to be turned 1/8 of a rotation to be back in adjustment. Do not turn to quickly or abruptly or you could possibly damage your TV by varying the voltage too quickly.

Posted on Nov 26, 2008

  • debroy
    debroy Nov 26, 2008

    >>Front shot of the television. Their are two screw holes on the front of the unit near the edge of each side right next to the speaker grille.
    >>Close up shot of the screw hold. It is covered by a plastic cover that has two tabs holding it in. Carefully pry them out with your flat head screwdriver. Do not apply too much pressure or you can break the tabs off. Once the covers are removed, unscrew the two screws with a Philips screwdriver.
    >>To remove the cover, pull from the bottom of the front case and rotate towards you. Once you rotate it out, the top will disconnect and come loose. Do not pull it off, as there are cords attached. (see picture) Loosen the cables attached with the twist ties and set the front cover to the left side.
    With the speaker grille and cover removed, you now need to remove the wood panel to expose the inner electronics on your Sony HD TV. To do this, remove the four Philips head screws from the panel. Then, pulling from the right, rotate the panel off and the electronics will be exposed.
    >>This is a picture of the inner electronics of your Sony Rear-Projection High Definition television. The little black box towards the front of the unit is where we will concentrate our time as it is the control for the voltage & convergence adjustment.
    >>When focused in on the controls, you want to concentrate on the bottom row for the voltage / ray gun projection adjustment. The colors are labeled below and from left to right are blue, green, and red. Choose the one that needs to be adjusted and turn ever so slightly with your Philips screwdriver to remove the lines. In my case, the red just needed to be turned 1/8 of a rotation to be back in adjustment. Do not turn to quickly or abruptly or you could possibly damage your TV by varying the voltage too quickly.

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The red and green lamps at the back of the unit have blown and need to be repaced


kind regards

Posted on Nov 26, 2008

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  • Lee Hodgson
    Lee Hodgson Nov 26, 2008

    the lamps are just like normal screw type light bulbs, you will find it quite easy to replace them

    regards


  • Lee Hodgson
    Lee Hodgson Nov 26, 2008

    unplugging the TV from the mains is not going to help, rear projection tv's display a picture using the 3 primary colours, red, green and blue, if the only colour on the screen is blue then the lamps have blown.
    As with standard lights they only have a short life cycle and blow when the element burns out


    best regards


  • Lee Hodgson
    Lee Hodgson Nov 26, 2008

    take the back off the TV and look at the bulbs while the TV is on to see if this is the case, do not touch anything in the TV while the TV is on




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First unplug the device for sometime from the main power scource for sometime then replug.

Posted on Nov 26, 2008

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