Question about Sony KP-57HW40 57" Rear Projection Television

3 Answers

Television is seperating and distorting colors

Example: a line of text will appear normal but will be duplicated in blue curving partially below the original.
Most images on the screen will have yellow or blue "shadows."

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  • scottjustin Jan 13, 2009

    the station symbol ( cbs eye, nbc peacock) there are two of them one red and one blue...ine the middle isnt bad except you can see all colors around everything, and the top left and bottom right of the screen have no colors and lines through the picture the top right and bottom left have pefect picture and then from there it progressively gets worse (as in outlining in all colors)...before all of this happened i would turn on the set and it would slowly turn to a complete blue screen and i adjusted it with the knobs behind the speaker cover...could that have a had a affect on the screen doing what it has done now?

  • Anonymous Jan 17, 2009

    I have the same situation.  Yesterday the KP-57HW40 worked fine and last night it appears as if the colors are slightly off center.  I have shadowed colors on the left hand side of the set where the items on the set are doubled up in two colors, slightly separated.  Not sure how to adjust or what to do about it.

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Heyitsbob

Sounds like you have a convergance problem You could go through the adjustment procedures in the owners manual. I can get one if you dont have a copy.
But if it just started out of the blue, something hase failed in the set and you will need to get a technician to have a look at it.

It is not a faulty tube... sheesshhh

regards
robotek

Posted on Jun 22, 2008

  • Graeme Ross
    Graeme Ross Jun 22, 2008

    You can make enquiries for support at Sony's website here

    Of course, if you are up to it, I could talk you through the repairs needed. I must warn you that there are dangerous voltages inside the set that can injure or kill you. Getting a tech to look at it is the best bet.


  • Graeme Ross
    Graeme Ross Jun 22, 2008

    You can download an electronic version of your user manual here

    On page 33 it has details of how to do a "flash Focus" which is an automatic procedure for setting up your convergance. Flip open the front panel and press the "flash focus" button. Let me know what happens


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Could someone send me a copy of the service manual at wsimpson@controlssupport.com

Posted on Aug 06, 2008

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There is some problem with your picture tube

Posted on Jun 22, 2008

  • gopinath pasupathy Jun 22, 2008

    if you dont have problem with your picture tube try this

    That looks like retrace lines. Anyway, you should try to adjust screen pot not focus pot. Make sure you are turning blue screen pot (there are 3 focus pots and 3 screen pots) and do it slowly. If you turn it too much, it will affect your grayscale

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Your TV most likely has a Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
701cb04.jpg
77ea520.jpg
f0900cb.jpg

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together convergence repair kits for most models.

The kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, etc. Everything you will need to do the repair yourself.

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2 Answers

3-d like picture


Your TV most likely has one or more possible problems.

Problem #1: Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
701cb04.jpg
77ea520.jpg
f0900cb.jpg
Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.


Problem #2 CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

65af323.jpg

2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.

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1 Answer

Shadow images and scrolling banner curves upward and back down.


Your TV most likely has one or more possible problems.

Problem #1: Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
701cb04.jpg
77ea520.jpg
f0900cb.jpg
Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.


Problem #2 CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

65af323.jpg

2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.

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2 Answers

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Here are some of the most common symptoms and example photos of a convergence problem

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
701cb04.jpg
77ea520.jpg
f0900cb.jpg

Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence section.

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.


2c07611.pngSolution


You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick email and they will put one together for you. Their kits includes photo instruction guides, original Sanyo STK chips, convergence resistors, pico fuses, etc.

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