Question about Sony KP-46WT510 46" Rear Projection HDTV

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Whole screen has gone blurry with the red and blue showing 3 images together side by side

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  • Sony Master
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This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....


  • 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.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


whole screen has gone blurry - 7859b01.jpg

e87380c.jpg
whole screen has gone blurry - 69189a5.pngttp://i.fixya.net/uploads/images/69189a5.png" alt="69189a5.png" class="h_mi" />SOLUTION #1

For more more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Common 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 needswhole screen has gone blurry - 578ba6c.jpgchanged.

578ba6c.jpg
TV set after fluid change

65af323.jpg

69189a5.pngSOLUTION

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Posted on Apr 21, 2011

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2 Answers

My Sony KP-46WT500 screen shows the tv image in blue only for a few seconds, then it goes completely blank (as if it were off). Do I need to replace the bulbs?


It is rear projection TV that use 3 picture tubes of red-green-blue to show color picture on tv front screen.
Do you see standby red light blinking when TV shuts off after showing blue image for a while?
If red standby light is blinking, please count it how many times it blinks, there would be 3 seconds pause between blinks so count pause to pause and post it here to find out possible solution.
Thanks.


Dec 22, 2009 | Sony KP-46WT500 46" Rear Projection...

1 Answer

Pictureis blurry and bottom of screen is wavey


This is a common problem. Your convergence has gone out.

Common symptoms are...

1) 3D Video
2) Warped Video
3) Convergence menu does not adjust the red or blue correctly.

Go here for a solution...

http://www.fixya.com/support/r2861627-updated_convergence_problems_amp

Sep 06, 2009 | Televison & Video

1 Answer

Picture is blurry


this is a problem wit your stk392-110 convergence IC's - One has gone bad and the both should be replaced. Also, check the large resistors near the convergence IC's - it sounds like one of them may have burned up..

Feb 02, 2009 | JVC AV-56WP30 56" Rear Projection...

3 Answers

Philips 60P8342 picture blurry with orange tint


Your TV most likely has one of two 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.

Oct 30, 2008 | Philips 60P8342 60" Rear Projection...

1 Answer

I have a red and blue shadow in my picture


i think you need a new convergence board they rin from about 88.00 to about 140.00

Sep 08, 2008 | Akai PT5598HD 55" Rear Projection...

1 Answer

BLURRY SCREEN


What do the colors look like? Does it look like you have more than one image, and the trailing edge of the second image is in a primary color like red or blue??
Bill

Dec 01, 2007 | RCA P52926 52" Rear Projection Television

2 Answers

Has a shadow on picture. Red, Green is not alligned


You need to set your convergence. Check your owner's manual on how to do it. I'm not sure the exact procedure on that model, but usually you can find it in the setup menu of the tv. What you're trying to do is line the red and the blue up perfectly with the green so that they all blend together to give you one picture.

Oct 20, 2007 | Hitachi 61UWX10B 61" Rear Projection...

1 Answer

Blue and red lines..


alignment of the covergence board ,you must enter the servicemode to adjust.set on psess mute 1-8-3 .press enter to save your settings.

Aug 18, 2007 | Samsung PCN5425R 54" Rear Projection...

1 Answer

Blurry Image problem with Mitsubishi WS-55805


Hello, if you want I can supply you with the service manual, please leave your email. Best regards, Arpi

Aug 14, 2007 | Mitsubishi WS-55805 55" Rear Projection...

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