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

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65 in sony projection tv

The picture has hour glassed .ghosting horizontally, the convergence is outta wack. i had a problem before with the convergence and i replaced a stk and it worked fine for a couple of months. now the convergence is bowed on the top and on the bottom while the center is ok

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Defective convergence PC board. Must be checked by pro/tech

Posted on Apr 23, 2008

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My color focus is all outta wack. maybe its the a convergence problem?


depends on exact model number but a kit (someone like TV parts .com) sell a kit for this---individual parts are usually cheaper but some real soldering etc is involved as set uses two chips if it is a older rear projection set and does NOT use a lamp but has 3 picture tubes.

Oct 14, 2012 | Televison & Video

1 Answer

Blue screen for about a half hour and then still blueish color


Tv have a problems known as a convergence problems,it dead.The tv colors lines R,G,B mis alignment,have colors shadows pictures or 3D look pictures.The tv convergence board the 2 STK convergence ICS and some or all it resistors are dead.These parts,must be replaced on the tv convergence board to solved the tv convergencce picture problems.The shop,will cost u $300-350 for parts and labors.

Oct 20, 2010 | Sony KP-65WV700 65" Rear Projection HDTV

1 Answer

Sony 51" Rear Projection TV is blurry with colored ghost images


Thats caused by a convergence failure. The Sony type 1 convergence repair kit from www.tvrepairworld.com will usually correct that issue the kit contains the components and the CD with repair instructions so you can repair yourself.

Dec 20, 2009 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

Red and blue ghosting,


The most likely cause is shorted convergence chips and possibly a few pico fuses.

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony,Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer2_bing.gif Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2
Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

You can see some more examples and find a fix herebb0cf99.png http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Jul 12, 2009 | LG RU-52SZ51D 52" Rear Projection...

2 Answers

Convergerence will not get rid off my ''red ghosting'' problem


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.
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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.

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TV set after fluid change

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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.

Nov 18, 2008 | Panasonic PT-47WXC43 47" Rear Projection...

1 Answer

Toshiba 43H70 Picture Problem


Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
Sony Convergence
http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/
http://www.techlore.com/article/19631/Sony-Convergence-Procedure/

Jan 28, 2008 | Toshiba 43H70 43" Rear Projection...

1 Answer

Convergence


convergence ic bad.
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Jan 06, 2008 | Akai PT4298HD Rear Projection Television

2 Answers

C Color is way outta wack on my 56 inch pilips rear proj tv. HELP


http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Oct 28, 2007 | Philips 60PP9352 60" Rear Projection...

2 Answers

Zenith 46" with a "hour-glass" picture.


If the hour glass figure is a seperation of colors that appear to be convegence mis aligned, then, the convergence ICs would be the problem. If the picture is clear and you have a bending on the sides then the pincusion circuit in the horizontal circuit is where to look. Be careful of this circuit, it does control the high voltage. The only way to have a board checked is to have an Authorized Service Center look at it. It does, however, sound like there is a cold solder joint in the power supply that has gradually opened up and now is permanantly open. Call Zenith (LG) to see who they recommend.

Mar 25, 2007 | Zenith Z46Z83D 46" Rear Projection...

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