Question about Sony KP-53V75 53" Rear Projection Television

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I have a Sony KP-53V75 projection tv and there is not color on the screen. All three color guns are functioning and the convergence works. Why am I not getting a color picture on the screen?

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Sounds like you are having problems with the luminance and chroma circuits.go into menu and check the settings. If they are ok, then you maybe making a trip a repair center

Posted on Sep 08, 2009

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Posted on Jan 02, 2017

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I'm having trouble adjusting the picture. The left half is clear while the right half is blury.


All projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both.

Common Problem #1) Convergence has gone out

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

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.


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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 needs the fluid changed.

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TV set after fluid change

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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

Jan 13, 2011 | Sony KP-53V75 53" Rear Projection...

1 Answer

My sony kp 53v75 projection tv has an issue right now. The screen has lines that run horizontally across the screen that slightly distort the image. They move up and down slowly on the screen, Is there any...


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

Nov 22, 2010 | Sony KP-53V75 53" Rear Projection...

1 Answer

I have a kp-51ws500, that comes on the colors get wierd then it shuts off, any ideas? Lamp?


Not Lamp, it is problem of convergence output ICs failure. KP-51WS500 is rear projection tv that has 3 color tubes to make picture, this tv does not have Lamp as light source in DLP tv.
Replace convergence output ICs to fix the issue. Local tv repair shop will help you if you have no experience in electronics stuff fix.
Thanks.

Jul 27, 2010 | Sony KP-53V75 53" Rear Projection...

1 Answer

My sony color rear video projector tv has fuzzy picture & colors seem to un together


I think it something wrong with the convergence circuit, two STK ICs need to replace, the Generic part # like STK394-160E. you can check on the IC. The price approx $35.
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Apr 28, 2010 | Sony KP-53V75 53" Rear Projection...

2 Answers

Projection problem


projector alingment is out have it realingened or get a real tv

Dec 10, 2009 | Sony KP-53V75 53" Rear Projection...

1 Answer

For some reason the projection does not fill out the entire screen its bow tied in the middle how do i fix that im pretty handy


Projection TV sets have two common problems. The first is known as a convergence problem. Common symptoms are....
  • 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.
The other common problem is cloudy CRT fluid in the lens.

Common Symptoms - you TV may have one or more of these...
  • Dull Video
  • Bright video - whiteish
  • Redish video
  • Halos around objects
You can see some example photos and find a solution here...

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Nov 27, 2009 | Sony KP-53V75 53" Rear Projection...

1 Answer

Picture and writing in 3d


replaced both convergence ics.the red green and blue colors are not converging.these ics are two big black ics.

Jul 28, 2009 | Sony KP-53V75 53" Rear Projection...

1 Answer

Turns off after 30 seconds


i think the convergence amps are weak, or the akb circut has caused the tubes to go bad, google your model number to see if it is in the tube problem. sony made some projos w/ bad tubes in them. tv lasts only three or four years,no cause i had one

Jul 10, 2009 | Sony KP-65WS500 65" Rear Projection...

1 Answer

Blue convergence is off right will not adjust


Hi. there is a malfunction that has occurred within the convergence chip that is located on the PC board(demod). this is a Hybrid chip that controls the calibrations of the RGB streams. If this chip becomes unstable, it will not allow proper calibrations.

Replacing this failed chip will fix this issue.

The actual sony chip is not available at this time but, there is a compatible chip that will work with your set. i will post a link to the affected part below.

CLICK HERE FOR YOUR REPLACEMENT CHIPS

May 11, 2009 | Sony KP-53V75 53" Rear Projection...

1 Answer

2 separate colors on screen


sounds like your convergence IC's have finally gone bad.. they seem to last 5 years on average.. have a look here: http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Dec 19, 2008 | Sony KP-53V75 53" Rear Projection...

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