Question about Sony KP-53S75 53" Rear Projection Television

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Sony KP-53S75 blue convergence problem...

I have tried Flash Focus and it didn't merge the blue ghosting...Any suggestions? my wife moved the t.v. while it was on maybe about 2 inches and immediately the screen started to have a blue ghosting which appears to be more evident along any white part of the picture

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What about settings cool med warm ? did sumone chage those

Posted on Jan 18, 2008

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SOURCE: Sony KP-53S75 blue convergence problem...

Good Day, Martin Ping;

Picture won't merge? It sounds like your TV has had a failure in the CONVERGENCE CIRCUIT by replacing those IC's should correct your TV's problem.

Good Night and Luck, big IRISH.

Posted on Aug 16, 2008

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My sony tv kp-57ws500 the words and items are sligtly curved down at the bottom (at the left and right side and OK in the middle) and curved up at the top (same where up at left and right and ok in the...


You need to replace the convergence IC's in the set. Part number STK 392-560. Two of them. They have to be unsoldered and solder in new ones. You must have advanced experience to get the job done. I suggest you get a TV technician.

May 30, 2011 | Sony KP-57WS500 57" Rear Projection...

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IMAGE GHOSTING


Have you tried the auto converge or flash focus adjustment? This feature allows you to adjust the convergence automatically. If it doesn't work,convergence circuit is faulty. You need to replace the convergence kit, To do this you need some basics on electronics.

Feb 01, 2011 | Sony KP-46WT510 46" Rear Projection HDTV

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Words and many images have shadows, or ghost-like images. In the past, the flash focus corrected the problem, but now it doesn't


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 projeciton 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 photos of convergence problems.

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Here is a quick test....

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

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

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

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from TvRepairKits.com or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

Jan 14, 2010 | Sony KP-61S70 61" Rear Projection...

1 Answer

Flash focus wont line red n green .... conversion problem ? I hav back off and red green blue all lit.


Try the manual convergence adjustment in the menu,if that does`nt work then you may have conv. modules problem. good luck

Nov 02, 2009 | Sony KP-53S75 53" Rear Projection...

1 Answer

Sony projection TV colors out of alignment


Solution:
You have a convergence problem. Here are some of the most common symptoms. 

Screen looks 3D
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed in but stationary.

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. 

>>>Solution<<<< 

You need to replace the convergence chips and convergence resistors. 

Check the site www.TvRepairKits.com.
They have put together a kit for your exact model. The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc. Everything you need to fix it yourself. 

Feb 02, 2009 | Sony KP-51WS510 51" Rear Projection...

1 Answer

Tv 53S75 projection


This is a problem with the convergence circuit. If you can solder, you can fix this yourself. Try resoldering the pins on the convergence ICs. If that fails to resolve the problem, replace the ICs. These are large black Ics attached to a heatsink and should be marked STKxxx. They shouldbe available for $15-$25 each.

Keep us posted.
Dan

Jun 25, 2008 | Sony KP-53S75 53" Rear Projection...

1 Answer

Sony KP-43HT20 convergence problem


Replace STK-392-110s or 150s upgrade with 180s replace both ics.

Jan 04, 2008 | Sony KP-43HT20 43" Rear Projection...

1 Answer

Sony KP-53S75 blue convergence problem...


Good Day, Martin Ping;

Picture won't merge? It sounds like your TV has had a failure in the CONVERGENCE CIRCUIT by replacing those IC's should correct your TV's problem.

Good Night and Luck, big IRISH.

Oct 25, 2007 | Sony KP-53S75 53" Rear Projection...

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