Question about Sony KP-57WS500 57" Rear Projection Television

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KP-57WS500 Could you tell me where are the convergence yokes on each tube?

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Those are the small yokes with the rings, there should be a board on each one of the yokes called V boards

Posted on Jun 23, 2008


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I have a sony kp-57ws500 and the images are randomly destorted now, looks like they are almost 3d.. red blue black yellow and green. help me please

Your TV has whats known as a convergence failure which is common. You will need to find and replace the convergence parts to fix it. You can get the parts and step by step instructions from sites such as

Jan 16, 2012 | Sony KP-57WS500 57" Rear Projection...

1 Answer

The color is off on the TV. I have I blue line like a shadow. what could it be?

the convergence of blue tube inside you T.V. has a problem..
convergence controls the alignment of three tubes
maybe some capacitors has leak
or vary their capacitance.
it can be adjust but only for those experienced technician.

Sep 02, 2011 | Sony KP-57WS500 57" Rear Projection...

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How much would a picture tube $

You can get the complete CRT assembly for that model from they are listed under Projection Tubes CRT and your model uses the same as the WS510 models they are 115.00 and include the CRT, Lens and coolant chamber and the yokes and CRT drive board.

Aug 25, 2011 | Sony KP-57WS500 57" Rear Projection...

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Can I manually adjust the convergence on a Sony KP 57WS500

that model has an auto focus so if thats not correcting the issue then the ICs will need replacment. The sony type 1 convergence repair kit from should solve the issue.

Feb 22, 2011 | Sony KP-57WS500 57" Rear Projection...

1 Answer

How do you realign the picture tubes?

there should be a convergence menu in the main menu and you align it that way. you should never move (or have to move) the tubes themselves.

Dec 17, 2009 | Sony KP-57WS500 57" Rear Projection...

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Need convergence tubes price and where to order

Hi, set doesn`t have "convergence tubes", it has 3 picture tubes and it has 2 convergence IC`s post the symptom you see on the screen or tell us where you got the term "convergence tubes". If it needs all 3 tubes the set is not cost effective to repair as they are veeery expensive to buy and you WILL need an experienced tech to install them and then align them, convergence repair here in central florida runs about 275.00, price for your area may differ greatly, send us more info if this doesn`t help, video-tek

Jul 01, 2009 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Convergence IC`S

Let me know do you have related service manual of Sony KP-57WS500 to guide you further?
Without service manual it would be difficult for you to understand our directions like what to check and where to go in TV etc.

Sep 30, 2008 | Sony KP-57WS500 57" Rear Projection...

1 Answer


did you check the huge resistors in front of the heat sinks? If so the next items to check would be the velocity boards that are attached to the convergence yokes on each tube the resistors on those boards could be open as well.

Jun 22, 2008 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Blure crt tube

Service manual explains how to do this..
The KP57WS500 service manual explains how to replace crt and perform convergence:

Dec 21, 2007 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Sony projection blue double vision KP-61XBR48 mod #

Joe, did you have a tech confirm it`s the yoke? Not a common problem to have a yoke failure, maybe yoke return resistor(s) or possibly bad convergence IC`s, poor signal from DCU (digital convergence unit).

Nov 29, 2007 | Sony KP-53XBR45 53" Rear Projection...

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