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

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Sony kp-57ws500 Is there anyway to order an individual RGB tube or a set of the three? Sony's website says they are discontinued.

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You could find a place on the internet to rebuild all 3 crts

Posted on Oct 31, 2007


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I have a Sony KP-57WS500 57 in. Rear Projection Television with the color red tube not working i want ot know how much 4 a new one and how hard it it is ti change.

Sony does not make the tube available. They want you to remove the Red CRT with the Optic coupler and send it to them so they can remount a new CRT to the old Optic Coupler and they will send it back to you. This usually cost $300.00 to $400.00. It is a major tear down to remove the CRT and there will also ba a alignment of the convergence after the CRT is reinstalled. If you are really interested in doing this, let me know and I will do my best to give you instructions. Something else to consider is that the other 2 CRT's will likely need replacing soon. It is a lot of money to put into a older set that Sony is not supporting anymore. When you add up the parts cost alone for all three it is $900.00 to $1200.00. With the prices of LCD panels coming down in price you could replace the set for the cost of the parts alone.
I hope this helps,

Dec 12, 2010 | Sony KP-57WS500 57" Rear Projection...

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I need a pricing on a red tube for a sony KP-57WS500

Prices changes all the tmes.Try website for buying refurbishes DLP CRTS Tubes.

Aug 11, 2010 | Sony KP-57WS500 57" Rear Projection...

2 Answers

Sony KP-57ws500 Projection lamp

There is no projection lamp in this TV. It is a 3 picture tube style rear projection.

Dec 04, 2009 | Sony KP-57WS500 57" Rear Projection...

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What is the "blue tube"

In the older Projection sets, they have 3 picture tubes, RED, GREEN and Blue. I suspect your having the old classical case of a bad Blue tube in a Sony. I took the liberty of looking up the part number for you and it is
8-733-647-35. I also checked availability----No Longer Available and not available for back-order. I think it's time to go shopping for a new set.

Oct 14, 2009 | Sony KP-57WS500 57" Rear Projection...

3 Answers

Sony kp-57ws500


Jan 07, 2009 | Sony KP-57WS500 57" Rear Projection...

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Blue screen flashes and the tv shuts off

You will need a service manual you can get one here it could be the tube, video or numerous things. Your service manual is available at the following link. Plus online support

Jan 07, 2008 | Sony KP-57WS500 57" Rear Projection...

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There's a known issue with this set due to defective rgb tubes...
See this forum:

Dec 29, 2007 | Sony KP-57WS500 57" Rear Projection...

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Green tube goes out
· Which models are affected with the "flicker" problem?
A1: There are 12 models in total: KDP57XBR2, KDP65XBR2, KP46WT500, KP51HW40, KP51WS500, KP57HW40, KP57WS500, KP57WV600, KP57WV700, KP65WS500, KP65WV600 and KP65WV700.

Dec 27, 2007 | Sony KP-57WS500 57" Rear Projection...

2 Answers

How to change CRT in Sony KP-57WS500

CRT is expensive!!! Try to shuffle the electronic parts driving the CRT tubes first, it has three sets of parts, all are the same in each color: red, green, blue. Sometimes cleaning the leads or metal parts of the circuits, specially the green region, will gonna solve the problem. Do it first, it wont gonna cost you a dime, just time. [:0)

Nov 12, 2007 | Sony KP-57WS500 57" Rear Projection...

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