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

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Kp-57ws500 hi I just picked up a sony kp-57ws500 and it lights up blue then powers off after a while took back off blue crt lights up only after about a minute unit powers off

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  • svarieur Dec 09, 2007

    when I have the back off you can see them come on very dim but fade to nothing the blue crt gets very bright then unit powers off

  • Anonymous Dec 09, 2007

    SAME PROB AS THE OTHER PERSON LISTED EXACTLY WILL TRY AND REPLACE THE BLUE CRT

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Try adjusting the power of the blue crt by the controls behind the board in the front of the tv, should see 6 dials, 3 focus and 3 power, lower the blue and it may do the trick for ya, it did for me.

Posted on Dec 10, 2007

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Do either the red or the green crts come up at all?? If not the heaters in the blue crt could be bad - loading down the HV and the shutdown circuit turns the set off.. Only repair for that is to replace the blue crt, but I would have it tested first.. In the shop here we use a B&K467 to test for shorts and emission leaks but that's old school.. B&K has since come out with far superior crt tester/rejuvenators..
Bill

Posted on Dec 09, 2007

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Related Questions:

1 Answer

Screen turns blue and suddenly tv shuts off....red light on front blinking


The Blue CRT is the most likliest cause and will need replacement.You can verify by removing the Blue CRT drive board if the set powers up and stays on you will know the Blue CRT is causing the shutdown.

Feb 16, 2011 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Sony kp-57ws500 flashes blue, green, red then turns off


Re-insering the flyback wire is usually very easy. Push in and give a slght turn and check to see if grabbed. It sounds as if there is more issues than flyback wire. TV should turn on without one crt connected

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

1 Answer

The screen on my Sony wide projection tv is turning blue after a few minutes. can you help? the model # is KP-57WS500


This is a typical bad CRT. The blue CRT part number is 8-733-647-25 but they are no longer available. It is not uncommon for this eventually to happen to the other CRT's as well. The only fix is to have a technician pull the defective CRT and have it sent to a company called VDC for rebuilding.

Nov 11, 2009 | Sony KP-57WS500 57" Rear Projection...

3 Answers

Sony kp-57ws500


YOU HAVE A BAD CRT. CRTS ARE NO LONGER AVAILABLE FOR THIS SET. REPAIR COST WAS $1200-$1500
30 YR SERVICER
APGONZO

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

1 Answer

Sony kp-57ws500


you need a new green CRT, sony has had some problems with the green and blue crts developing shorts . Let me know if you need further assistance.

May 09, 2008 | Sony KP-57WS500 57" Rear Projection...

2 Answers

The screen is blue all over


Check if your red CRT and green CRT lights up or not. If it doesn't light up your CRT is no good. Because its a damn sony the picture tube is $350. I advice the people not to buy sony.

Apr 16, 2008 | 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...

1 Answer

Sony kp-57ws500


Probable bad blue CRT and if blue goes bad guess what might
happen to the red and green.........T.

Nov 07, 2007 | Sony KP-46WT500 46" Rear Projection...

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