Question about Sony KP-51WS500 51" Rear Projection Television

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My Sony KP-51WS500 television video shuts off audio keeps going

My Sony KP-51WS500 television video shuts off after about a minute or so and the audio keeps going. This was never an issue til I took the back off to blow dust out. I have looked this up and basicaly what I am gathering is the tubes are bad??... How can this be? Like I said it was fine til I took the back off.

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Blowing dust out? cough!! cough!!
If it was with a standard vacuum I would suggest that you have knocked or blown a wire off somewhere.
The normal vacs are usually too strong and can blow wires slightly off or completely off. A hand held should be used because they do not over **** or blow.

I doubt that the tube is bad,But the lamps may be compromised by overheating by virtue of blowing dust on them. Only a visual inspection will tell.

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Posted on May 29, 2010

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I have a Sony kp-51ws500 that shuts off and blinks 8 times, I'v read that some other people have had the same thing and it was the flyback transformer. Now my tv has just a green screen with no pi


No, the set is prone among other things to issues with the three picture tubes, go to unused video input----screen should be black with only the input label displayed-----in your case with Green screen and or slight diagonal trace lines (if there) the Green screen control itself needs to be adjusted slightly down.

I can tell you if you want how to do that---requires only a screwdriver and 10 minutes.

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51ws500 sony shuts down and standby light flashes 8 times


Eight blinks points to an audio output problem. The unit goes to standby and blinks the self-diagnosis code. Check IC406 audio amp, PS401, and 402. On some projection models of Sony TV sets, this code means that T8005 (flyback transformer), or the associative components in the high voltage circuits are defective on the D board.

Hope that helps.

Feb 20, 2011 | Sony KP-51WS500 51" Rear Projection...

1 Answer

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Sounds like from your description the Blue CRT ( picture tube ) is shorted. I believe they are no linger available. If in doubt, I would call a service company to verify this.

Nov 21, 2009 | Sony KP-51WS500 51" Rear Projection...

1 Answer

Sony KP-51WS500


sony has a problem with that model the pix tubes short not going to be worth fixing

Sep 02, 2009 | Sony KP-51WS500 51" Rear Projection...

1 Answer

KP-51WS500 when on it blinked 4 times and has redscreen


Typically if you have a all Red Screen it is caused by either the Red CRT being shorted or The Red CRT Driver Board being bad.

Jul 17, 2009 | Sony KP-51WS500 51" Rear Projection...

1 Answer

Why my screen turning red after minute of use


If the screen looks like the one in the link I posted, then you might want to try fixing it with what is suggested on the site. Keep in mind that this is a band aid fix which compensates for weakening components, however it "should" buy you some time. Don't do these adjustments if this is not the same problem you are having. If the TV shuts itself down, check to see if the blinking code is the same as the one in the web site.

http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

Hope this helps.

Apr 29, 2009 | Sony KP-51WS500 51" Rear Projection...

1 Answer

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9 times blink shows Audio Error in your TV.
Let me know if you want to fix it by yourself.

Feb 21, 2009 | Sony KP-51WS500 51" Rear Projection...

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