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

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Sony model kp51ws500

Turns on the screen fades to blue and set shuts down the red standby light blinks 8 times then pauses then 8 times again

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  • steadfast24 Mar 26, 2009

    goood lookin homey that really did the trick thts wuts up!!
    i wonder how much tht usually cost??

  • steadfast24 May 11, 2010

    good look man

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Yes common problem it seems with these. I can help you get the set working but this fix only prolongs the inevitable so I'm told. (more about that at the bottom) Please read entire posting before starting. You will need to take off the front panel, there are 2 screws towards the bottom on each side behind little pop out plugs. Once those are out take off the panel (pull from bottom, sometimes the round clips at the top come off, either glue them back on the panel or leave them out). There are wires attached to the panel, you can either unhook them or just take them out of the "twist tie" holders and move the panel out of the way to the left. You will now see a thin panel. Remove this one also. Once that is off you will see the bottoms of the 3 glass tubes and on the "floor" of the set there is a group of 6 small knobs. This is called the focus block. Each row of 3 knobs are labeled either screen or focus, also, there should be 3 letters R G B (Red Green Blue). (We won't be adjusting the focus knobs).You will need to adjust the Blue screen knob (on my set it was the bottom left knob). If the set will stay on for a little bit you can adjust it with it on. Once you have found the correct knob (don't worry about the white paint) turn the set on, once you see the picture slowly turn the blue screen knob counter clockwise until the blue diagonal disappear. Be careful not to turn this knob too fast while the set is on. Keep in mind, it may take a little bit to break off the paint. You will see the screen turn back to normal as you turn the knob. Adjust it just until the lines disappear This should solve your problem. If the set won't stay on, with it off turn the knob about 1/8 turn counter clockwise then turn the set on. Once it is on you can fine tune it. Adjust it just until the lines fade out of sight. (You may have to adjust back the other way until the lines show up and then back it off again). Remember to turn the knob slowly. I have heard people getting charged a lot of money for this. I was also told that this is compensating for a dying component(s) all I know it has bought me at least a year. I also read that someone has gotten several years out of there set w/o repair just by doing this adjustment whenever its needed. (once the lines start presenting themselves). I can't see spending big money on these sets when you could put it towards a new set so I will keep it going for free as long as I can. I hope this works out for you. I'm tired of typing so good luck and post if you need any more help. BTW this adjustment works if this symptom presents itself in green or red also. Just substitute the blue knob to the applicable color. Now go put your TV back together :)

Posted on Mar 13, 2009

  • Joe1974 Mar 13, 2009

    I missed a word, the sentence was supposed to read the following,

    Once you have found the correct knob (don't worry about the white
    paint) turn the set on, once you see the picture, slowly turn the blue
    screen knob counter clockwise until the blue diagonal lines disappear.

    These lines are known as retrace lines. They show up when the tube is over driven. The set will shut down to protect itself from damage. By making that adjustment, you reduce the power to the tube allowing it to run normally.

    TO ALL VIEWERS: The info I provided was based on my experience with my set and info I obtained form other people. This tends to be a common problem on these sets, but does not necessarily mean that this is the problem with your set. I hope that the info provided helps you out, good luck.


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This worked...thanks for your help. We were ready to get rid of the tv thinking the CRT or bulb was bad. It works and looks better than ever. We hope it lasts!

Posted on Dec 05, 2009

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http://www.somelifeblog.com/2007/08/sony-tv-led-blinking-codes-what-does-it.html
Strange how some people have 5 blinks. Most with this problem have 8 blinks (like myself)

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http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html
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If you're bold enough to attempt that then good luck and please let us know if it worked.
Or another alternative is there's a whole lot of Boxing Day sales goin' on right now.

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