Question about Sony KP-51HW40 51" Rear Projection Television

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Green screen-flash-TV shuts down,then Blue same thing, then Red ,TV dead

Is it worth fixing. It seems by the answers to the same problem, it's not worth buying all three CRT tubes and having a tech throw them in. Sounds like a over $800 job.

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  • Anonymous May 19, 2008

    The TV flashes a green/yellow and then tv turns off

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I had the same prob almost a year after i purchased mine. i called and there was a recall on the color guns. they replaced and adjusted them at no cost. you might want to try this.

Posted on May 15, 2008

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Greetings onefligui,

It might be time to look for an upgrade. While you may have to pay a little bit more then 800 to get a comparable size, you receive more features including digital tuners, HDTV compatibility, different room configurations (think flat panel).

And with the digital conversion just around the corner it may be the perfect time to invest in newer technologies.

Hope this helps.
Jon
Go Ahead. Use Us.

Posted on May 13, 2008

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1 Answer

What makes a tv screen turn blue and shut off


Hello jamdevdm,

Welcome, and thank you for using FixYa!

To get to the point on your TV issue: the blue screen is the Blue Projection drive firing, but it would appear that non of the other colors are firing (Green and Red). It sounds like this TV will need some major diagnostics to see if the other Jets are dead or if the power control board is dead.
I recommend that you take this TV to a local TV Repair Shop and have it looked at, if it is worth it to you.
In most cases, a repair of the nature; it is just as cheap to replace the set than pay for parts and labor.

Have a great day!

Sep 11, 2011 | RCA Projection Televisions

1 Answer

TV click on and off.When it come on it has a green screen with lines. Stay on just for about 3 sec. than click off.


The green crt is dawning to much current, and that is why the TV is shutting down, if you remove the speaker cover, there is a focus block, that has six controls, on it three are for red blue, and green screen voltages, if you turn green down where the retrace lines go away, the TV should stay on, it is not worth fixing, you would be better off getting a new LCD.

Feb 11, 2011 | Mitsubishi VS-60707 60" Rear Projection...

1 Answer

Kp-65w500 green flash... led blinks 8 times


I am going to guess that model number is actually KP-65ws500

This is one of group of Sony sets that had bad picture tubes---red, green, blue----the tubes are no longer available and can only be obtained by removing the bad one and sending it out for rebuild (very expensive)

There is one easy thing you may be able to do to correct this problem---It involves no replacement of parts and is just adjusting the Green screen control---usually if this is the case when set comes on background will be somewhat (in your case) green---best way to see this is turn set on and have it on a unused video input---if screen appears somewhat green and has curved retrace lines--you may be able to turn the Green screen control down and continue to use the set---set will shut down if any of the 3 picture tubes pulls too much current--ie--goes to bright green, red or blue.

Let me know if you want to know how to attempt this


SD TECH

Oct 03, 2009 | Sony KP-65WS500 65" Rear Projection...

1 Answer

Turns green and shuts off


I had an electrician come over. He pulled out the bulb that was dead (for me it was the color that was flashing before it would turn off) and now I have a blue and green TV with no red. He said that the only way to fix it is to replace the red lamp with a new one.

Jan 16, 2009 | Sony KP-65WS500 65" Rear Projection...

2 Answers

Green screen and shut down


TV screen flashes with Red lights for few times. sometime it shut down TV or red color is lost showing pictures without Red looks terrible. Any solution

Sep 17, 2008 | Sony KP-51HW40 51" Rear Projection...

4 Answers

Blue Screen and TV shuts off


Here's a shortcut to what the blinking codes mean.
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)

I still have the blue-flash-then-shutting-off problem.. (8 blinks meaning voltage error) but I did fix the blue lines.. The lines across the screen can be very easily fixed whether they're blue green or red. . No, I mean REALLY easy. Took me longer to get the cover off. Once the front cover is off it takes 10 seconds. This link was also posted recently in one of the posts below as a solution..
http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html
(My lines didn't look like the ones in the picture mine were several evenly spaced blue arcs)

After some research I believe the flash/shutting off problem means the CRT is going. I've also read that it might be the D-board and I'm not even sure that that is... But If it is indeed the CRT then I'll let you know it's very difficult to find a replacement blue CRT as this part has been discontinued.. but I did eventually find an alternate to an alternate part (yes that's the 3rd alternate !)) online for $256. Here: http://store.tv-repair-service-salinas.com/8-733-649-35.html

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.

Jul 12, 2008 | Sony KP-51WS500 51" Rear Projection...

1 Answer

6 yrs old went dead


try unplugging the green CRT circuit board making sure the board isnt touching anything then try powering up the set. If it doesnt shut down the green crt is shorted. about 350 for a new tube.

Mar 11, 2008 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Red & green lamps shutting off leaving a blue screen


Could you show a picture of the distended cover you mentioned?

 

Were the light blue lines you were referring to, diagonal, or truly horizontal?

Oct 15, 2007 | Sony KP-57WS500 57" Rear Projection...

1 Answer

TV Problem with shutting off by itself


Mine just did the same thing.  Except for it was green instead of blue.  The service manual states 8 flashes from the light stands for an overvoltage.  After reading the manual for a bit I realized the bottom row of 3 adjuster screws from behind the speaker grill adjust the output for the red, green, and blue colors.  BEFORE OPENING ANY TV OR MONITOR PLEASE KNOW THAT THE VOLTAGE INSIDE CAN KILL YOU EVEN IF UN-PLUGGED so please be careful and only adjust what is mentioned here.  I un-plugged the tv, removed the grill and the board covering the internals, and carefully turned the 3 adjustment screws all the way down.  I then waited about 10 minutes (don't know if this made a difference).  I turned on the tv, turned the channel to an auxilary input (for a black screen), and slowly raised each of the 3 bottom screws one by one up clockwise until i could see a faint green, blue, or red line (depending on the screw), and then turned each one back a hair until the screen was black again.  Only adjust one at a time, the order for colors are blue, green, then red from the left.  I hope this fixes your problems.  Be careful when working inside a tv,  I suggest not using a screw driver to adjust the screws due to the possibility of it slipping and someone getting hurt.

Sep 16, 2007 | Sony KP-51WS500 51" Rear Projection...

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