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

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Red crt needs manual calibration

Anyone know how.. i have a sony kp-51ws500 that the red crt was going out. replaced and am now trying to calibrate.. but i need to know how to adjust the little levers on the tube..

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  • Ksmith3495 Apr 23, 2008

    Partstore.com item.. A1502023a
    was about $150 US bucks.
    got it in 3 days...

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You can download the service manual from here.

Posted on Apr 21, 2008

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I have a Red,Green and Blue Sony Crt rear projection TV. The Red and Green line-up perfectly,but the blue won't.
I tried the realignment button no good. What can I do to fix the blue?

Posted on May 01, 2008

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Where do you buy the RED CRT? The levers in that you need to be calibrating is the bottom right one.

There are two rows the bottom right is for RED. The middel is for yellow and the left one is for blue. You have to use the philips screw drive and twist it very slightly at a time to get it right.

can you tell me where did your find the part for the RED CRT and how much? Thank you!

Posted on Apr 22, 2008

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Posted on Jan 02, 2017

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1 Answer

I have a Sony kp-51ws500 I had the tubes fixed 3 years ago!! Now the blue screen flashes & shuts down the tv!! Also the red timer lite is blinking at the same time!!! I dont have the timer set!! Please...


The Blue CRT has shorted and shutting the set down. You can verify this by simply sliding the Blue CRT drive board off the neck without unplugging any of its wires, Just let it hang suspended and then try powering up the set. If the set stays on you will know the Blue CRT needs replacement.

Sep 19, 2010 | Sony KP-51WS500 51" Rear Projection...

1 Answer

The screen went completely red. What can I do to fix this issue? Thank you, Cindy Joyal


Turning the red CRT drive down a little bit will possibly provide a temp fix, But eventually you will need to replace the red CRT.

Jun 21, 2010 | Sony KP-51WS500 51" Rear Projection...

1 Answer

My red and blue crt go out and the green stays on


One or more of the CRT colors guns it dead,must be replaced.

Nov 03, 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

Sony KP-51WS500 tv went red screen on me it has 4 blue lines going across also has blinks 6 times.. what do you think this might be..


Off hand I would con dim the Red and Blue CRT"s. If you were to replace two of them I would also do the Green CRT as well. The cost of just doing two of them is way too expensive in my opinion and you would be better served to replace the set instead of investing the amount of money needed in a 6-8 yr. old set.
Hope this helps,
Skyassoc

Jul 15, 2009 | Sony KP-51WS500 51" Rear Projection...

1 Answer

Sony projection TV when turned on a solid red line across screen when turned of a flash of red and until the tv is warmed up red ghost letters behind the normal black ones


Hi, you will have to replace the convergence circuit board on this unit. it is failing to calibrate the rgb stream.I'm sensing signal board failure as well.

Mar 08, 2009 | Sony KP-51WS500 51" Rear Projection...

1 Answer

Sony KP-51HW40 51


the lines is just the tuning in the front.. remove cover and tweek.. but mine did the red flash and would go off.. so i just replaced the red crt 145 bucks US. and it is working now.. but having difficulty tweeking the calibration in...(alignment)

Mar 27, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Blue screen.....


You have the classic sign of the failed Sony CRT. This was a VERY common issue with tese series of TV's. Just replacing the blue CRT alone isn't easy as they are no longer available and have to be pulled to be rebuilt. If you do that I highly suggest replacing the green and the red as they will follow. Maybe not now but trust me they will. You are looking over 1000.00 in repairs.

Jun 06, 2007 | Sony KP-51WS500 51" Rear Projection...

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